Date:09/01/1985
Subject:(1) Acid Rain
Author:Haagenson, P.L., A.L. Lazrus, Y-H. Kuo, G.A. Caldwell
Title:A relationship between acid precipitation and three-dimensional transport associated with synoptic-scale cyclones.
Abstract:Field data collected during APEX (Acid Precipitation Experiment) are used in combination with an isentropic trajectory model to analyze the relationship between
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Record ID:0/1


Date:11/01/1987
Subject:(1) Acid Rain
Author:Parungo, F., C. Nagamoto, R. Mandel
Title:A study of the mechanism of acid rain formation
Abstract:Samples of rain, snow cloud water, aerosols and soil were collected in Colorado to study the mechanisms of acid rain formation. Chemical compositions of various types of samples were analyzed to investigate the stepwise incorporation of impurities into precipitaiton. Local soil was generally alkaline; atmospheric aerosls, which are mixtures of stirred-up
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Record ID:0/2


Date:08/01/1987
Subject:(1) Acid Rain
Author:Seilkop, S.K., P.L. Finkelstein
Title:Acid precipitation patterns and trends in eastern North America, 1980-84
Abstract:Using data compiled from seven nationwide precipitation chemistry networks in the United States and Canada, the spatial distribution of hydrogen, sulfate and nitrate ions in North America is discussed. Geographic patterns of concentration and deposition
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Record ID:0/3


Date:02/15/1986
Subject:(1) Acid Rain
Author:Walcek, C.J., G.R. Taylor
Title:A theortical method for computing vertical distributions of acidity and sulfate production within cumulus clouds
Abstract:An aqueous chemistry model has been combined with an entraining cumulus cloud model to predict vertical distriubtions of pH (=-log_10(H^+)) within a cloud. The model predicts vertical variations of temperature, pressure, entrainment and liquid water content. The
Location:Acid Rain Box 0
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Record ID:0/4


Date:5/1/1984
Subject:(1) Acid Rain
Author:Barrie, L.A., J.M. Hales
Title:The spatial distributions of precipitation acidity and major ion wet deposition in North America during 1980.
Abstract:Observations are presented of the mean annual concentration and deposition of H+, SO4, NO3 and HN+4 ions in precipitation in North America during 1980, the first year that a reasonably compatible merger of US and Canadian federal network data was possible.
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Record ID:0/5


Date:2/20/1983
Subject:(1) Acid Rain
Author:Charlson, R.J., R. Vong, D.A. Hegg
Title:The sources of sulfate in precipitation, II, Sensitivities to chemical variables.
Abstract:A convective cloud model used to examine the relative concentration to sulfate in rain of nucleation scavenging below-cloud scavenging and in cloud production of sulfates shows that considerable variation may be expected due to change in the amount of input sulfur species.
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Record ID:0/6


Date:11/1/1982
Subject:(1) Acid Rain
Author:Hobbs, P.V., D.A. Hegg
Title:Sulfate and nitrate mass distributions in the near fields of some coal-fired power plants.
Abstract:Measurements of the mass distributions of sulfate and nitrate particles in plumes out to distances of ~56 km from the stacks of three coal-fired electric power plants, situated in the arid southwest of the U.S. show that most of the mass was not contained in the optically-critical size range of 0.3-1.5 um diameter.
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Record ID:0/7


Date:8/10/1984
Subject:(1) Acid Rain
Author:Hegg, D.A., S.A. Rutledge, P.V. Hobbs
Title:A numerical model for suflur chemistry in warm-frontal rainbands.
Abstract:A two-dimensional kinematic model of warm-frontal precipitation has been employed to model the sulfur chemistry of warm-frontal rainbands.
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Record ID:0/8


Date:11/1/1982
Subject:(1) Acid Rain
Author:Hegg, D.A., P.V. Hobbs
Title:Measurement of sulfate production in natural clouds.
Abstract:Measurements are presented on sulfate production in wave clouds. Twenty-eight cases are analyzed and an empirical rate equation for sulfate production in these clouds is derived.
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Record ID:0/9


Date:2/20/1983
Subject:(1) Acid Rain
Author:Hegg, D.A.
Title:The sources of sulfate in precipitation. I: Parameterization scheme and physical sensitivities.
Abstract:The parameterization scheme for sulfate washout derived by Scott (1978) is modified to allow estimation of the relative contributions of nucleation scavenging, in-solution production, and below-cloud scavenging to the sulfate content of precipitation.
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Record ID:0/10


Date:11/10/1984
Subject:(1) Acid Rain
Author:Argonne National, Brookhaven National, and Pacific Northwest Laboratories
Title:PRECP - The Department of Energy's Program on the nonlinearity of acid precipitation processes.
Abstract:No abstract.
Location:Acid Rain Box 0
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Record ID:0/11


Date:6/1/1985
Subject:(1) Acid Rain
Author:Chang, J.
Title:The NCAR Euleian Regional Acid Depostion Model.
Abstract:The NCAR Acid Deposition Modeling Project is an interdisciplinary project funded primarily by the U.S. EPA wiht co-funding by NSF. The principal objective of this project is to develop an Eulerian regional acid deposition model suitable for assessing source-receptor relationships.
Location:Acid Rain Box 0
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Record ID:0/12


Date:12/20/1987
Subject:(1) Acid Rain
Author:Chang, J.S., R.A. Brost, I.S.A. Isaksen, S. Madronich, P. Middleton, W.R. Stockwell, C.J. Walcek
Title:A three-dimensional eulerian acid depostion model: Physical Concepts and Formulation.
Abstract:We have developed a three-dimensional Eulerian regional acid depostion model to calculate episodic chemical concentrations and dry and wet deposition of acids in North America.
Location:Acid Rain Box 0
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Record ID:0/13


Date:4/1/1987
Subject:(1) Acid Rain
Author:Davidson, C.I., R.E. Honrath, J.B. Kadane, R.S. Tsay, P.A. Mayewski, W.B. Lyons, N.Z. Heidam
Title:The scavenging of atmospheric sulfate by arctic snow.
Abstract:Scavenging ratios for sulfate on the south-central Greenland Ice Sheet at Dye 3 have been computed for 1982-1984.
Location:Acid Rain Box 0
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Record ID:0/14


Date:11/1/1984
Subject:(1) Acid Rain
Author:R.C. Easter, J.M. Hales
Title:PLUVIUS: A generalized one-dimensional model of reactive pollutant behavior, including dry deposition, precipitation formation, and wet removal.
Abstract:This report is a second edition users' manual for the PLUVIUS reactive storm-model. The PLUVIUS code simulates the formation of storm systems of a variety of types, and characterizes the behavior of air pollutants as they flow through, react within, and are scavenged by the storms.
Location:Acid Rain box 0
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Record ID:0/15


Date:9/1/1982
Subject:(1) Acid Rain
Author:Kurtz, J. A.J.S. Rang, R.W. Kirk, W.H Chan
Title:Analysis of an acidic deposition episode at Dorset, Ontario.
Abstract:This study is concerned with an acidic deposition episode which occurred at Dorset in the ecologically sensitive Muskoka-Haliburton area of Ontario during the period August 28 to September 4, 1981 when 12% of the total 1981 precipitation fell.
Location:Acid Rain Box 0
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Record ID:0/16


Date:1/1/1986
Subject:(1) Acid Rain
Author:Lovett, G.M., W.A. Reiners
Title:Canopy structure and cloud water deposition in subalpine coniferous forests.
Abstract:The relationship between canopy structure and cloud water deposition in explored using a modelling approach applied to subalpine conifer forests in the northeastern US.
Location:Acid Raid Box 0
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Record ID:0/17


Date:10/21/1982
Subject:(1) Acid Rain
Author:Radke, L.F.
Title:Sulpher and sulfate from Mt. Erebus.
Abstract:Although sulfur is the most common element in the Antartic aerosol, no more than 6% of the sulphate can be of direct marine origin.
Location:Acid Rain 0
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Record ID:0/18


Date:11/1/1982
Subject:(1) Acid Rain
Author:Sarma, R.A.
Title:Distribution of acidity in convective clouds due to the aqueous phase oxidation of sulfur dioxide by ozone - A numerical simulation.
Abstract:The problem of acidic precipitation, commonly known as acid rain, has been recognized to have considerable impact on our fragile environment.
Location:Acid Rain
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Record ID:0/19


Date:1/1/1983
Subject:(1) Acid Rain
Author:Foley, G., G.R. Hilst
Title:An experimental determination of sources of acidic deposition in the eastern U.S. and southeastern Canada.
Abstract:This memorandum describes a conceptual approach to experimentally oriented research designed to answer pressing questions related to source attribution for acidic deposition in the eastern U.S. and southeastern Canada. The concepts presented here have evolved from a series of meetings and workshops involving scientific and administrative staff members from DOE, EPA, EPRI and NOAA and external scientists. The consensus among the participants is that this and alternative approaches should be subjected to an in-depth feasibility analysis.
Location:0
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Record ID:0/20


Date:10/1/1982
Subject:(1) Acid Rain
Author:Sarma, R.A.
Title:Numerical simulation of the effects of solid fuel rocket exhausts on cloud formation and development.
Abstract:Simulations have been made of exhaust clouds generated by a typical modern orbiter launching rocket in various environments, using a two-dimensional, time-dependent cloud model. Scavenging of hydrogen chloride gas, which is a major constituent of the exhaust of solid fuel rockets, by cloud and precipitation is parameterized. Effects of introducing small water drops into the exhaust cloud, due to deluge water breakup, are investigated. Comparisons of the exhaust cloud characteristics with corresponding natural clouds are made.
Location:0
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Record ID:0/21


Date:4/1/1987
Subject:(1) Acid Rain
Author:Singh, B., M. Nobert, P. Zwack
Title:Rainfall acidity as related to meteorological parameters in Northern Quebec.
Abstract:Summertime rainfalls during 1980 and 1981 were collected at several sites near La Grande, 200 km inland from the James Bay coast, in Northern Quebec. These were analyzed for pH and the concentrations of major ions.
Location:Acid Rain Box 0
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Record ID:0/22


Date:04/01/1990
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Alheit, R.R., A.I. Flossmann, H.R. Pruppacher
Title:A theoretical study of the wet remoal of atmospheric pollutants. Part IV: The uptake and redistribution of aerosol particles through nucleation and impaction scavenging by growing cloud drops and ice particles
Abstract:A theoretical model has been formulated which allows the study of the effects of an ice phase on the removal of atmospheric aerosol particles by nucleation
Location:2
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Record ID:0/23


Date:12/01/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Bowdle, D.A., P.V. Hobbs, L.F. Radke
Title:Particles in the lower troposphere over the High Plains of the U.S. Part III: Ice nuclei
Abstract:One hundred and fity-five ice nucleus (IN) spectra were measured from an aircraft at various locations over the High Plains of the United States during the springs and summers of 1975 and 1976
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Record ID:0/24


Date:07/01/1987
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Doty, K.G., R.G. Semonin
Title:Two case studies of the transport of dust storm aerosol and the potential for incorporation into precipitation
Abstract:To investigate the hypothesis that dust storms enhanced the calcium concentrations in precipitation the mid-1950s, two case studies were performed for major dust events in the southern Plains of the U.S. during March and April of 1981
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Record ID:0/25


Date:01/01/1987
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Fouquart, Y., B. Bonnel, M.C. Roquai, R. Santer, A. Cerf
Title:Observations of Saharan aerosols: results of ECLATS field experiment. Part I: Optical thickness and aerosol size distributions
Abstract:A series of ground-based and airborne observations of desert aerosols, the Eclats expeirment, was carried out in December, 1980 in the vicinity of
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Record ID:0/26


Date:01/01/1987
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Fouquart, Y., B. Bonnel, G. Brogniez, J.C. Buriez, L. Smith, J.J. Morcrette, A. Cerf
Title:Observations of Saharan aerosols: results of ECLATS field experiment. Part II: Broadband radiative characteristics of the aerosols and vertical radiative flux divergence
Abstract:The results presented in this paper are a part of those obtained during the ECLATS experiment
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Record ID:0/27


Date:04/01/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Frisbie, P.R., J.G. Hudson
Title:Urban cloud condensation nuclei spectral flux
Abstract:The cloud condensation nuclei (CCN) spectral flux and the condensation nuclei (CN) flux from and urban area are determined from in situ aircraft measurements at Denver, Colorado. The concentration differences between upwind and downwind cross section at several altitudes are used to estimate anthropogenic fluxes
Location:5
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Record ID:0/28


Date:01/01/1990
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Garratt, J.R., A.B. Pittock, K. Walsh
Title:Response of the atmospheric boundary layer and soil layer to a high altitude, dense aerosol cover
Abstract:The response of the atmospheric boundary layer to the appearance of a high-altitude smoke layer has been investigated in a mesoscale numerical model of the atmosphere. Emphasis is placed on the changes
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Record ID:0/29


Date:11/01/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Grover, S.N., H.R. Pruppacher
Title:The effect of verticl turbulent fluctuations in the atmosphere on the collection of aerosol particles by cloud drops
Abstract:A one-dimensional model of the effect of the vertical component of atmospheric turbulent fluctuations on the collection of micron-size aerosol particles by cloud drop and particles to turbulent accelerations and the hydrodynamics of air flowing around the drop
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Record ID:0/30


Date:00/00/1982
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hindman, E.E., L.F. Radke, M.W. Eltgroth
Title:Measurements of cloud nuclei in the effluents from launches of liquid-and-solid-fueled rockets
Abstract:Airborne measurements of cloud nuclei (CN), cloud condensation nuclei (CCN) and ice nuclei (IN) were made in the stabilized ground clouds resulting from the launches of a liquid-fueled ATLAS/Centaur rocket and a solid-fueled TITAN III rocket. Concentrations of CCN in both types of clouds were greater than
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Record ID:0/31


Date:12/01/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hobbs, P.V., D.A. Bowdle, L.F. Radke
Title:Particles in the lower troposphere over the High Plains of the United States. Part I: Size distributions, elemental composition and morphologies
Abstract:Airborne measurements are presented of particle size distributions obtained during spring and summer at various locations in the High Plains of the U.S. Two main paticle modes are apparent
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Record ID:0/32


Date:12/01/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hobbs, P.V., D.A. Bowdle, L.F. Radke
Title:Particles in the lower troposphere over the High Plains of the U.S. Part II: Cloud condensation nuclei
Abstract:Analyses are presented of 270 cloud condensation nucleus (CCN) spectra measured in the mixing layer over the High Plains of the United States during the springs and summers of 1975 and 1976
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Record ID:0/33


Date:10/01/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hogan, A.W.
Title:Aerosol measurements over and near the South Pacific Ocean and Ross Sea
Abstract:Aerosol concentrations were measured at sea along the international data line from 40 to 70 degrees S latitutde, and over pack ice, fast ice and unvegetated land surfaces in a 100 km circle immediately south of the Ross Sea. Surface aerosol concentrations measured were similar to oceanic concentrations measured in the Northern Hemisphere in westerly and northwesterly winds
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Record ID:0/34


Date:04/01/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hudson, J.G.
Title:Cloud condensation nuclei
Abstract:The state of knowledge of the particles upon which liquid droplets condense to form atmospheric water clouds is presented. The realization of cloud condensation nuclei (CCN) as a distinct aerosol subset originated the the cloud microphysical measurements and theoretical insights of Patrick Squires 40 years ago. He helped originate and continue the development of CCN counters
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Record ID:0/35


Date:00/00/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jeffrey, D.J.
Title:Quasi-stationary approximations for the size distribution of aerosols
Abstract:Quasi-stationary approximations for the size distribution of aerosols have been derived by Friedlander using similarity arguments and dimensional analysis. In this paper they are rederived using an approach based on explicit models of the coagulation mechanisms that determine the spectrum of particle sizes. The primary aim is to case Friedlander's work into a form suitable
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Record ID:0/36


Date:04/01/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Kaufman, Y, T. Nakajima
Title:Effects of Amazon smoke on cloud microphysics and albedo-analysis from satellite imagery
Abstract:NOAA Advanced Very High Resolution Radiometer images taken over the Brazilian Basin during the biomass burning season of 1987 are used to study the effect of smoke aerosol particles on the preoperties of low cumulus and sratocumulus clouds. The reflectance at a wavelength of 0.64 mu m and the drop size derived
Location:4
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Record ID:0/37


Date:00/00/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Leaitch, W.R., R.M. Hoff, S. Melnichuk, A.W. Hogan
Title:Some physical and chemical properties of the Arctic winter aerosol and northeastern Canada
Abstract:Measurements spanning much of the particle size spectrum were made on the surface aerosol arriving at Igloolik, Northwest Territories, Canada during later February 1982. Vertical profiles of aerosol particle concentration nuclei as well as the aerosol light
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Record ID:0/38


Date:06/01/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Lee, Y., A.A. Barnes, Jr.
Title:An analysis of particulate removal from the Titan rocket exhaust cloud
Abstract:A simplified analytical model is developed to analyze to removal of Al_2 O_3 particles from the Titan rocket exhaust cloud. The model incorporates the physical processes of deposition and impact collection and includes consideration of particle size spectra. Results of computations are in good
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Record ID:0/39


Date:07/01/1980
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Martin, J.J., P.K. Wang, H.R. Pruppacher
Title:A theoretical determination of the efficiency with which aerosol particles are collected by simple ice crystal plates
Abstract:Two theoretical models are presented which allow computing the efficiency with which aerosol particles of raius 0.001 is less than or equal to r is less than or equal to 10 mu m are collected by simple ice crystal plates of radius 50 is less than or equal to a_c is less than or equal to 640 mu m, in air of various relative humidity, temperature and pressure
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Record ID:0/40


Date:05/01/1980
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Mathai, C.V., A.W. Harrison, T. Mathews
Title:Aerosol particle size distribution (0.1--1.0 mu m) during the Chinooks of 19789 over Calgary, Canada
Abstract:During the winter months of 1979, an Active Scattering Aerosol Spectrometer was operated in downtown Calgary to measure the effect of chinooks on the aerosol particle size distribution in the range 0.1--1.0 mu m. An Aerovironment Acoustic Sounder provided information on the stability of the lower atmosphere and the onset of chinooks
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Record ID:0/41


Date:06/01/1986
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Maxey, M.R., S. Corrsin
Title:Gravitational settling of aerosol particles in randomly oriented cellular flow fields
Abstract:Statistics have been computed for the motion of small aerosol particles settling under gravity in an ensemble of randomly oriented, periodic, cellular flow fields that
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Record ID:0/42


Date:06/01/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Moorthy, K.K., P.R. Nair, B.V. Krishna
Title:Size distribution of coastal aerosols: Effects of local sources and sinks
Abstract:Using aerosol optical depth as a function of wavelength obtained from ground-based multiwavelength radiometer observations, columnar size-distribution function of aerosls have been derived. It has been found that the nature of the derived size-distribution function is strongly dependent on season. The derived
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Record ID:0/43


Date:02/01/1987
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Pinnick, R.G., S.G. Jennings, G. Fernandez
Title:Volatility of aerosols in the arid southwestern U.S.
Abstract:Volatile properties of aerosols at an isolated rural site in south-central New Mexico were measured with a light-scattering particle counter equipped with a temperature-controlled
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Record ID:0/44


Date:08/01/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Pitari, G.
Title:A numerical study of the possible perturbation of statospheric dynamics due to Pinatubo aerosols: Implications for tracer transport
Abstract:A spectral three-dimensional model of the stratosphere is used to investigate the possible dynamical effects in the stratosphere of the aerosol cloud formed after the eruption of Mt. Pinatubo. A non-negligible perturbation of the diabatic circulation
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Record ID:0/45


Date:00/00/1982
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., P.V. Hobbs, D.A. Hegg
Title:Aerosols and trace gases in the effluents produced by the launch of large liquid- and solid-fueld rockets
Abstract:Airborne measurements over periods of several hours were made in the effluents that collected in the boundary layer in the form of 'ground clouds' when an Atlas/Centaur and Titan III rocket were launched at night-time from Cape Canaveral, Florida
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Record ID:0/46


Date:07/01/1983
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Tanaka, M., T. Takamura, T. Nakajima
Title:Refractive index and size distribution of aerosols as estimated from light scattering measurements
Abstract:Angular distributions of the intensity of light scattered by airborne particles were measured for both parallel and perpendicularly polarized components
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Record ID:0/47


Date:07/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Tang, I.N., H.R. Munkelwitz
Title:Aerosol phase transformation and growth in the atmosphere
Abstract:The dynamic behavior of hygroscopic multi-component aerosols under the influence of changing relative humidity in the atmosphere is investigated. Laboratory measurements of the deliquescence humidity as a function of temperature between 5 degrees and 35 degrees C are carried out with single aerosol particles individually suspended
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Record ID:0/48


Date:08/01/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Toon, O.B., R.P. Turco, D. Westphas, R. Malone, M.S. Liu
Title:A multidimensional model for aerosols: Description of computational analogs
Abstract:The numerical algorithms which we use to simulate the advection, diffusion, sedimentation, coagulation and condensational growth of atmospheric aerosols are described. The model can be used in one, two or three spatical dimensions. We develop the
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Record ID:0/49


Date:08/01/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Westphal, D.L., O.B. Toon, T.N. Carlson
Title:A case study of mobilization and transport of Saharan dust
Abstract:Numerical models of the atmosphere and aerosols are used to investigate mobilization and transport of Saharan dust over West Africa and the tropical Atlantic Ocean for 23-28 August 1974. We have found that mobilization during this period was related to the passage of a shallow easterly wave and was not initiated by
Location:2
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Record ID:0/50


Date:01/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Bohm, J.P.
Title:Theoretical collision effciencies for riming and aerosol impaction
Abstract:An approximate, analytical solution to the collisional problem of atmospheric particles is presented. It is based on the potential flow theory and takes into account the effects of the non-frictional flow outside the boundary layer.
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Record ID:0/51


Date:02/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ikegami, M., K. Okada, Y. Zaizen and Y. Makino
Title:Sea-salt particles in the upper tropical troposphere
Abstract:Aircraft observation of aerosol particles was carried out at an altitude of 11.2km over the tropical Pacific Ocean. Individual particles were collected on electron microscopic grids using an impactor, together with measurement of aerosol number concentrations using an optical particle counter.
Location:0
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Record ID:0/52


Date:02/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Novakov, T., C. Rivera-Carpio, J.E. Penner, C.F. Rogers
Title:The effect of anthropogenic sulfate aerosols on marine cloud droplet concentrations
Abstract:Nonseasalt sulfate (nss SO_4^2-) mass concentrations, cloud condensation nuclei (CNN) number concentrations, and cloud droplet concentrations in warm cumulus and stratocumulus clouds were simultaneously measured in situ in marine air masses on El Yunque peak in Puerto Rico.
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Record ID:0/53


Date:03/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Parungo, F., J.F. Boatman, H. Sievering, S.W. Wilkison, B.B. Hicks
Title:Trends in global marine cloudiness and anthropogenic sulfur
Abstract:A statistical analysis using published data on the global distribution of total cloud cover and cloud type amounts over the ocean, reduced from the Comprehensive Oean-Atmosphere Data Set (COADS), shows a significant positive
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Record ID:0/54


Date:02/20/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Parungo, F., B. Hicks
Title:Sulfate aerosol distributions and cloud variations during El Nino anomalies
Abstract:The effects of aerosols on cloud characteristics, albedo, rainfall amount, and overall climate changes were investigated by assessing the qualitative associations and quantitative correlations between the relevant variables
Location:0
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Record ID:0/55


Date:09/01/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ahr, M., A.I. Flossmann, H.R. Pruppacher
Title:On the effect of the chemical composition of atmospheric aerosol particles on nucleation scavenging and the formation of a cloud interstitial aerosol.
Abstract:Nucleation scavenging and the formation of a cloud intensification aerosol were theoretically studied in terms of the chemical composition of atmospheric aerosol particles.
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Record ID:0/56


Date:11/01/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ahr, M., A.I. Flossmann, H.R. Pruppacher
Title:A comparison between two formulations for nucleation scavenging
Abstract:Two formulations are compared which in literature commonly are used to describe the activation of aerosol particles to clouds drops:
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Record ID:0/57


Date:05/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Gebhart, K.A., W.C. Malm, D. Day
Title:Examination of the effects of sulfate acidity and relative humidity on light scattering at Shenandoah National Park.
Abstract:Sulfate aerosols in the eastern United States of America are known to be acidic, at least on an episodic basis.
Location:0
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Record ID:0/58


Date:03/20/1990
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hoppel, W.A., J.W. Fitzgerald, G.M. Frick, R.E. Larson E.J. Mack
Title:Aerosol size distributions and optical properties found in the marine boundary layer over the Atlantic Ocean.
Abstract:Measurements and analyses of the aerosol size distributions and optical properties found in the marine boundary layer (MBL) during the 1983 USNS Lynch cruise from Charleston, SC to Scotland via the Canary Islands are presented.
Location:0
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Record ID:0/59


Date:01/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jacobson, M.Z., R.P. Turco, E.J. Jensen, O.B. Toon
Title:Modeling coagulation among particles of different composition and size.
Abstract:We present a technique for simulating coagulation among any number of aerosol types, each with a different composition.
Location:0
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Record ID:0/60


Date:01/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Malm, W.C., J. Trijonis, J. Sisler, M. Pitchford, R.L. Dennis
Title:Assessing the effect of SO2 emission chages on visibility
Abstract:During the 1970s the effect of acid rain on the environment became a growing concern to scientists, public policy official, interest groups, and the general population.
Location:0
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Record ID:0/61


Date:01/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Sisler, J.F., W.C. Malm
Title:The relative importance of soluble aerosols to spatial and seasonal trends of impaired visibility in the United States
Abstract:In the U.S.A., soluble aerosol species are recognized as major contributors to impaired visibility.
Location:0
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Record ID:0/62


Date:01/00/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:DeMott, P.J., J.L. Stith, D.C. Rogers
Title:Studies of cloud-active aerosols and ice initiation in North Dakota cumuli
Abstract:None
Location:3
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Record ID:0/63


Date:00/00/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ghan, S.J., C.C. Chuang, J.E. Penner
Title:A parameterization of cloud droplet nucleation part I: single aerosol type
Abstract:A critical link between clouds and aerosols is the nucleation process, in which supersaturation activates some fraction of the aerosols to form cloud droplets.
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Record ID:0/64


Date:01/01/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Wu, B., D. Lu, Q. Fu
Title:Radiative effects of Pinatubo aerosols in the middle latitudes of the northern hemisphere
Abstract:Using scattering coefficient profiles of the Pinatubo aerosols derived from the observation of skylight polarization and lidar backscattering ratio in Beijing, the radiative effect of Pinatubo aerosols in middle latitudes is assessed by a delta-four-stream radiative transfer model. It is shown that the Pinatubo aerosols significantly change the radiation field.
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Record ID:0/65


Date:11/1/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Wurzler, S., P. Respondek, A.I. Flossmann, H.R. Pruppacher
Title:Simulation of the dynamics, microstructure and cloud chemistry of a participating and a non-predicting cloud by measns of a detailed 2-D cloud cloud
Abstract:The predictions of our 2-D cloud model with detailed microphysics for June 3, 1992 were compared with observations made on the same day during the field experiment CLEOPATRA
Location:Box 3
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Record ID:0/66


Date:1/1/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Pruppacher, H.R., R. Jaenicke
Title:The processing of water vapor and aerosols by atmospheric clouds, a global estimate
Abstract:recent data published in literature on global cloudiness and precipitation as well as data on updrafts in clouds and their liquid water contents allow us to estimate the
Location:Box 3
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Record ID:0/67


Date:10/01/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kerminen, Veli-Matti, A.S. Wexler
Title:Growth laws for atmospheric aerosol particles: An examination of the bimodality of the accumulation mode
Abstract:The growth of atmospheric aerosol particles was examined by first deriving growth laws and their corresponding time scales for all the important aerosol processes:
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Record ID:0/68


Date:12/01/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kreidenweis, S.M., D.Y. Harrington, J.J. Walton, J.E. Penner
Title:Preliminary results from a two-moment aerosol model applied to a three-dimensional model of the global sulfur cycle.
Abstract:The focus of this work is the development and application of a two-mode, two-moment model of sulfate aerosol dynamics that is coupled to the Lawrence Livermore National Laboratory (LLNL) three dimensional transport, transformation, and depositoin model, GRANTOUR.
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Record ID:0/69


Date:01/01/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Maenhaut, W., G. Ducastel, Leck, C., E.D. Nilsson, J. Heintzenberg
Title:Multi-elemental composition and sources of the high Arctic atmospheric aerosol during summer and autumn.
Abstract:During the International Arctic Ocean Expedition 1991 (IAOE-91), total (i.e., 3
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Record ID:0/70


Date:01/01/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Stettler, M., W. von Hoyningen-Huene
Title:On the relation between haze layer and air mass aerosol at an urban location -- case studies.
Abstract:Aerosol extinction spectra of the lowest part of the urban boundary layer at Leipzig measured by means of sunphotometers in the wavelength range between 0.36 um and 1.05 um are presented.
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Record ID:0/71


Date:01/01/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Wiedensohler, A., D.S. Covert, E. Swietlicki, P. Aalto, J. Heintzenberg, C. Leck
Title:Occurrence of an ultrafine particle mode less than 20 nm in diameter in the marine boundary layer during Arctic summer and autumn.
Abstract:The International Arctic Ocean Expedition 1991 (IAOE-91) provided a platform to study the occurrence and size distributions of ultrafine particles in the marine boundary layer (MBL) during Arctic summer and autumn.
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Record ID:0/72


Date:01/01/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Covert, D.S., A. Weidensohler, P. Aalto, J. Heintzenberg, P.H. McMurry, C. Leck
Title:Aerosol number size distributions from 3 to 500 nm diameter in the arctic marine boundary layer during summer and autumn.
Abstract:Aerosol physics measurements made onboard the Swedish icebreaker Oden in the late summer and early autumn of 1991 during the International Arctic Ocean Expedition (IAOE-91) have provided the first data on the size distribution of particles in the Arctic marine boundary layer (MBL) that cover both the number and mass modes of the size range from 3 to 500 nm diameter.
Location:0
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Record ID:0/73


Date:02/20/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jensen, T.L., S.M. Kreidenweis, Y. Kim, H. Sievering, A. Pszenny
Title:Aerosol distributions in the North Atlantic marine boundary layer during Atlantic Stratocumulus Transition Experiment/Marine Aerosol and Gas exchange.
Abstract:Marine boundary layer aerosol size distributions observed during June 1992 are described.
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Record ID:0/74


Date:1/1/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Bigg, E.K., J.L. Gras, D.J.C. Mossop
Title:Wind-produced submicron particles in the marine atmosphere.
Abstract:The mean relationship between wind speed and the concentrations of condensation nucleii (CN) and cloud condensation nucleii (CCN) has been found from shipboard measurements beteen latitudes 50-54 degrees S in the central south Indian Ocean through two winter months.
Location:3
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Record ID:0/75


Date:1/1/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Rosinski, J., C.T. Nagamoto, M.Y. Zhou
Title:Ice-forming nuclei over the East China Sea
Abstract:Ice-forming nucleus (IFN) population was determined for aerosol particles collected on filters ove the East China Sea. The mode of ice nucleation studied was condensation-followed-by-freezing; experiments were performed in a dynamic chamber at a constant temperature and with continuous cooling at
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Record ID:0/76


Date:05/01/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Wen, J.
Title:The effect of weak shear-induced motion on Brownian coagulation of aerosol particles.
Abstract:The coagulation rate of a dilute polydisperse aerosol dispersion of particles in considered for small Peclet number, which provides a measure of the ratio of the relative shear-induced motion to Brownian motion between two rigid spherical aerosol particles.
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Record ID:0/77


Date:01/01/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Wang, L.-P., M.R. Maxey
Title:Settling velocity and concentration distribution of heavy particles in homogeneous isotropic turbulence.
Abstract:The average settling velocity in homogeneous turbulence of a small rigid spherical particle, subject to a Stokes drag force, has been shown to differ from that in still fluid owing to a bias from the particle inertia (Maxey 1987).
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Record ID:0/78


Date:8/20/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ansmann, A., F. Wagner, U. Wandinger, I. Mattis, U. Gorsdorf, H.-D. Dier, J. Reichardt
Title:Pinatubo aerosol and stratospheric ozone reduction: Observations over Central Europe.
Abstract:Long-term observations of ozone profiles at Lindenberg and of profiles of the particle surface area concentration at Geesthacht are evaluated.
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Record ID:0/79


Date:1/1/1987
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
(26) Extra Tropical Cyclones
Author:Cloud and Aerosol Research Group
Title:Contributions from the Cloud and Aerosol Research Groups, Collection of Reprints XXXI
Abstract:Published articles from U. of Washington
Location:1
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Record ID:0/80


Date:3/20/1986
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Durkee, P.A., D.R. Jensen, E.E. Hindman, T.H. Vonder Haar
Title:The relationship between marine aerosol particles and satellite-detected radiance.
Abstract:An experiment is described which investigates the relationship between marine aerosol particles and satellite-detected radiance.
Location:1
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Record ID:0/81


Date:11/1/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Grover, S.N., H.R. Pruppacher
Title:The effect of vertical turbulent fluctuations in the atmosphere on the collection of aerosol particles by cloud drops.
Abstract:A one-dimensional model of the effect of the vertical component of atmospheric turbulent fluctuations on the collection of micron-size aerosol particles by cloud drops is presented.
Location:Citation Only, Full Text Not In Library
Record ID:0/82


Date:1/1/1978
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hegg, D.A., P.V. Hobbs
Title:Oxidation of sulfur dioxide in aqueous systems with particular reference to the atmosphere.
Abstract:Laboratory studies of the uncatalyzed liquid phase oxidation of SO_2 by oxygen are reviewed: significant discrepancies exist etween the derived pseudo first order rate coefficients.
Location:Citation Only, Full Text Not In Library
Record ID:0/83


Date:7/1/1977
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hindman II, E.E.
Title:Aerosol particle workshop in a coastal environment.
Abstract:An interagency workshop is described in which state of the art aerosol-sampling instruments were operated at Trinidad, California.
Location:Citation Only, Full Text Not In Library
Record ID:0/84


Date:9/1/1982
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hindman II, E.E., L.F. Radke, M.W. Eltgroth
Title:Measurements of cloud nuclei in the effluents from launches of liquid- and solid-fueled rockets.
Abstract:Airborne measurements of cloud nuclei and ice nuclei were made in the stabilized ground clouds resulting from the launches of a liquid-fueled ATLAS/Centaur rocket and a solid-fueled TITAN III rocket.
Location:Citation Only, Full Text Not In Library
Record ID:0/85


Date:4/20/1983
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hobbs, P.V., D.A. Hegg, L.F. Radke
Title:Resuspension of volcanic ash from Mt. St. Helens
Abstract:Measurements are presented of the size spectra of ash particles, previously deposited on the ground from the May 18, 1980 eruption of Mt. St. Helens, that were resuspended into the air in eastern Washington.
Location:Citation Only, Full Text Not In Library
Record ID:0/86


Date:4/1/1980
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hobbs, P.V., J.L. Stith, L.F. Radke
Title:Cloud-active nuclei from coal-fired electric power plants and their interactions with clouds.
Abstract:The concentrations of cloud condensation nuclei in the plumes from coal-fired electric power plants are generally about 2 to 5 times greater than in the ambient air unaffected by the plumes.
Location:Citation Only, Full Text Not In Library
Record ID:0/87


Date:12/20/1982
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hobbs, P.V., J.P. Tuell, D.A. Hegg, L.F. Radke, M.W. Eltgroth
Title:Particles and gases in the emissions from the 1980-1981 volcanic eruptions of Mt. St. Helens.
Abstract:Detailed airborne measurements of particles and gases were made in the volcanic effluents from Mt. St. Helens from March 1980 through August 1981. The results of these measurements are summarized and are used to deduce emission fluxes of particles and gases from the volcano.
Location:Citation Only, Full Text Not In Library
Record ID:0/88


Date:1/1/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hobbs, P.V., J.C. Yates
Title:Atmospheric aerosol measurements over North America and the North Atlantic Ocean.
Abstract:Measurements of atmospheric aerosol, obtained during thirty-nine transit flights within North America and across the North Atlantic Ocean, are presented and analyzed.
Location:Citation Only, Full Text Not In Library
Record ID:0/89


Date:2/1/1971
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Holle, R.L.
Title:Effects of cloud condensation nuclei due to fires and surface sources during south Florida droughts.
Abstract:Cloud condensation nuclei at cloud base strongly affect the droplet concentration at cloud base, which in turn influences the life history of a cloud.
Location:Citation Only, Full Text Not In Library
Record ID:0/90


Date:1/1/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Podzimek, J.
Title:Size spectra of bubbles in the foam patches and of sea salt nuclei over the surf zone.
Abstract:The size distribution of bubbles in the foam patches and the size distribution of giant chloride nuclei over the surf zone both follow the Nukiyama-Tanassava size distribution function.
Location:Citation Only, Full Text Not In Library
Record ID:0/91


Date:1/1/1982
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F.
Title:Contribution of Mt. Erebus to the antarctic sulfate budget.
Abstract:No abstract.
Location:1
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Record ID:0/92


Date:5/1/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., P.V. Hobbs
Title:Airborne observations of arctic aerosols. III: Origins and effects of airmasses.
Abstract:Multiple layers of haze encountered in the troposphere over the Beaufort and Chukchi Seas during April 1983 occurred in airmasses that originated in eastern USSR, eastern North America and Asia.
Location:Citation Only, Full Text Not In Library
Record ID:0/93


Date:01/01/1974
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jiusto, J.E., G.G. Lala, R.A. Glassbrook, T.D. Lee, E. Mandel
Title:Atmopsheric Particles - Final Report
Abstract:In remote parts of the globe, the air may contain a hundred or fewer small particles per cubic centimeter while in populated urban areas the concentration may sometimes reach a million per cubic centimeter. While the aestetic and biological implications of clean versus 'dirty' air can be appreciated, the influences on weather are not so apparent.
Location:1
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Record ID:0/94


Date:09/21/1977
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jiusto, J.E., G.G. Lala
Title:Aerosol signaure--The winter of 1977
Abstract:The winter of 1976-1977 in the U.S. was exceptionally cold and, in the Great Lakes region particularly, very snowy.
Location:1
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Record ID:0/95


Date:01/01/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jiusto, J.E., G.G. Lala
Title:CCN-Supersaturation spectra slopes (k).
Abstract:Theoretically the slope k of a CCN-supersaturation spectrum (N-cSk) should equal two-thirds of the slope of the total (soluble) aerosol size-distrubution.
Location:1
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Record ID:0/96


Date:09/01/1976
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jiusto, J.E.
Title:A review on 'Handbook on Aerosols.'
Abstract:No abstract.
Location:1
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Record ID:0/97


Date:11/01/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jaenicke, R.
Title:Comments on an article of Slinn.
Abstract:The discussion of the relationship between concentration fluctuations and residence times is certainly highly welcomed, because it can spread the news of how a simple analytical equation eases the often needed estimate of residence times for trace substances, gases and aerosols in size ranges.
Location:1
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Record ID:0/98


Date:03/04/1977
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hobbs, P.V., L.F. Radke, J.L. Stith
Title:Eruptions of the St. Augustine volcano: Airborne measurements and observations.
Abstract:Airborne measurements of the effluents from the St. Augustine volcano obtained during a 10-day period of activity showed that aerosol was ejected at the rate of about 10_5 kilograms per second during brief eruptions (3 to 8 minutes).
Location:1
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Record ID:0/99


Date:02/20/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hobbs, P.V., L.F. Radke, M.W. Eltgroth, D.A. Hegg
Title:Airborne studies of the emissions from the volcanic eruptions of Mt. St. Helens.
Abstract:The concentrations of particles less than 10 micrometers in diameter in the ash emissions from Mt. St. Helens have been more than 1000 times greater than those in the ambient air.
Location:1
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Record ID:0/100


Date:02/01/1983
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hall, F.F., Jr.
Title:Atmospheric infrared backscatter: Summary of present knowledge and recommendations for future work.
Abstract:Atmospheric aerosols determine by their size distributions and compositions the backscatter that infrared lidars measure. The global characteristics of the larger aerosols in the planetary boundary layer, free troposphere, and stratosphere are presented.
Location:1
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Record ID:0/101


Date:10/10/1977
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hobbs, P.V., D.A. Bowdle, L.F. Radke
Title:Airborne measurements of aerosol over the high plains of the United States.
Abstract:Lack of detailed information on sub-cloud aerosol has hindered realistic evaluations of the effects of seeding on clouds and precipitation.
Location:1
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Record ID:0/102


Date:01/01/1980
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hegg, D.A., P.V. Hobbs
Title:Comments on 'Inaccuracies encountered in sulfur determination by particle induced x-ray emission.'
Abstract:No abstract.
Location:1
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Record ID:0/103


Date:8/1/1987
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hanel, G.
Title:The role of aerosol properties during the condensational stage of cloud: A reinvestigation of numerics and microphysics.
Abstract:The aim of this paper is to study the condensational stage during the formation of cloud from the point of view of aerosol physics and physical chemistry.
Location:1
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Record ID:0/104


Date:3/1/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Parungo, F., C. Nagamoto, R. Schnell, I. Nolt, E. Nickerson, W. Caldwell
Title:Hawaii Mesoscale Energy and Climate Project (HAMEC). III. Atmospheric aerosol and cloud microphysics measurements.
Abstract:The Hawaiian islands, located in the Pacific Ocean 4000 km. west of the North American continent, offer a unique environment for the study of marine aerosols, sea-air interactions, local and long-range pollution, cloud formation, and precipition.
Location:1
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Record ID:0/105


Date:9/1/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:O'Neill, N.T., A. Royer, P. Cote
Title:Relations between optically derived aerosol parameters, humidity, and air-quality data in an urban atmosphere.
Abstract:This paper deals the diurnal and mensual correlations between ground-based atmospheric observations of columnar and surface optical parameters, standard surface humidity parameters, and surface air-quality data.
Location:1
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Record ID:0/106


Date:4/28/1968
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Nelson, R.T., N.R. Gokhale
Title:Concentration of giant particles below cloud bases.
Abstract:The upper size limit of natural aerosols and their concentration are important parameters in cloud and precipitation physics.
Location:1
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Record ID:0/107


Date:11/1/1970
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Mitchell, J.M., Jr.
Title:The effect of atmospheric aerosol on climate with special reference to surface temperature.
Abstract:A generalized model of the effect of thin atmospheric aerosol on the terrestrial heat budget is proposed, and applied to the problem of estimating the impact of aerosol on temperatures near the earth's surface.
Location:1
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Record ID:0/108


Date:1/1/1990
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Miller, N.L.
Title:A model for the determination of the scavenging rates of submicron aerosols by snow crystals.
Abstract:A theoretical model for the determination of the rate at which submicron aerosol particles are scavenged by snow crystals is presented.
Location:1
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Record ID:0/109


Date:6/1/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Lee, D.-I., T. Taniguchi, K. Kikuchi
Title:Chemical compositions of atmospheric aerosol particles in relation to the wind direction in winter season, Sapporo, Japan.
Abstract:In the winter of 1986 and 1987, measurements of atmospheric aerosol particles in relation to the wind direction were carried out at the summit of Mt. Teine (1,024 m a.s.l.) and in the campus of Hokkaido Univeristy in Sapporo City, Hokkaido, Japan.
Location:1
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Record ID:0/110


Date:9/1/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Laktionov, A.G.
Title:Theory of the condensation transformation of the atmospheric aerosol particle distrubution function.
Abstract:The relation between the equilibrium sizes of the drops formed on mixed atmospheric aerosol particles at a relative humidity less than one has been found theoretically.
Location:1
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Record ID:0/111


Date:12/1/1987
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kikuchi, K., Y. Yoshida
Title:Vertical distributions of the concentration of submicron aerosol particles near the ground surface.
Abstract:In order to investigate the behavior of aerosol particles near the ground surface, observations of vertical distributions of air temperatures, aerosol concentrations and wind velocities using two separate poles of 6 m. in height were carried out in the Second Experimental Farm of Hokkaido Univ. in Sapporo.
Location:1
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Record ID:0/112


Date:1/1/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jiusto, J.E., R.E. Ruskin, A. Gagin
Title:CCN comparisons of static diffusion chambers.
Abstract:Nine CCN counters of the static diffusion type were compared with one another and with continuous flow diffusion chambers.
Location:1
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Record ID:0/113


Date:7/19/1961
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Semonin, R.G., G.E. Stout
Title:Atmospheric particulates in precipitation physics.
Abstract:The temporal and spatial distribution of giant nuclei in the atmosphere over Illinois was investigated to determine whether their presence was directly related to precipitation processes occurring in that area.
Location:1
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Record ID:0/114


Date:6/1/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
(45) Microphysics - Ice Phase
Author:Sauter, D.P., P.K. Wang
Title:An experimental study of the scavenging of aerosol particles by natural snow crystals.
Abstract:An experimental study of the scavenging of aerosol particles of mean radius 0.75 um by natural snow crystals of a few millimeters is carried out.
Location:1
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Record ID:0/115


Date:6/1/1952
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ranz, W.E., J.B. Wong
Title:Impaction of dust and smoke particles on surface and body collectors.
Abstract:An investigation of the mechanisms of collection of dust and smoke particles was undertaken from the standpoint of a fundamental study of the impaction of aerosol particles on elementary collectors.
Location:1
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Record ID:0/116


Date:1/21/1982
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., K.T. Whitby
Title:Field comparisons of aerosol size distributions measured from the air and on the ground.
Abstract:Simultaneous measurements of particle size distributions obtained from the Univ. of Washington's B-23 research aircraft and the Univ. of Minnesota's instrumented van are presented.
Location:1
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Record ID:0/117


Date:1/1/1978
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., J.L. Stith, D.A. Hegg, P.V. Hobbs
Title:Airborne studies of particles and gases from forest fires.
Abstract:Airborne measurements have been made in the emissions from several prescribed (deliberate) forest fires in western Washington State.
Location:1
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Record ID:0/118


Date:1/1/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., J.H. Lyons, D.A. Hegg, P.V. Hobbs, I.H. Bailey
Title:Aircraft and surface observations of arctic haze near Barrow, Alaska, April 1983.
Abstract:The polar regions are known to be sinks for many atmospheric trace constituents. Recent studies have clearly established that episodes of anthropogenic pollution, which can cause hazes, are common at surface locations around the Arctic rim during winter.
Location:1
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Record ID:0/119


Date:5/25/1982
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., J.H. Lyons
Title:Airborne measurements of particles in the antarctic.
Abstract:During the early austral summer (November) of 1980 we had instruments aboard a LC-130R aircraft for the specific purpose of measuring particles and trace gases in the emissions from Mt. Erubus on Ross Island in the Antarctic.
Location:1
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Record ID:0/120


Date:8/21/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., M.D. King, P.V. Hobbs
Title:Preliminary measurements of the cloud single scattering albedo and interstitial aerosol from an aircraft.
Abstract:Theoretical calculations suggest that cloud absorbtion can be as large as 15-20% of the incident solar radiation for the more absorbing and thicker clouds.
Location:1
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Record ID:0/121


Date:8/1/1980
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., P.V. Hobbs, M.W. Eltgroth, D.A. Hegg
Title:Preliminary airborne observations of the Mt. St. Helens eruptions.
Abstract:No abstract.
Location:1
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Record ID:0/122


Date:1/1/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F.
Title:Airborne measurements of particle size distributions in noneruptive volcanic emissions.
Abstract:No abstract.
Location:1
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Record ID:0/123


Date:1/1/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F.
Title:Preliminary measurements of the size distribution of cloud interstitial aerosol.
Abstract:In clouds, particles reside either within the cloud elements or interstitially between them. Considering only cloud droplets (amongst several possible hydrometeors), the particles found within the droplets at the time of cloud formation are those cloud condensation nuclei that are active at supersaturations with respect to water of ~ 1
Location:1
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Record ID:0/124


Date:6/3/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Podzimek, J., J.J. Martin
Title:Deposition of particulars on charged planar scavengers.
Abstract:The potential impact of electric charges on the aerosol and cloud droplet deposition on ice crystals has been discussed several times in professional literature.
Location:1
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Record ID:0/125


Date:1/1/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Podzimek, J., H.D. Ayres, J. Mundel
Title:Isokinetic sampling problem
Abstract:Principles of the isokinetic sampling are explained in many books and articles on aerosol physics.
Location:1
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Record ID:0/126


Date:5/21/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Podzimek, J.
Title:The effective deposition of glaciogenic aerosols on supercooled water drops.
Abstract:A large number of investigations of in-cloud scavenging has been made during the past 25 years.
Location:1
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Record ID:0/127


Date:1/1/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Podzimek, J.
Title:A note on the Aitken nuclei and ion flow measurements in the lower stratosphere.
Abstract:In the light of new measurements of small aerosol particles in the lower stratosphere, some of the old investigations--which were only published in scientific journals--are reviewed and compared.
Location:1
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Record ID:0/128


Date:10/1/1977
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hobbs, P.V., L.F. Radke, J. Stith
Title:Cloud active nuclei from power plants.
Abstract:No abstract.
Location:1
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Record ID:0/129


Date:08/01/1949
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Yeomans, A.H., E.E. Rogers, W.H. Ball
Title:Deposition of Aerosol Particles.
Abstract:During the last few years condiserable research has been done at Beltsville, Md. on the subject of insecticidal aerosols. One phase of the studies has been the behavior of aerosol clouds in relation to deposition of the particles on insects and on various materials upon which insecticidal deposits are desired.
Location:1
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Record ID:0/130


Date:1/1/1990
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Xing, L., W.L. Chameides
Title:Model simulations of rainout and washout from a warm stratiform cloud.
Abstract:A one-dimensional, time-dependent cloud model with parameterized microphysics is used to investigate the processes which control the rainout and washout of soluble gases from warm, precipitating stratiform clouds.
Location:1
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Record ID:0/131


Date:1/1/1986
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Tsang, T.H., J.R. Brock
Title:Dynamics of Ostwald ripening with coalescence for aerosols with continuum diffusive growth laws.
Abstract:The last stage of growth of droplets in a first-order phase transition is called Ostwald ripening if condensation/evaporation becomes the dominant growth mechanism.
Location:0
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Record ID:0/132


Date:2/1/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Taniguchi, T., K. Kikuchi
Title:Measurements and analyses of aerosol particles in arctic Canada.
Abstract:The number concentrations of aerosol particles in five size ranges were measured for one month at Inuvik, Northwest Territories, Canada, using a particle counter.
Location:1
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Record ID:0/133


Date:1/1/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Smith, D.M., M.S. Akhter, J.A. Jassim, C.A. Sergides, W.F. Welch, A.R. Chughtai
Title:Studies of the structure and reactivity of soot.
Abstract:Vibrational spectroscopy, supplemented with other techniques, is providing a comprehensive picture of the structure and reactivity of soot.
Location:1
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Record ID:0/134


Date:11/1/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Slinn, W.G.N.
Title:Reply to R. Jaenicke
Abstract:No abstract.
Location:1
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Record ID:0/135


Date:1/1/1987
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Shaw, G.E.
Title:Aerosols as climate regulators: A climate-biosphere linkage?
Abstract:Of the particles in teh atmosphere, those around a few tenths of a um in size are noteworthy. Firstly, they are relatively immune to removal and therefore remain suspended for long periods, and secondly, they interact strongly with sunlight.
Location:3
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Record ID:0/136


Date:6/1/1980
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., P.V. Hobbs, M.W. Eltgroth
Title:Scavenging of aerosol particles by precipitation.
Abstract:Airborne measurements have been made of aerosol particle size distributions (>0.01 um) in aged air masses, in the plumes from several coal power plants and a large Kraft paper mill, and in the emissions from a volcano, before and after rain or snow showers.
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Record ID:0/137


Date:9/1/1982
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., R.V. Hobbs, D.A. Hegg
Title:Aerosols in trace gases in the effluents produced by the launch of large liquid- and solid-fueled rockets.
Abstract:Airborne measurements over periods of several hours were made in the effluents that collected in the boundary layer in the form of 'ground clouds' when an Atlas/Centaur and Tital III rocket were launched at night-time from Cape Canaveral, Florida.
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Record ID:0/138


Date:9/1/1976
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., P.V. Hobbs, J.E. Pinnons
Title:Observations of cloud condensation nuclei, sodium-containing particles, ice nuclei and the light-scattering coefficient near Barrow, Alaska.
Abstract:Measurements of the concentrations of cloud condensation nuclei, sodium-containing particles and ice nuclei, and the aerosol light-scattering coefficient were made near Barrow, Alaska, from 8-28 March 1970.
Location:4
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Record ID:0/139


Date:5/1/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., J.H. Lyons, D.A. Hegg, P.V. Hobbs
Title:Airborne observations of arctic aerosols. I: Characteristics of Arctic haze.
Abstract:In airborne measurements in the vicinity of Barrow, Alaska and over the Beaufort and Chukchi Seas visible hazes were found in layers typically hundereds of meters thick and extending 20-200 km horizontally.
Location:1
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Record ID:0/140


Date:4/1/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Schwartz S.E., L. Newman
Title:Measurements of sulfate production in natural clouds.
Abstract:Intro: We applaud Drs. Hegg and Hobbs for undertaking the measurements that are reported here...Nevertheless we must take issue with aspects of that interpretation.
Location:Citation Only, Full Text Not In Library
Record ID:0/141


Date:2/1/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Schwiesow, R.L., R.E. Cupp, V.E. Derr, E.W. Barrett, R.F. Pueschel
Title:Aerosol backscatter coefficient profiles measured at 10.6 um.
Abstract:Using an airborne lidar, we have measured atmospheric aerosol backscatter coefficients (differential backscatter cross section per unit volume) for 10.6 um wavelength laser radiation as a function of height to 5200 m for a number of meteorological conditions over the United States high plains.
Location:Citation Only, Full Text Not In Library
Record ID:0/142


Date:7/1/1977
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Stith, J.L., P.V. Hobbs, L.F. Radke
Title:Observations of a Nuee Ardente from the St. Augustine volcano.
Abstract:A series of aerial photographs were obtained of a nuee ardente produced by the Feb. 8, 1976 eruption of the St. Augustine volcano, Alaska.
Location:Citation Only, Full Text Not In Library
Record ID:0/143


Date:8/20/1978
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Stith, J.L., P.V. Hobbs, L.F. Radke
Title:Airborne particles and gas measurements in the emissions from six volcanoes.
Abstract:Airborne measurements of particle and gas emissions have been obtained in paroxysmal, intereruptive, posteruptive, and extraeruptive emissions from six volcanoes.
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Record ID:0/144


Date:1/1/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Stith, J.L., L.F. Radke, P.V. Hobbs
Title:Particle emissions and the production of ozone and nitrogen oxides from the burning of forest slash.
Abstract:Airborne measurements in the plumes from three prescribed burns of conifer slash showed the number concentration-size spectra to be bimodal with peaks at ~0.1 and ~0.5 um.
Location:Citation Only, Full Text Not In Library
Record ID:0/145


Date:12/1/1975
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Subbarao, M.C., P. Das
Title:Microphysical implications of precipitational formation in an adiabatic vertical current: Aerosol scavenging by enhanced nucleation.
Abstract:The time-dependent effect of precipitation formation and development on the dynamics and microphysics of adiabatic vertical motion has been studied with the help of one-dimensional numerical models.
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Record ID:0/146


Date:1/1/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Yalamov. Y.I., M.G. Markov, Y.R. Shchukin
Title:On the effect of thermo- and diffusophoresis in the scavenging of aerosol particles by evaporating moving drops.
Abstract:The dimensionless quantities (Sherwood number and the capture coefficient), characterizing the efficiency of the scavenging of aerosol particles of different sizes by moving evaporating (or growing) drops, are calculated.
Location:Citation Only, Full Text Not In Library
Record ID:0/147


Date:4/1/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Zamurs, J., G. Lala, J. Jiusto
Title:Factors affecting ice nucleus concentration measurements with a static vapor-diffusion chamber.
Abstract:This paper presents some findings and recommendations for obtaining more reliable information from ice nucleus concentration measurements with the membrane filter technique commonly in use. Variables related to chamber design, filter preparation and crystal counting are discussed.
Location:Citation Only, Full Text Not In Library
Record ID:0/148


Date:6/1/1965
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Brock, J.R., G.M. Hidy
Title:Collision-rate theory and the coagulation of free-molecule aeerosols.
Abstract:Collision-rate theory is used to describe the collision and coagulation of aerosols moving in the free molecule regime where the particle diameter is small compared to the mean free path of the suspending gas.
Location:2
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Record ID:0/149


Date:2/1/1968
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Brock, J.R.
Title:Some new modes of aerosol particle motion: Photodiffusiophoresis.
Abstract:No abstract.
Location:2
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Record ID:0/150


Date:1/1/1967
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Brock, J.R.
Title:The thermal force in the transition region.
Abstract:Theoretical and experimental results for the thermal force in the free molecule region are reviewed.
Location:2
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Record ID:0/151


Date:9/1/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Brock, J.R., L.F. Radke, J.H. Lyons, P.V. Hobbs
Title:Arctic hazes in summer over Greenland and the North American Arctic. I: Incidence and origins.
Abstract:Airborne observations during August 1985 over Greenland and the North American Arctic revealed that dense, discrete haze layers were common above 850 mb.
Location:2
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Record ID:0/152


Date:1/24/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Charlson, R.J., S.E. Schwartz, J.M. Hales, R.D. Cess, J.A. Coakley Jr., J.E. Hansen, D.J. Hofman
Title:Climate forcing by anthropogenic aerosols.
Abstract:Although long considered to be of marginal importance to global climate change, troposheric aerosol contributes substantially to radiative forcing, and anthropogenic suflate aerosol in particular has imposed a major perturbation to this forcing.
Location:2
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Record ID:0/153


Date:1/31/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Charlson, R.J., T.S. Bates
Title:The role of the sulfur cycle in cloud microphysics, cloud albedo, and climate.
Abstract:A need for observable mechanisms within the Gaia hypothesis provided the initial impetus for the paper by Charlson et al. (CLAW, 1987) which reviews at least three testable hypotheses regarding the interaction of the atmospheric part of the natural sulfur cycle with cloud microphysics and climate
Location:2
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Record ID:0/154


Date:8/1/1971
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Blifford Jr., I.H., Ed.
Title:Particulate Models: Their Validity and Application.
Abstract:No abstract.
Location:2
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Record ID:0/155


Date:1/1/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Charlson, R.J.
Title:Have the concentrations of tropospheric aerosol particles changed?
Abstract:Aerosol particle number and mass concentrations can be measured directly; however, historical measurements are not of sufficient duration or accuracy to demonstrate a hemispheric or global anthropogenic increase.
Location:2
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Record ID:0/156


Date:5/20/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hegg, D.A., L.F. Radke, P.V. Hobbs
Title:Reply
Abstract:Reply to Paluch and Lenschow, regarding the conditions that favor the maintenance of layers of enhanced concentrations of condensation nuclei in clouds.
Location:2
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Record ID:0/157


Date:11/1/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Miller, N.L., P.K. Wang
Title:A theoretical determination of the collection rates of aerosol particles by falling ice crystal plates and columns.
Abstract:A theoretical model for the removal of aerosol particles by falling columnar ice crystals is compared to the model results for the removal of aerosol particles by falling planar ice crystals.
Location:2
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Record ID:0/158


Date:6/20/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hegg, D.A., D.S. Covert, V.N. Kapustin
Title:Modeling a case of particle nucleation in the marine boundary layer.
Abstract:A diagnostic modeling study is performed on a hypothesized case of particle nucleation in the marine boundary layer.
Location:2
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Record ID:0/159


Date:1/1/1990
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Okada, K., T.Tanaka, H. Naruse, T. Yoshikawa
Title:Nucleation scavenging of submicrometer aerosol particles.
Abstract:The efficiency of nucleation scavenging of submicrometer aerosol particles with radii between 0.028-0.28 um was measured at Tsukuba, Japan, during the summer and winter of 1987 by using two thermal gradient diffusion chambers
Location:2
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Record ID:0/160


Date:5/20/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Paluch, I.R., D.H. Lenschow
Title:Comment on 'Measurements of Aitken Nuclei and Cloud Condensation Nuclei in the Marine Atmosphere and their Relation to the DMS-Cloud-Climate Hypothesis' by D.A. Hegg, L.F. Radke, and P.V. Hobbs
Abstract:No abstract.
Location:2
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Record ID:0/161


Date:4/1/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Penner, J.E., R.E. Dickinson, C.A. O'Neill
Title:Effects of biomass burning aerosol on global radiation budget.
Abstract:An analysis is made of the likely contribution of smoke particles from biomass burning to global radiation balance.
Location:2
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Record ID:0/162


Date:9/20/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Pilewskie, P., F.P.J. Valero
Title:Radiative effects of the smoke clouds from the Kuwait oil fires.
Abstract:The radiative effects of the smoke from the Kuwait oil fires were assessed by measuring downwelling and upwelling solar flux, as well as spectral solar extinction beneath, above, and within the smoke plume.
Location:2
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Record ID:0/163


Date:11/1/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Preining, O.
Title:Aerosol and climate -- An overview.
Abstract:No abstract.
Location:2
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Record ID:0/164


Date:1/1/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ramaswamy, V.
Title:Aerosol radiative forcing and model responses.
Abstract:The effects on the surface-atmosphere system due to aerosols are surveyed, with an emphasis on the radiative aspects of aerosols generated by noncatastrophic, nonepisodic events.
Location:2
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Record ID:0/165


Date:1/1/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., C.A. Brock, J.H. Lyons, P.V. Hobbs
Title:Aerosol and lidar measurements of hazes in mid-latitude and polar airmasses.
Abstract:Airborne lidar and in situ measurements of hazes were obtained in March 1986 during research flights from the East Coast of the United States to Baffin Island, Canada.
Location:2
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Record ID:0/166


Date:1/1/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., P.V. Hobbs
Title:Arctic hazes in summer over Greenland and the North American Arctic. III: A contribution from the natural burning of carbonaecous materials and pyrites.
Abstract:Airborne measurements of the emissions from natural fires, fueled by pyrites and organic materials, at the Smoking Hills in the Northwest Territories, show that they are a regionally significant source of SO2 and particles.
Location:2
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Record ID:0/167


Date:9/20/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Lowenthal, D.H., R.D. Borys, J.C. Chow, F. Rogers
Title:Evidence for long-range transport of aerosol from the Kuwait oil fires to Hawaii.
Abstract:To detect long-range transport of Kuwaiti oil-fire smoke, fine particle aerosol samples were collected on a weekly basis from May through July 1991 at the National Oceanic and Atmosphereic Administration Climate Monitoring and Diagnostic Laboratory's Mauna Loa Observatory at an altitude of 3.4 km in the free troposhere and at a sea level site in the marine boundary layer on the island of Oahu.
Location:2
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Record ID:0/168


Date:5/1/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Pitter, R.L., R. Zhang
Title:Numerical simulation of scavenging rates of ice crystals of various microphysical characteristics.
Abstract:Numerical models of trajectories of small aerosol spheres relative to oblate spheroids were used to determine ice crystal scavenging efficiencies.
Location:2
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Record ID:0/169


Date:1/1/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Rogers, C.F., J.G. Hudson, J. Hallett
Title:Cloud droplet nucleation by crude oil smoke and coagulated crude oil/wood smoke particles.
Abstract:Cloud condensation nuclei measurements are reported, taken on smoke aerosol particle samples generated from the combustion of small quantities of high- and low-sulfur crude oils.
Location:2
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Record ID:0/170


Date:9/20/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hudson, J.G., A.D. Clarke
Title:Aerosol and cloud condensation nuclei measurements in the Kuwait plume.
Abstract:Fast response in situ particle meausrements within the Kuwait oil smoke plume showed that about 70% of the particles are cloud condensation nuclei active at about 1% supersaturation.
Location:2
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Record ID:0/171


Date:2/1/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hudson, J.G.
Title:Aerosols, clouds, and climate.
Abstract:In order to obtain a climatology of CCN relevant to stratus clouds, shipboard measurements were made off the California coast.
Location:2
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Record ID:0/172


Date:1/1/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hudson, J.G.
Title:Observations of anthropogenic cloud condensation nuclei.
Abstract:Cloud condensation nuclei concentrations and spectral measurements obtained with the DRI instantaneous CCN spectrometer are presented.
Location:2
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Record ID:0/173


Date:9/1/1966
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Squires, P.
Title:An estimate of the anthropogenic production of cloud nuclei.
Abstract:The production of cloud nuclei by the city of Denver has been estimated by measuring the mean concentration in vertical columns upwind and downwind of the city.
Location:5
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Record ID:0/174


Date:8/17/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Schwartz, S.E.
Title:Sulphate aerosols and climate.
Abstract:Scientific Correspondence, No abstract.
Location:2
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Record ID:0/175


Date:12/1/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Schwartz, S.E.
Title:Are global cloud albedo and climate controlled by marine phytoplankton?
Abstract:The recent suggestion that dimethylsulphide emissions by marine phytoplankton control global albedo and mean temperature would also imply a strong climactic influence of man-made SO2.
Location:2
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Record ID:0/176


Date:4/1/1986
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Saltzman, E.S., D.L. Savoie, J.M. Prospero, R.G. Zika
Title:Methanesulfonic acid and non-sea-salt sulfate in Pacific air: Regional and seasonal variations.
Abstract:Concentrations of aerosol methanesulfonic acid and non-sea-salt (nss) sulfate were measured at six island stations in the Pacific Ocean to investigate regional and seasonal patterns of organosulfur emissions and the origin of nss sulfate over the Pacific.
Location:2
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Record ID:0/177


Date:10/1/1990
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Stowe, L.L., R. Hitzenberger, A. Deepak, Eds.
Title:Report of the Experts' Meeting on Space Observations of Tropospheric Aerosols and Complementary Measurements.
Abstract:No abstract.
Location:2
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Record ID:0/178


Date:6/20/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Twohy, C.H., A.D. Clarke, S.G. Warren, L.F. Radke, R.J. Charlson
Title:Light-absorbing material extracted from cloud droplets and its effect on cloud albedo.
Abstract:Using the counterflow virtual impactor, a new instrument for sampling cloud droplets, measurable levels of light-absorbing material were found to exist inside droplets in stratocumulus clouds off the coast of Southern California.
Location:2
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Record ID:0/179


Date:2/1/1987
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:von Hoyningen. W., A. Raabe
Title:Maritime and continental air mass differences in optical aerosol extinction data.
Abstract:During a cruise through the North Sea to the NE Atlantic, measurements of the aerosol optical thickness in the wavelength range 0.35-1.055 um were made with a spectral radiometer.
Location:2
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Record ID:0/180


Date:9/20/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Weiss, R.E., P.V. Hobbs
Title:Optical extinction properties of smoke from the Kuwait oil fires.
Abstract:Aircraft-based measurements of optical extinction, optical scattering, and particle mass condentrations were obtained in the smoke from the Kuwait oil fires during May and June 1991.
Location:2
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Record ID:0/181


Date:8/1/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Waggoner, A.P., L.F. Radke
Title:Enhanced cold cloud clearing by pulsed CO2 lasers.
Abstract:We report that clearing a channel in clouds consisting of ice crystals requires much lower laser energy input to the channel than that required to clear a channel in droplet clouds.
Location:2
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Record ID:0/182


Date:9/20/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Weiss, R.E., V.N. Kapustin, P.V. Hobbs
Title:Chain-aggregate aerosols in smoke from the Kuwait oil fires.
Abstract:Electrooptical scattering was used to detect aggregated particle chains in the smoke from the Kuwait oil fires.
Location:2
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Record ID:0/183


Date:1/1/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Bakanov, S.P.
Title:Thermophoresis in gases at small Knudsen numbers.
Abstract:No abstract.
Location:2
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Record ID:0/184


Date:1/1/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Mitra, S.K., J. Brinkmann, H.R. Pruppacher
Title:A wind tunnel study on the drop-to-particle conversion.
Abstract:An experimental study was carried out to investigate the processes which occur during drop-to-particle conversion in atmospheric clouds whose drops are evaporating.
Location:2
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Record ID:0/185


Date:1/1/1990
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Mitra, S.K., U. Barth, H.R. Pruppacher
Title:A laboratory study of the efficiency with which aerosol particles are scavenged by snow.
Abstract:An evaluation is made of presently available efficiencies with which aerosol particles are collected by snow crystals and aggregates of snow crystals.
Location:2
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Record ID:0/186


Date:1/1/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Waltrop, A., S.K. Mitra, A.I. Flossmann, H.R. Pruppacher
Title:On the scavenging of SO2 by cloud and rain drops: IV. A wind tunnel and theoretical study of the absorption of SO2 in the ppb(v) range by water drops in the presence of H2O2.
Abstract:An experimental study involving the Mainz vertical wind tunnel is described where the rate of SO2 removed from the air by freely suspended water drops was measured for SO2 concentrations in the gas phase ranging between 50 and 500 ppb, and for various H2)2 concentrations in the liquid phase.
Location:2
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Record ID:0/187


Date:5/1/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Clarke, A.D., R.J. Charlson, L.F. Radke
Title:Airborne observations of arctic aerosol, IV: Optical properties of arctic haze.
Abstract:Measurements of the horizontal and vertical distrubtions of aerosol light absorption and light scattering coefficients (at 550 mn) for the Arctic aerosol show a high degree of correlation.
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Record ID:0/188


Date:1/1/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kondrat'yev, K.Y., V.I. Binenko, O.P. Petrenchuk
Title:Radiative properties of clouds influenced by a city.
Abstract:Results obtained from Global Atmospheric Radiation Experiment (GAAREX) observations of the radiative properties of the cloud-and-aerosol layer over the city of Zaporzh'ye are discussed.
Location:Citation Only, Full Text Not In Library
Record ID:0/189


Date:1/1/1980
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Cullis, C.F., M.M. Hirschler
Title:Atmospheric sulfur: Natural and man-made sources.
Abstract:The principal processes by which sulfur compounds are emitted into the atmosphere are reviewed in light of the most recent data.
Location:Citation Only, Full Text Not In Library
Record ID:0/190


Date:8/1/1970
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Cobb, W.E., M.J. Wells
Title:The electrical conductivity of oceanic air and its correlation to global atmospheric pollution.
Abstract:The atmospheric electrical conductivity was recorded during the 1967 global expedition of the research vessel *Oceanographer*.
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Record ID:0/191


Date:1/1/1987
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Brink, H.M., S.E. Schwartz, P.H. Daum
Title:Efficient scavenging of aerosol sulfate by liquid-water clouds.
Abstract:Continuous aircraft measurements of aerosol sulfate concentration and light-scattering coefficient in cloud interstitial air and in associated clear air are reported for several locations in the eastern United States.
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Record ID:0/192


Date:1/1/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Barrie, L.A., R.M. Hoff
Title:Five years of air chemistry observations in the Canadian Arctic.
Abstract:Arctic air chemistry observations made in Canada between 1979 and 1984 are discussed.
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Record ID:0/193


Date:5/1/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Bailey, I.H., L.F. Radke, J.H. Lyons, P.V. Hobbs
Title:Airborne observations of Arctic aerosols. II: Giant particles.
Abstract:Airborne measurements made in the vicinity of Barrow, Alaska during early spring have revealed relatively large concentrations of giant (>2um diameter) particles in the air.
Location:1
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Record ID:0/194


Date:1/1/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Twomey, S.A., M. Piepgrass, T.L. Wolfe
Title:An assessment of the impact of pollution on global cloud albedo.
Abstract:Increased pollution leads to increasing particluate concentrations. Since some particles nucleate drop formation, cloud will contain, with increasing pollution, more drops per unit volume, and hence will tend to be optically thicker and more reflecting.
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Record ID:0/195


Date:7/1/1977
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Twomey, S.
Title:The influence of pollution on the shortwave albedo of clouds.
Abstract:By increasing droplet concentration and thereby the optical thickness of a cloud, pollution acts to increase the reflectance (albedo) of clouds; by increasing the absorption coefficient it acts to decrease the reflectance.
Location:Citation Only, Full Text Not In Library
Record ID:0/196


Date:4/16/1987
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Charlson, R.J., J.E. Lovelock, M.O. Andreae, S.G. Warren
Title:Oceanic phytoplankton, atmospheric sulpher, cloud albedo and climate.
Abstract:The major source of cloud-condensation nuclei over the oceans appears to be dimethylsulfide, which is produced by planktonic algae in sea water and oxidizes in the atmosphere to form a sulfate aerosol.
Location:3
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Record ID:0/197


Date:12/1/1969
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Charlson, R.J., M.J. Pilat
Title:Climate: The influence of aerosols.
Abstract:McCormick and Ludwig (1967) presented arguments to show that a buildup of atmospheric aerosols could have the effect of increasing the albedo, thereby cooling the earth.
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Record ID:0/198


Date:1/1/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Pruppacher, H.R., R. Jaenicke
Title:The processing of water vapor and aerosols by atmospheric clouds, a global estimate.
Abstract:Recent data published in literature on global cloudiness and precipitation as well as data on updrafts in clouds and their liquid water contents allow us to estimate the global turnover of water vapor and liquid water in the atmosphere.
Location:2
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Record ID:0/199


Date:9/20/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ackerman, S.A., S.K. Cox
Title:Shortwave radiative parameterization of large atmospheric aerosols: Dust and water clouds.
Abstract:A parameterization of the single scattering properties of an aerosol for a dust layer in the solar spectral region is presented.
Location:2
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Record ID:0/200


Date:6/1/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Wigley, T.M.L.
Title:Possible climate change due to SO2-derived cloud condensation nuclei.
Abstract:Letters -- No abstract.
Location:2
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Record ID:0/201


Date:1/27/1978
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Cadle, R.D., E.J. Mroz, P.V. Hobbs, L.F. Radke, J.L. Stith
Title:Particles in the eruption cloud from St. Augustine volcano.
Abstract:No abstract.
Location:2
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Record ID:0/202


Date:1/1/1966
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Derjaguin, B.V., Y.I. Yalamov, A.I. Storozhilova
Title:Diffusiophoresis of large aerosol particles.
Abstract:The theory of the motions of aerosol particles in the diffusing binary gas mixture assumes different forms in two limiting cases of small and large particles
Location:2
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Record ID:0/203


Date:3/18/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Fouquart, Y.
Title:Marine aerosols particles, CNNs, Clouds and Climate
Abstract:A great deal of attention has been given these last years on a possible powerful climate feedback involving cloud optical properties through systematic variations of the concentration of cloud condensation nuclei.
Location:2
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Record ID:0/204


Date:12/15/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jorge, H.G., J.A. Ogren
Title:Sensitivity of retrieved aerosol properties to assumptions in the inversion of spectral optical depths.
Abstract:The uncertainties of integral aerosol properties calculated using aerosol size distributions retrieved from multiwavelength observations of aerosol optical depth have been determined for a variety of typical atmospheric aerosol size distributions and refractive indices.
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Record ID:0/205


Date:12/30/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Gerber, H.E.
Title:Relative - humidity parameterization of the Navy Aerosol Model (NAM).
Abstract:An improved relative-humidity parameterization is described for the lognormal size distributions used in the Navy aerosol model.
Location:2
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Record ID:0/206


Date:8/10/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Henderson-Sellers, A., K. McGuffie
Title:Sulfate aerosols and climate.
Abstract:Correspondence - no abstract.
Location:2
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Record ID:0/207


Date:1/1/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hagen, D.E., M.B. Trueblood, J. Podzimek
Title:Combustion aerosol scavenging.
Abstract:As an aerosol ages, the larger particles may scavenge smaller particles in the system. Here we study the scavenging of combustion aerosols by larger particles with a relatively high critical supersaturation.
Location:2
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Record ID:0/208


Date:1/1/1980
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hansen, J.E., A.A. Lacis, P. Lee, W.-C. Wang
Title:Climatic effects of atmospheric aerosols.
Abstract:Intro: It is worthwhile to briefly consider how ideas about the effect of aerosols on climate have developed over the years.
Location:2
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Record ID:0/209


Date:1/1/1972
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hidy, G.M., J.R. Broch, Eds.
Title:International Reviews in Aerosol Physics and Chemsitry.
Abstract:No abstract.
Location:2
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Record ID:0/210


Date:1/20/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kleinman, L.I., P.H. Daum
Title:Vertical distribution of aerosol particles, water vapor, and insoluble trace gases in convectivey mixed air.
Abstract:Vertical distributions of submicrometer size aerosol particles, water vapor, and the insoluble gases were determined from measurements made during 12 aircraft flights conducted in June 1987 near Columbus, Ohio.
Location:2
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Record ID:0/211


Date:2/20/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Leaitch, W.R., G.A. Isaac, J.W. Strapp, C.M. Banic, H.A. Wiebe
Title:The relationship between cloud droplet number concentrations and anthropogenic pollution: Observations and climatic implications.
Abstract:Measurements of the concentrations of sulfate and nitrate in approximately 400 cloud water samples collected during four field studies carried out since 1982 are used with coincident measurements of cloud droplet number concentrations and liquid water content to examine the relationship between cloud droplet number concentrations and anthropogenic pollution.
Location:2
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Record ID:0/212


Date:12/1/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Lee, D.-I., T. Taniguchi, K. Kikuchi
Title:Chemical characteristics of atmospheric aerosol particles on a high mountain and an urban area in Sapporo, Japan.
Abstract:To determine characteristics of the source of air pollution in relation to the pressure patterns as well as the difference in total amount of the atmospheric aerosol particles by wind direction classified four quadrants, samplings of aerosol particles at the top of Mt. Teine
Location:2
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Record ID:0/213


Date:12/1/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Lee, D.-I., T. Taniguchi, K. Kikuchi
Title:On the atmopsheric aerosol particles in relation to the pressure patterns in winter season, Sapporo, Japan.
Abstract:To clarify the characteristics of the source of air pollution in relation to the pressure patterns in a winter season, sampling of atmospheric aerosol particles was carried out for each wind direction on top of Mt Teine and in the campus of Hokkaido University in Sapporo City, Hokkaido, Japan in the winter season of 1987.
Location:2
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Record ID:0/214


Date:11/20/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Lin, X., W.L. Chameides, C.S. Kiang, A.W. Stelson, H. Berresheim
Title:A model study of the formation of cloud condensation nuclei in remote marine areas.
Abstract:A theoretical study is presented of the mechanisms by which freshly nucleated sulfuric acid particles can be grown to the size of CCN in remote marine areas.
Location:2
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Record ID:0/215


Date:1/1/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Meszaros, E.
Title:On the possible role of the biosphere in the control of atmospheric clouds and precipitation.
Abstract:It is well documented that atmospheric sulfate particles constitute the major class of CCN. Under natural conditions, not disturbed by human activities, sulfate particles form from gaseous precursors released by the biosphere.
Location:2
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Record ID:0/216


Date:1/1/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Altshuller, A.P.
Title:Relationships involving fine particle mass, fine particle sulfur and ozone during episodic periods at sites in and around St. Louis, MO.
Abstract:The measurements during episodic periods in the St. Louis area in 1975 and 1976 of fine particle sulfur, fine particle mass and ozone are related.
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Record ID:0/217


Date:1/1/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Leaderer, B.P., R.L. Tanner, P.J. Lioy, J.A.J. Stolwijk
Title:Seasonal variations in light scattering in the New York region and their relation to sources.
Abstract:Light scattering data collected during two periods of intensive sampling in New York City (one during summer months and one during winter months) are discussed and analyzed for diurnal patterns, their relationship to pollutant emission sources, meteorological
Location:Citation Only, Full Text Not In Library
Record ID:0/218


Date:03/01/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Penner, J.E., et al.
Title:Quantifying and minimizing uncertainty of climate forcing by anthropogenic aerosols.
Abstract:The clear-sky climate forcing by anthropogenic aerosols has been shown to be of sufficient magnitude to mask the effects of anthropogenic greenhouse gases over large regions.
Location:0
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Record ID:0/219


Date:7/1/1990
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ackerman, A.S., O.B. Toon, P.V. Hobbs
Title:Interactions between aerosols and clouds: Numerical modeling of ship tracks.
Abstract:Marine boundary layer clouds play a significant role in determining global climate due to the large area of the Earth that they cover and because of their high albedo contrast relative to the ocean surface.
Location:0
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Record ID:0/220


Date:1/1/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Baker, M.B., J. Latham
Title:A quasi-analytic model of droplet and CCN lifetimes, optical and chemical characteristics of ice-free cumulus clouds.
Abstract:We have formulated a semi-analytic model of the microphysical and passive chemical development within entraining ice-free cumulus clouds growing in surroundings characteristic of Hawaii and Montana in summertime.
Location:0
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Record ID:0/221


Date:1/1/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Byrne, M.A., S.G. Jennings
Title:Scavenging of sub-micrometre aerosol particles by water drops.
Abstract:Experiments were carried out in order to measure the collective efficiencies with which small-sized water drops carrying electrical charge collect monodisperse aerosol particles of radii between 0.35 and 0.88 um.
Location:0
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Record ID:0/222


Date:01/01/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Qian, Y.
Title:Numerical simulations of the effects of aerosols in the atmospheric boundary layer on the climate.
Abstract:The climatic effects of the atmospheric boundary aerosols are studied by the use of a three-dimensional climate model.
Location:0
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Record ID:0/223


Date:05/01/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Karol, I.L., V.A. Frol'kis
Title:Stratospheric aerosols and greenhouse warming of the lower troposphere.
Abstract:The radiation effects of sulfate and soot aerosols in different layers of the stratosphere and the radiation perturbations in the yearly average global atmosphere, owing to the actual increase in greenhouse gas content of the atmopshere since 1900, were calculated.
Location:0
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Record ID:0/224


Date:5/1/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Qiu, J., K. Wang
Title:A study of the radiation -- Climate effect of aerosol over Beijing area.
Abstract:In this paper, the monthly averaged planetary albedo and equivalent blackbody temperture are calculated by using Gauss-Seidle numerical model to solve the equation of radiative transfer, based on measured aerosol data over Beijing area.
Location:0
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Record ID:0/225


Date:2/20/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hudson, J.G.
Title:Cloud condensation nuclei near marine cumulus.
Abstract:Extensive airborne measurement of CCN spectra and condensation nuclei below, in, between, and above the cumulus clouds near Hawaii point to important aerosol-cloud interactions.
Location:0
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Record ID:0/226


Date:12/01/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hudson, J.G.
Title:An instantaneous CCN spectrometer.
Abstract:A thermal gradient diffusion cloud chamber with a supersaturation field that increases along the path of the flow of sample is used as a CCN spectrometer.
Location:0
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Record ID:0/227


Date:01/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hoppel, W.A., G.M. Frick, J.W. Fitzgerald, B.J. Wattle
Title:A cloud chamber study of the effect that nonprecipitating water clouds have on the aerosol size distribution.
Abstract:When an air parcel in the atmosphere passes through a nonprecipitating cloud cycle, a subset of the aerosol population called CCN is activated and forms cloud droplets.
Location:0
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Record ID:0/228


Date:7/1/1990
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hegg, D.A., L.F. Radke, P.V. Hobbs
Title:Cloud-aerosol interactions in the marine atmosphere.
Abstract:The nucleation of new particles in the atmopshere from gas-phase precursors has been a topic of interest for some time.
Location:0
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Record ID:0/229


Date:01/01/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Galindo, I.
Title:Extinction of short wave solar radiation due to El Chichon stratospheric aerosol.
Abstract:Using satellite-derived insolation, a method is developed to assess total short-wave radiation depletion due to El Chichon stratospheric aerosols under cloudless conditions.
Location:0
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Record ID:0/230


Date:01/01/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Sokolik, I.N.
Title:Microphysical, optical, and radiation characteristics of arctic aerosol (Review).
Abstract:Data from the Russian and non-Russian literature on the properties of Arctic aerosol are discussed.
Location:0
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Record ID:0/231


Date:01/01/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Sloane, C.S.
Title:Forecasting visibility impairment: A test of regression estimates.
Abstract:The expected accuracy of visibility forecasts made from linear regression equations is examined.
Location:0
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Record ID:0/232


Date:01/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Robock, A., Y. Liu
Title:The volcanic signal in Goddard Institute for Space Studies three-dimensional model simulations.
Abstract:Transient calculations of the Goddard Institute for Space Studies general circulation model for the climatic signal of volcanic eruptions are analyzed.
Location:0
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Record ID:0/233


Date:1/1/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Patterson, D.E., R.B. Husar, W.E. Wilson, L.F. Smith
Title:Monte Carlo simulation of daily regional sulfur distribution: Comparison with SURE sulfate data and visual range observations during August 1977.
Abstract:The daily distribtution of sulfate concentration over the eastern United States during August 1977 is simulated by a Monte Carlo model using quantized emissions, positioned in accordance with the 1973 EPA SO2 emission inventory.
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Record ID:0/234


Date:01/01/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Mitra, S.K., A.U. Hannemann
Title:On the scavenging of SO2 by large and small rain drops: V. A wind tunnel and theoretical study of the desorption of SO2 from water drops containing S (IV).
Abstract:An experimental and theoretical study has been carried out to investigate the rate of desorption of SO2 from water drops falling at terminal velocity in air.
Location:0
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Record ID:0/235


Date:06/20/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Quinn, P.K., D.S. Covert, T.S. Bates, V.N. Kapustin, D.C. Ramsey-Bell, L.M. McInnes
Title:Dimethylsulfide/CCN/Climate ststem: Relevant size-resolved measurements of the chemical and physical properties of atmospheric aerosol particles.
Abstract:Atmospheric aerosol particles resulting from the oxidation of DMS may have an impact on global climate if they result in an enhancement in the CCN number concentration and shortwave cloud albedo.
Location:0
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Record ID:0/236


Date:06/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Parungo, F., Z. Li, X. Li, D. Yang, J. Harris
Title:Gobi dust storms and the Great Green Wall
Abstract:Vast belts of forest planted across the northern arid lands of China, called 'The Great Green Wall' are probably one of the most agressive weather modification programs in the 20th century.
Location:0
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Record ID:0/237


Date:01/01/1980
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Leaderer, B.P., J.A.J. Stolwijk
Title:Optical properties of the urban aerosol and their relation to chemical compositon.
Abstract:One of the most obvious and objectionable adverse effects of the air pollution is visibility degradation.
Location:0
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Record ID:0/238


Date:10/01/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Korotaev, G.K., S.M. Sakerin, A.M. Ignatov, L.L. Stowe, E.P. McClain
Title:Sun-photometer observations of aerosol ptical thickness over the North Atlantic from a Soviet research vellel for validation of satellite measurements.
Abstract:This paper deals with the problem of aerosol optical thickness retrieval using sun-photometer measurements.
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Record ID:0/239


Date:01/01/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
(29) Fogs
Author:Kondratyev, K.Y., V.G. Bondarenko, V.I. Khvorostyanov
Title:A three-dimensional numerical model of cloud formation and aerosol transport in an orographically inhomogeneous atmospheric boundary layer.
Abstract:A three-dimensional mesoscale numerical model of cloud formation, fog, and aerosol transport in an orographically inhomogeneous atmospheric boundary layer has been considered.
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Record ID:0/240


Date:08/20/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Nance, J.D., P.V. Hobbs, L.F. Radke
Title:Airborne measurements of gases and particles from an Alaskan wildfire.
Abstract:Airborne measurements of several gaseous and particulate chemical species were obtained in the emissions from a wildfire that burned in an old black spruce forest in Alaska during the summer of 1990.
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Record ID:0/241


Date:12/20/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ferek, R.J., D.A. Hegg
Title:Measurements of dimethyl sulfide and SO_2 during GTE/CITE 3
Abstract:As part of NASA's GTE/CITE 3 Sulfur Gas Intercomparison, we conducted measurements of DMS and SO_2 using two techniques well suited for sampling from an aircraft due to their simplicity of design.
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Record ID:0/242


Date:8/20/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hegg, D.A., R.J. Ferek, P.V. Hobbs
Title:Light scattering and CCN activity of sulfate aerosol measured over the Northeast Atlantic Ocean.
Abstract:Measurements on the realationship between sulfate mass and light scattering coefficient and sulfate cloud condensation nucleus efficiency over the Northeast Atlantic Ocean suggest lower values for these parameters than have been used in recent estimates of the climatic impact of sulfate aerosols.
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Record ID:0/243


Date:4/20/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hegg, D.A.
Title:Comment on 'A model study of the formation of cloud condensation nuclei in remote marine areas' by Lin et al.
Abstract:No abstract.
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Record ID:0/244


Date:02/20/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:King, M.D., L.F. Radke, P.V. Hobbs
Title:Optical properties of marine stratocumulus clouds modified by ships.
Abstract:The angular distribution of scattered radiation deep within a cloud layer was measured in marine stratocumulus clouds modified by the emissions from ships.
Location:0
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Record ID:0/245


Date:08/01/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Richardson, W.A., S.M. Kreidenweis, W.R. Cotton
Title:Cloud processing of aerosol using a hybrid LES/parcel model with solute-following microphysics.
Abstract:The importance of climate forcings due to direct and indirect aerosol influences have been theorized, observed, and modeled, and are accepted on a qualitative level.
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Record ID:0/246


Date:01/01/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Bigg, E.K.
Title:A mechanism for the formation of new particles in the atmosphere
Abstract:The sensitivity of binary nucleation rates of sulfuric acid-water vapours in the atmosphere to changes in relative humidity and temperature has led to the suggestion that the mixing processes which change either or both may be the cause of many nucleation events
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Record ID:0/247


Date:05/27/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Wolf, M.E., G.M. Hidy
Title:Aerosols and climate: Anthropogenic emissions and trends for 50 years
Abstract:A global inventory has been prepared for anthropogenic particulate emissions into the troposphere that covers the period 1990-2040.
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Record ID:0/248


Date:11/15/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ansmann, A., I. Mattis, U. Wandinger, F. Wagner, J. Reichardt, T. Deshler
Title:Evolution of the Pinatubo aerosol: Raman lidar observations of partical optical depth, effective radius, mass, and surface area over Central Europe at 53.4 degrees north.
Abstract:The Raman lidar technique has been applied to document the evolution and dissipation of the Pinatubo aerosol between 1991 and 1995.
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Record ID:0/249


Date:02/01/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kokhanovsky, A.A.
Title:Variability of the phase function of atmospheric aerosols at large scattering angles
Abstract:The variability of phase functions of submicrometer atmospheric aerosols was studied using Mie theory
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Record ID:0/250


Date:10/27/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Tabazadeh, A., E.J. Jensen, O.B. Toon
Title:A model description for cirrus cloud nucleation from homogeneous freezing of sulfate aerosols
Abstract:Classical nucleation theory for homogeneous freezing as well as recent laboratory data are used to formulate an algorithm for ice nucleation from an aqueous sulfuric acid solution droplet
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Record ID:0/251


Date:3/1/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Qiu, J.
Title:A method to determine atmospheric aerosol optical depth using total direct solar radiation.
Abstract:Based on sensitivity of total direct solar radiation detected by a pyrheliometer for aerosol physical-optical properties, a method is proposed to retrieve the 0.75 um aerosol optical depth from the radiation...
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Record ID:0/252


Date:3/1/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Flossmann, A.
Title:Interaction of aerosol particles and clouds.
Abstract:With the spectral scavenging and microphysics model DESCAM coupled to a 2D dynamic framework the transport and scavenging of aerosol particles by a medium-sized convective cloud are investigated.
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Record ID:0/253


Date:03/15/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Zhang, Y., S. Kreidenweis, G.R. Taylor
Title:The effects of clouds on aerosol and chemical species production and distribution. Part III: Aerosol model description and sensitivity analysis.
Abstract:A modeling study of the effects of clouds on the evolution and redistribution of aerosol particles in the troposphere is presented.
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Record ID:0/254


Date:1/1/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Elperin, T., N. Kleeorin, I. Rogachevskii
Title:Mechanism of formation of aerosol and gaseous inhomogeneities in the turbulent atmosphere.
Abstract:New mechanisms of formation of large-scale (more than 100-200 meters) and small scale (about 1 cm) inhomogeneities in spatial distribution of aerosols, droplets and gaseous mixtures are discussed.
Location:2
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Record ID:0/255


Date:7/14/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Elperin, T., N. Kleeorin, I. Rogachevskii
Title:Formation of inhomogeneities in two-phase low-Mach-number compressible turbulent fluid flows.
Abstract:A new phenomenon of turbulent thermal diffusion is discussed.
Location:2
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Record ID:0/256


Date:1/8/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Elperin, T., N. Kleeorin, I. Rogachevskii
Title:Turbulent thermal diffusion of small inertial particles
Abstract:A new physical effect, turbulent diffusion, is discussed.
Location:2
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Record ID:0/257


Date:12/30/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Elperin, T., N. Kleeorin, I. Rogachevskii
Title:Self-excitation of fluctuations of inertial particle concentration in turbulent fluid flow.
Abstract:A mechanism for intermittency in spatial distribution of small inertial particles advected by a turbulent incompressible fluid flow is discussed.
Location:2
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Record ID:0/258


Date:3/1/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Elperin, T., N. Kleeorin, I. Rogachevskii
Title:Turbulent barodiffusion, turbulent thermal diffusion, and large-scale instability in gases.
Abstract:Two effects, turbulent barodiffusion and turbulent thermal diffusion in gases, are discussed.
Location:2
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Record ID:0/259


Date:1/1/1983
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Shaw, G.E.
Title:Bio-controlled thermostasis involving the sulfur cycle.
Abstract:The Gaia hypothesis proposed by Lovelock and Margulis presumes the existence of an unspecified biological means of ameliorating climate that has operated since the emergence of life 3500 Myr ago: Recently it was suggested that the mechanism of thermostasis may involve biospheric cycling of atmospheric carbon dioxide.
Location:3
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Record ID:0/260


Date:1/1/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Harrington, D.Y., S.M. Kreidenweis
Title:Simulations of sulfate aerosol dynamics--1. Model description
Abstract:A previously reported two-moment, bimodal aerosol model is extended with new parameterizations developed from a sectional model.
Location:2
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Record ID:0/261


Date:1/1/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Harrington, D.Y., S.M. Kreidenweis
Title:Simulations of sulfate aerosol dynamics--Part II: Model intercomparison
Abstract:Comparisons between a two-moment, bimodal aerosol model and single-moment sectional models of varying resolution are presented.
Location:2
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Record ID:0/262


Date:5/1/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Shaw, G.E., R.L. Benner, A.D. Clarke, W. Cantrell
Title:On the regulation of climate: A sulfate particle feedback loop involving deep convection.
Abstract:We propose a climate stabilizing feedback loop involving biogenic sulfur.
Location:3
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Record ID:0/263


Date:5/1/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Rogers, D.C., P.J. DeMott, S.M. Kreidenweis, Y. Chen
Title:Measurements of ice nucleating aerosols during SUCCESS
Abstract:Instruments on NASA's DC-8 Airborne Lab. were used to obtain measurements of heterogeneous ice nucleating aerosols and CN in background and aircraft-affecting air during April-May 1996 SUCCESS project.
Location:2
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Record ID:0/264


Date:12/1/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Cantrell, W., G. Shaw, R. Benner, D. Veazey
Title:Evidence for sulfuric acid coated particles in the Arctic air mass.
Abstract:In this paper, we discuss results from an experiment conducted on natural aerosol in a clean Arctic environment during the spring.
Location:2
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Record ID:0/265


Date:1/1/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Shaw, G.E.
Title:Production of condensation nuclei in clean air by nucleating of H2SO4
Abstract:High concentrations of CN are occasionally observed in the polar regions or over the contral oceans in air that has been free of passage over continental surfaces for many days.
Location:2
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Record ID:0/266


Date:12/1/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Shaw, G.E.
Title:The Arctic haze phenomenon
Abstract:The arctic atmosphere is the repository for surprisingly high concentrations of pollutants throughout the winter months.
Location:2
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Record ID:0/267


Date:7/1/1986
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Shaw, G.E.
Title:Cloud concentration nuclei associated with arctic haze
Abstract:Measurements are reported of the CCN nucleus spectrum of Arctic haze from which is has been possible to deduce that a large fraction of the cloud active nuclei are soluble salts.
Location:2
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Record ID:0/268


Date:5/1/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Chen, Y., S.M. Kreidenweis, L.M. McInnes, D.C. Rogers, P.J. DeMott
Title:Single particle analysis of ice nucleating aerosols in the upper troposphere and lower stratosphere
Abstract:A newly developed instrument was deployed on the NASA DC-8 airborne lab. during the SUCCESS project to detect and collect heterogeneous ice nucleating particles in the upper troposphere and lower stratosphere.
Location:2
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Record ID:0/269


Date:6/20/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Cruz, C.N., S.N. Pandis
Title:The effect of organic coatings on the cloud condensation nuclei activation of inorganic atmospheric aerosol.
Abstract:Atmospheric aerosols have mixed chemical composition, with a variety of inorganic (e.g., sulfate, nitrate, ammonium, and sodium) and organic species often present in a single particle.
Location:2
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Record ID:0/270


Date:07/20/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kreidenweis, S.M., L.M. McInnes, F.J. Brechtel
Title:Observations of aerosol volatility and elemental composition at Macquarie Island during the First Aerosol Characterization Experiment (ACE 1)
Abstract:A combined thermal/electron microscopy technique was used to analyze marine aerosol samples from Macquarie Island, obtained during November and December 1995...
Location:0
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Record ID:0/271


Date:7/1/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Choularton, T.W., K.N. Bower, K.M. Beswick, M. Parkin, A. Kaye
Title:A study of the effects of cloud processing of aerosol on the microphysics of cloud
Abstract:A field experiment was conducted in which measurements were made of the microphysics of stratocumulus cloud upwind and downwind of a hill cap cloud using the UK Met. Office C-130 aircraft.
Location:2
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Record ID:0/272


Date:1/1/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:DeFelice, T.P., R.J. Cheng
Title:On the phenomenon of nuclei enhancement during the evaporative stage of a cloud
Abstract:The number of nuclei observed just after a cloud evaporates is classically equal to the sum of the number of interstitial nuclei plus the droplet number density.
Location:2
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Record ID:0/273


Date:8/20/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
(77) Arctic & Sea Ice
Author:Polissar, A.V., P.K. Hopke, W.C. Malm, J.F. Sisler
Title:Atmospheric aerosol over Alaska. 1. Spatial and seasonal variability
Abstract:Aerosol chemical composition data for seven National Park Service locations in Alaska for the period from 1986 to 1995 were analyzed.
Location:2
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Record ID:0/274


Date:8/20/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
(77) Arctic & Sea Ice
Author:Polissar, A.V., P.K. Hopke, P. Paatero, W.C. Malm, J.F. Sisler
Title:Atmospheric aerosol over Alaska. 2. Elemental composition and sources
Abstract:The fine particle (< 2.5 um) composition data from seven National Park Service locations in Alaska for the period from 1986-1995 was performed using a new type of factor analysis, PMF.
Location:2
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Record ID:0/275


Date:10/15/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Koziol, A.S., J. Pudykiewicz
Title:High-resolution modeling of size-resolved stratospheric aerosol
Abstract:In certain applications the, so-called, bin or sectional models are not adequate to model aerosol of cloud droplets.
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Record ID:0/276


Date:04/01/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Higurashi, A., T. Nakajima
Title:Development of a two-channel aerosol retreival algorithm on a global scale using NOAA AVHRR
Abstract:This study proposes a two-channel satellite remote sensing algorithm for retreiving the aerosol optical thickness and the Angstrom exponent, which is an index for the aerosol size distribution.
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Record ID:0/277


Date:05/01/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hatzianastassiou, N., W. Wobrock, A.I. Flossmann
Title:The effect of cloud-processing of aerosol particles on clouds and radiation
Abstract:A detailed spectral microphysics and scavenging model coupled to a dynamic framework describing a medium-sized convective cloud has been used to simulate the evolution of different clouds forming precipitation sized drops in a marine air mass.
Location:2
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Record ID:0/278


Date:01/01/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Herbert, F., U. Wacker
Title:Parameterization of the CCN-humidity spectrum in dependency on nucleation conditions and aerosol size distribution
Abstract:Atmospheric CCN-humidity spectra (describing the CCN-number concentration as a function of supersaturation) are derived as the integral over given particle size distributions
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Record ID:0/279


Date:06/01/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Iwasaki, T., H. Kitagawa
Title:A possible link of aerosol and cloud radiations to Asian summer monsoon and its implication in long-range numerical weather prediction
Abstract:The influence of aerosol and cloud radiations upon the Asian summer monsoon was studied by using the global numerical weather prediction (NWP) model at the Japan Meteorological Agency (JMA).
Location:1
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Record ID:0/280


Date:01/27/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Khvorostyanov, V.I., J.A. Curry
Title:A simple analytical model of aerosol properties with account for hygroscopic growth 1. Equilibrium size spectra and cloud condensation nuclei activity spectra
Abstract:A microphysical model of aerosol size spectra that includes hygroscopic growth is presented.
Location:2
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Record ID:0/281


Date:01/27/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Khvorostyanov, V.I., J.A. Curry
Title:A simple analytical model of aerosol properties with account for hygroscopic growth . 2. Scattering and absorption coefficients
Abstract:A new microphysical model of aerosol size spectra accounting for hygroscopic growth is used to calculate the aerosol scattering and absorption coefficients of solar and longwave radiation.
Location:2
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Record ID:0/282


Date:01/01/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Wang, P.K., H. Lin
Title:Comparison of model results of collection efficiency of aerosol particles by individual water droplets and ice crystals in a subsaturated atmosphere
Abstract:The aerosol collection efficiencies of water droplets and ice crystals are compared based on the concept of equivalent geometrical kernel K* which is the geometrical sweep-out volume per unit time by the collector.
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Record ID:0/283


Date:07/20/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
(66) Stratiform/Stratocu Clouds
Author:Zhang, Y., S.M. Kreidenweis, G. Feingold
Title:Stratocumulus processing of gases and cloud condensation nuclei 2. Chemistry sensitivity analysis
Abstract:A trajectory ensemble model (TEM) is used to investigate aqueous procssing of bases and cloud condensation nuclei (CCN) in the boundary layer.
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Record ID:0/284


Date:10/15/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
(37) Inadvertent Weather Modification
Author:Rosenfeld, D.
Title:TRMM observed first direct evdence of smoke from forest fires inhibiting rainfall
Abstract:Although it has been know that smoke from biomass buring suppresses warm rain processes, it was not known to what extent this occurs. The satellite observations of the Tropical-Rainfall-Measuring-Mission(TRMM), presented here, show that warm rain processes in conective tropical clouds infected by heavy smoke from forest fires are practically shut off.
Location:1
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Record ID:0/285


Date:11/11/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
(37) Inadvertent Weather Modification
Author:Rosenfeld, D., I.M. Lensky
Title:Satellite-based insightd into precipitatin formation processes in continental and maritime convective clouds
Abstract:Multispectral analyses of satellite images are used to calculate the evolution of the effective radius of convective cloud particles with temperature, and to infer from that information about precipitation forming processses in the clouds. Different microphysical processes are identified at different heights.
Location:1
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Record ID:0/286


Date:01/01/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Taylor, J.P., A.S. Ackerman
Title:A case-study of pronounced perturbations to cloud properties and boundary-layer dynamics due to aerosol emissons
Abstract:During june 1994 the UK Meteorlogical Office C-130 aircraft took part in Monterey Area Ship Tracks Experiments. On 13 June 1994 a merchant vessel, the Sanko Peace, was observed steaming below a layer of broken stratus clouds in a shallow (300 m deep) boundary layer.
Location:1
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Record ID:0/287


Date:11/27/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Cantrell, W., G. Shaw, R. Benner
Title:Cloud properties inferred from bimodal aerosol number distributions
Abstract:nonprecipitating clouds leave a distinctive fingerprint on the aerosol particles that cycle through them by segregating aerosol particles into two populations, tose which are incorporated into cloud droplets and those which are not. This leads to a bimodal or double-peaked character in the aerosol number distribution.
Location:1
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Record ID:0/288


Date:5/20/1993
Subject:(2) Aerosols & Aerosols (Scavenging)
(3) BLANK
Author:Hegg, D.A., R.J. Ferek, P.V. Hobbs
Title:Aerosol size distribution in the cloudy atmospheric boundary layer of the North Atlantic Ocean.
Abstract:Measurements are presented of the size distribution and volatility of particles in the cloudy atmospheric boundary layer of the N. Atlantic Ocean.
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Record ID:0/289


Date:09/201992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hobbs, P.V., Ed.
Title:Studies of smoke from the 1991 Kuwait Oil Fires
Abstract:Collection of articles by many different authors.
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Record ID:0/290


Date:01/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
(3) BLANK
Author:Song, N., D. Lamb
Title:Experimental investigations of ice in supercooled clouds. Part II: Scavenging of an insoluble aerosol
Abstract:An experimental study of aerosol scavenging by ice growing in supercooled clouds was conducted with a continuous flow cloud chamber. Techniques for detecting insoluble (latex) submicron particles in individual ice cystals were developed. The effects of microphysical parameters on the scavenging process were examined
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Record ID:0/291


Date:07/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:B. A. Tinsley, R. P. Rohrbaugh, M. Hei, K. V. Beard
Title:Effects of Image Charges on the Scavenging of Aerosol Particles by Cloud Droplets and on Droplet Charging and Possible Ice Nucleation Processes
Abstract:Previous calculations of the rate at which falling droplets in clouds collide with aerosols have led to the conclusion that except in thunderclouds any electrical charges on the aerosols or droplets have little effect on the the collision rate.
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Record ID:0/292


Date:06/15/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Fred J. Brechtel, S. M. Kreidenweis
Title:Predicting Particle Critical Supersaturation from Hygroscopic Growth Measurements in the Humidified TMDA. Part I: Theory and Sensitivity Studies
Abstract:A method is described to estimate the critical supersaturation of quasi-monodisperse, dry particles using measurements of hygroscopic growth at relative humidities below 100%.
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Record ID:0/293


Date:06/15/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Fred J. Brechtel, S. M. Kreidenweis
Title:Predicting Particle Critical Supersaturation from Hygroscopic Growth Measurements in the Humidified TMDA. Part II: Laboratory and Aerosol Studies
Abstract:Laboraotyr studies are used to test the method proposed in Part I for estimating the critical supersaturation of quasi-monodisperse, dry particles from measurements of hygroscopic growth at relative humidies below 100%.
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Record ID:0/294


Date:03/01/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
(44) Micrometeorology
Author:Boucher, O., U. Lohmann
Title:The sulfate-CCN-cloud albedo effect
Abstract:Aerosol particles, such as sulfate aerosols, can act as cloud condensation nuclei (CCN). The CCN spectrum and the water vapor supply in a cloud determine the cloud droplet number concentration (CDNC) and hence the shortwave optical properties of low-level liquid clouds. The capability of anthropogenic aerosols to increase cloud refectivity and thereby cool the Earth's surface is referred to as the indirect effect of anthropogenic aerosols.
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Record ID:0/295


Date:02/20/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Chuang, C.C., J.E. Penner, K.E. Taylor, A.S. Grossman, J.J. Walton
Title:An assessment of the radiative effects of anthropogenic sulfate
Abstract:We use a coupled climate/chemistry model with cloud nucleation processes parameterized in terms of local aerosol number, anthropogenic sulfate mass concentration, and updraft velocity to investigate both direct and indirect anthropogenic sulfate radative forcings.
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Record ID:0/296


Date:02/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Chuang, P.Y., D.R. Collins, H. Pawlowska, J.R. Snider, H.H. Jonsson, J.L. Brenguier, R.C. Flagan, J.H. Seinfeld
Title:CCN measurements during ACE-2 and their relationship to cloud microphysical properties
Abstract:Measurements of cloud condensation nuclei (CCN) concentration at 0.1% supersaturations were made onboard the CIRPAS Pelican over the northeast Atlantic during June and July 1997, in the vicinity of Tenerife, Spain
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Record ID:0/297


Date:08/27/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Cooke, W.F., J.J.N. Wilson
Title:A global black carbon aerosol model
Abstract:A global inventory has been constructed for emission sof black carbon from fossil fuel combustion and biomass burning.
Location:1
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Record ID:0/298


Date:01/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Dore, A.J., D.W. Johnson, S.R. Osborne, T.W. Choularton, K.N. Bower, M.O. Andreae, B.J. Bandy
Title:Evolution of boundary-layer aerosol particles due to in-cloud chemical reactions during the 2nd Lagrangian experiment of ACE-2
Abstract:The second Aerosol Characterisation Experiment (ACE-2) was aimed at investigating the physical, chemical and radiative properties of aerosol and their evolution in the North Atlantic region.
Location:1
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Record ID:0/299


Date:01/01/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Feichter, J., E. Kjellstrom, H. Rodhe, F. Dentener, J. Lelieveld, G.J. Roelofs
Title:Simulation of the tropospheric sulfur cycle in a global climate model
Abstract:Emission, transport, chemistry and rainout of the sulfur species DMS, SO_2 and sulfate are calculated on-line with the meteorology in a global atmospheric circulation model.
Location:3
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Record ID:0/300


Date:01/01/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Feichter, J., U. Lohmann, I. Schult
Title:The atmospheric sulfur cycle in ECHAM-4 and its impact on the shortwave radiation
Abstract:The atmospheric general circulation model ECHAM-4 is coupled to a chemistry model to calculated sulfate mass distribution and the radiative forcing due to sulfare aerosol particles.
Location:3
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Record ID:0/301


Date:01/01/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hallberg, A., K.J. Noone, J.A. Ogren
Title:Aerosol particles and clouds: which particles form cloud droplets?
Abstract:Measurements of cloud droplet residuals, which represent the cloud droplet nuclei (CDN) that formed cloud droplets, were made in ambient clouds with a 1-min time resolution.
Location:3
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Record ID:0/302


Date:10/27/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
(7) Atmospheric Chemistry
Author:Kreidenweis, S.M., Y. Zhang, G.R. Taylor
Title:The effects of clouds on aerosol and chemical species production and distribution. 2. Chemistry model description and sensitivity analysis
Abstract:A modeling study of the effects of cumulus convection on the transformation and redistribution of chemical species in the troposphere is described.
Location:3
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Record ID:0/303


Date:08/17/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Lohmann, U., J. Feichter, C.C. Chuang, J.E. Penner
Title:Using different aerosol species for activation of cloud droplet in a general circulation model
Abstract:None
Location:3
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Record ID:0/304


Date:05/27/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Lohmann, U., J. Feichter, J. Penner, R. Leaitch
Title:Indirect effect of sulfare and carbonaceous aerosols: A mechanistic treatment
Abstract:The indirect effect of anthropogenic aerosols, whereby aerosol particles change cloud optical properties, is the most uncertain component of climate forcing over the past 100 years.
Location:3
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Record ID:0/305


Date:05/15/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
(66) Stratiform/Stratocu Clouds
Author:Lowenthal, D.H., R.D. Borys
Title:Sources of microphysical variation in marine stratiform clouds in the North Atlantic
Abstract:In a study of marine stratiform clouds on Tenerife in the Canary Islands, droplet concentrations were highly correlated with clear-air equivalent cloud water concentrations of non-sea salt sulfate (NSS), nitrate, and pollution-derived trace elements.
Location:3
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Record ID:0/306


Date:07/01/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
(7) Atmospheric Chemistry
Author:Lowenthal, D.H., K.A. Rahn
Title:The relationship between secondary sulfate and primary regional signatures in northeastern aerosol and precipitation
Abstract:Regional apportionment of 3 years of aerosol and precipitaiton samples from Narragansett, RI, demonstrates that the relationship between secondary sulfate and primary signatures is functionally linear, at least for the main northeastern and midwestern source region.
Location:3
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Record ID:0/307


Date:01/01/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Penner, J.E., C.C. Chuang, K. Grant
Title:Climate forcing by carbonaceous and sulfate aerosols
Abstract:An atmospheric general circulation model is coupled to an atmospheric chemistry model to calculate the radiative forcing by anthropogenic sulfate and carbonaceous aerosols.
Location:3
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Record ID:0/308


Date:11/01/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Rahn, K.A., D.H. Lowenthal, J.M. Harris
Title:Long-range transport of pollution aerosol from Asia and the Arctic to Okushiri Island, Japan
Abstract:An unbroken 6-month series of daily aerosol samples from Okushiri Island, Japan, was analyzed for trace elements and sulfate.
Location:3
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Record ID:0/309


Date:01/01/1982
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Rahn, K.A.
Title:Elemental tracers for source rgions of Arctic pollution aerosol
Abstract:It is now known that much of the aerosol responsible for the Arctic haze of winter and spring is pollution-derived and is the produce of long-range transport from midlatitudes.
Location:3
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Record ID:0/310


Date:02/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Snider, J.R., J.L. Brenguier
Title:Cloud condensation nuclei and cloud droplet measurements during ACE-2
Abstract:During the 2nd Aerosol Characterization Experiment (ACE-2), relationships between stratocumulus cloud properties and aerosols were examined.
Location:3
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Record ID:0/311


Date:02/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Swietlicki, E., J. Zhou, D.S. Covert, K. Hameri, B. Busch, M. Vakeva, U. Dusek, O.H. Berg, A, Wiedensohler, P.Aalto, J. Makela, B.G. Martinsson, G. Papaspiropoulos, B. Mentes, G. Frank, F. Stratmann
Title:Hydroscopic properties of aerosol particles in the northeastern Atlantic during ACE-2
Abstract:Measurements of the hygroscopic properties of sub-micrometer atmospheric particles were performed with hygroscopie tandem differential mobility analysers (H-TDMA) at 5 sites in the subtropical north-eastern Atlantic...
Location:3
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Record ID:0/312


Date:10/27/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Taylor, G.R., S. Kreidenweis, Y. Zhang
Title:The effects of clouds on aerosol and chemical species production and distribution. 1. Cloud model formulation, mixing, and detrainment
Abstract:Clouds play an important role in tropospher chemical processes and in the modulation of global climate via transport of reactive species from lower levels of the troposphere to higher altitudes and by modification of...
Location:3
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Record ID:0/313


Date:01/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Yin, Y., Z. Levin, T.G. Reisin, S. Tzivion
Title:The effects of giant cloud condensation nuclei on the development of precipitation in convective clouds--A numerical study
Abstract:Numerical experiments are conducted to investigate the effects of giant cloud condensation nuclei (CCN) on the develpment of precipitation in mixed-phase convective clouds.
Location:3
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Record ID:0/314


Date:01/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:De Bock, L.A., P.E. Joos, K.J. Noone, R.A. Pockalny, R.E. Van Grieken
Title:Single particle analysis of aerosols, observed in the marine boundary layer during the monterey area ship tracks experiments (MAST), with respect to clud droplet formation
Abstract:The chemical composition of individual particles.o.2 um sampled during the MAST-xperiments were analysed by SEM-EDX, in combination with multivariate techniques.
Location:0
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Record ID:0/315


Date:04/27/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Lohmann, U., J. Feichter, C.C. Chuang, J. E. Penner
Title:Prediction of the number of cloud droplets in the ECHAM GCM
Abstract:In this paper a prognostic equation for the number of cloud droplets (CDNC) is introduced into the ECHAM general circulation model.
Location:3
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Record ID:0/316


Date:01/01/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Schroder, F., J. Strom
Title:Aircraft measurements of sub micrometer aerosol particles (>7nm) in the midlatitude free troposphere and tropoause region
Abstract:Submicron aerosol particles with detectable sizes of 7nm diameter and larger ere measured in the mid-latitude free troposphere up to the lower stratosphere over Western Europe in summer 1994.
Location:0
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Record ID:0/317


Date:06/27/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Lohmann, U., J. Feichter
Title:Impact of sulfate aerosols on albedo and lifetime of clouds: A sensitivity study with the ECHAM4 GCM
Abstract:A coupled sulfur chemistry-cloud microphysics scheme (COUPL) is used to study the impact of sulfate aerosols on cloud lifetime and albdo.
Location:0
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Record ID:0/318


Date:12/20/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:de Reus, M., J. Strom, M. Kulmala, L. Pirjola, J. Lelieveld, C. Schiller, M. Zoger
Title:Airbone aerosol measurements in the tropopause region and the dependence of new particle formation on preexisting particle number concentration
Abstract:Airbone mesurements of aerosol particles and trace gases were performed at midlatitudes in the Stratosphere-Sroposhere Experiment by Aircraft Measurements (STREAM-96) campaign during late spring inthe free troposphere and lower stratosphere.
Location:0
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Record ID:0/319


Date:07/20/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Clarke, A.D., J.L. Varner, F. Eisele, R.L. Mauldin, D. Tanner, M. Litchy
Title:Particle production in the remote marine atmosphere: Cloud outflow and subsidence during ACE 1
Abstract:During November and December 1995 the First Aerosol Characterization Experiment (ACE 1) Was undertaken as part of the International Gloal Atmospheric Chemistry (IGAC) Program.
Location:0
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Record ID:0/320


Date:10/27/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Chylek, P., G.B. Lesins, G.Videen, J.G.D. Wong, R.G. Pinnick, D. Ngo, J.D. Klett
Title:Black carbon and absorptin of solar radiation by clouds
Abstract:The exact solution of the scattered electronmagnetic field from a water droplet containing an arbitrarily located spherical black carbon parties is used to investigate the effect of black carbon on the absorption of solar radiation by clouds.
Location:0
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Record ID:0/321


Date:01/15/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Li, J., J.G.D. Wood, J.S. Dobbie, P.Chylek
Title:Parameterization of the optical properties of sulfate aerosols
Abstract:Parameterization of the shortwave optical properties of ammonium sulfate [(NH4)2SO4], ammonium bisulfate (NH4HSO4), and sulfuric acid (H2so4) are provided as functions of relative humidity for high and low spectral resolution band models.
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Record ID:0/322


Date:05/12/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ackerman, A.S., O.B. Toon, D.E. Stevens, A.J. Heymsfield, V. Ramanathan, E.J. Welton
Title:Reduction of tropical cloudiness by soot
Abstract:Measurements and models show that enhanced aerosol concentrations can augment cloud albedo not only by increasing total droplet cross-sectional area, but also by reducing precipitation and thereby increasing cloud water content and cloud coverage.
Location:1
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Record ID:0/323


Date:04/27/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Rotstayn, L.D.
Title:Indirect forcing by antropogenic aerosols: A global climate model calculation on the effective-radius and cloud-lifetime effects
Abstract:A global climate model (GCM) that includes a physically based cloud scheme is used to calculate the indirect radiative forcing due to the modification of liquid-water cloud properties by anthropogenic aerosols.
Location:1
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Record ID:0/324


Date:01/01/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Chuang, C.C., J.E. Penner
Title:Effects of anthropogenic sulfate on cloud drop nucleation and optical properties
Abstract:The characteristics of the cloud drop size distribution near cloud base are initially determined by the aerosol particles that serve as cloud condensation nuclei (CCN) and the updraft velocity.
Location:1
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Record ID:0/325


Date:01/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Huebert, B.J., R.J. Charlson
Title:Uncertainties in data on organic aerosols
Abstract:Organic aerosols are gaining increasing attention because of their importance in studies of radiative forcing of climate.
Location:3
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Record ID:0/326


Date:01/15/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Li, J., J.G.D. Wong, J.S. Dobbie, P. Chylek
Title:Parameterization of the optical properties of sulfate aerosols
Abstract:Parameterizations of the shortwave optical properties of ammonium sulfate [(NH4)2 SO4], ammonium bisulfate (NH4 HSO4), and sulfuric acid (H2 SO4) are provided as functions of relative humidty for high and low spectral resolution band models.
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Record ID:0/327


Date:11/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
(66) Stratiform/Stratocu Clouds
Author:Haywood, J., O. Boucher
Title:Estimates of the direct and indirect radiative forcing due to tropospheric aerosols: A review
Abstract:This paper reviews the many developments in estimates of the direct and indirect global annual mean radiative forcing due to present-day concentrations of anthropogenic troposhperic aerosols since Intergovernmental Panel on Climate Change [1996].
Location:3
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Record ID:0/328


Date:11/15/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Chen, Y., P.J. DeMott, S.M. Kreidenweis, D.C. Rogers, D. E. Sherman
Title:Ice formation by sulfate and sulfuric acid aerosol particles under upper-tropospheric conditions
Abstract:Ice formation in ammoniated sulfate and surlfuric acid aerosol particles under upper-trospheric conditions was studied using a continuous flow thermal diffusion chamber. This technique allowed for particle exposure to controlled temperatures an relative humidities for known residence times.
Location:3
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Record ID:0/329


Date:08/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Berner, A., B. Arends, D. Schell
Title:The main submicron mass mode of atmospheric aerosols: Evolution and relation to clouds. A case study
Abstract:Atmospheric aerosol was investigated at Kleiner feldberg Mountain in Germany be cascade impactors.
Location:1
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Record ID:0/330


Date:03/16/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kreidenweis, S.M., L.A. remer, R. Bruintjes, O. Dubovik
Title:Smoke aerosol from biomass buring in Mexico: Hygroscopic smoke optical model
Abstract:Th May 1998 transport of smoke for fires in Mexico and Centeral America into the United States is examined.
Location:1
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Record ID:0/331


Date:06/01/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Facchini, M.C., M. Mircea, S. Fuzzi, R.J. Charlson
Title:Comments on
Abstract:none
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Record ID:0/332


Date:01/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Gasso, S., D.A. Hegg, D.S. Covert, D. Collins, K.J. Noone, E. Ostrom, B. Schmid, P.B. Russell, J.M. Livingston, P.A. Durkee, H. Jonsson
Title:Influence of humidity on the aerosol scattering coefficient and its effect on the upwelling radiance during ACE-2
Abstract:Aerosol scattering coefficients (sigma_sp) have been measured over the ocean at different relative humidities (RH) as a function of altidude in the region
Location:0
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Record ID:0/333


Date:01/27/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hegg, D.A., H. Jonsson
Title:Aerosol number-to-volume relationship and relative humidity in the eastern atlantic
Abstract:Measurements acquired from the Office of Naval Research (ONR) Pelican research aircraft during the second Aerosol Characterization Experiment
Location:2
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Record ID:0/334


Date:10/27/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Hegg, D.A., P.V. Hobbs, S. Gasso, J.D. Nance, A.L. Rangno
Title:Aerosol measurements in the arctic relevant to direct and indirect radiative forcing
Abstract:Airborne measurements in the arctic in June permit calculation of some of the parameters needed to assess both the direct and indirect radiative forcing
Location:2
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Record ID:0/335


Date:10/01/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jylha, K.
Title:Relationship between the scavenging coefficient for pollutants in precipitation and the radar reflectivity factor. Part II: Applications
Abstract:The power-law dependences between the scavenging coefficient for polutants is precipitation and the radar reflectivity factor, theoretically derived in Part I, are discussed here from the point of view of applications.
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Record ID:0/336


Date:10/01/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jylha, K.
Title:Relationship between the scavenging coefficient for pollutants in precipitation and the radar reflectivity factor. Part I: Derivation
Abstract:The relationship between the scavenging coefficient for air pollutants in precipitation and the radar reflectivity factor is based on the fact that they are both functions of the hydrometeor size distribution.
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Record ID:0/337


Date:10/01/1982
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Thorne, P.G., G.M. Lovett, W.A. Reiners
Title:Experimental determination of droplet impaction on canopy components of balsam fir
Abstract:The capture efficiencies of balsam fire canopy components for monodisperse glycerin droplets were measured in a low-speed wind tunnel. Droplets were produced at sizes and wind speeds typical of cloudy conditions in a windy, subalpine environment. Capture
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Record ID:0/338


Date:00/00/1984
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Sitarski, M., M. Kerker
Title:Monte Carlo simulation of photophoresis of submicron aerosol particles
Abstract:New calculations of the photophoretic force area presented for a spherical particle tht may be coated with a volatile concentric spherical shell. The distribution of heat sources within the particle was obtained from an extension of the elctromagnetic
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Record ID:0/339


Date:06/01/1980
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Radke, L.F., P.V. Hobbs, M.W. Eltgroth
Title:Scavenging of aerosol particles by precipitation
Abstract:Airborne measurements have been made of aerosol particle size distributions (less than 0.01 mu m) in aged air masses, in the plumes from several coal power plants and a large Kraft paper mill, and in the emissions from a volcano, before and after rain or snow showers. These measurements have been used to deduce the precipitation scavenging collection efficiencies of aerosol particles ranging in size
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Record ID:0/340


Date:09/01/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Noonkester, V.R.
Title:Aerosol size spectra in a convective marine layer with stratus: Results of airborne measurements near San Nicolas Island, CA
Abstract:Airborne measurements of the aerosol size spectra (n(r) (r is radius) were made in a vertical extending northeastward 18 km from San Nicolas Island, California. Thin, patchy, stratus clouds were present in a deepending convective marine layer capped by a strong temperature inversion based at 147 m. These data show that the aerosol spectra shape changed
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Record ID:0/341


Date:04/01/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Harrison, L., H. Harrison
Title:The segreation of aerosols by cloud-nucleating activity. Part I: Design, construction and testing of a high-flux thermal diffusion cloud chember for mass separation
Abstract:We describe a thermal diffusion cloud chamber operated in series with an aerodynamic dicotomous separator that can segregate aerosol particles by their abilities to nucleate cloud droplets. The apparatus takes advantage of compensating gradients
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Record ID:0/342


Date:04/01/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Harrison, L.
Title:The segregation of aerosols by cloud-nucleating activity. Part II: Observation of an urban aerosol
Abstract:The submicron aerosol of metropolitan Seattle was segreated into CCN and non-CCN fractions by a high-flux thermal diffusion cloud chamber in series with a dichotomous deparator. Each segreated fraction of the five-hour daily sample was deposited on a filter and analyzed for mass, optical absorption, sulfate
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Record ID:0/343


Date:03/01/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Flossmann, A.I., W.D. Hall, H.R. Pruppacher
Title:A theoretical study of the west removal of atmospheric pollutants. Part I: The redistribution of aerosol particles captured through nucleation and impaction scavenging by growing cloud drops
Abstract:A theoretical model is formulated which allows the processes that control the wet deposition of atmospheric pollutants to be included in cloud dynamic models. The model considers the condensation
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Record ID:0/344


Date:00/00/1982
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Fitzgerald, J.W., W.A. Hoppel
Title:The size and scattering coefficient of urban aerosol particles at Washington, D.C. as a function of relative humidity
Abstract:The relative humidity dependence of the size and scattering coefficient of atmospheric aerosol particles was measured at Washington, D.C. during the period 26-31 July 1979. Particle growth curves (i.e., curves of the ratio r/r_0, of particle radius to particle dry radius, versus relative humidity) were calculated using
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Record ID:0/345


Date:10/01/1981
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Fitch, B.W., T.S. Cress
Title:Measurements of aerosol size distribution in the lower troposphere over Northern Europe
Abstract:Airborne measurements of particle size distributions were made at several altitudes within and above the mixing layer at sites near Ahlhorn and Meppen (West Germany), Rodby (Denmark), and Bruz (France). The distributions were measured over the range 0.2
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Record ID:0/346


Date:07/15/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Chuang, C.C., J.E. Penner, L.L. Edwards
Title:Nucleation scavenging of smoke particles and simulated drop size distributions over large biomass fires
Abstract:A prescribed burn experiment was conducted in Hardiman Township, Ontario, Canada in August 1987. The fire was of adequate intensity to force the formation of a cumulus cloud, and much of the smoke passed through
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Record ID:0/347


Date:07/15/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Roberts, G.C., M.O. Andreae, J. Zhou, P. Artaxo
Title:Cloud condensaton nuclei in the amazon Basin:
Abstract:Cloud condensation nuclei (CCN are linked to radiative forcing precipitation, and cloud structure; yet, their role in tropical climates remains largely unknown.
Location:1
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Record ID:0/348


Date:06/13/01
Subject:(2) Aerosols & Aerosols (Scavenging)
(11) Cirrus
Author:Twohy, C.H., C.F. Clement, B.W. Gandrud, A.J. Weinheimer, D. Baumgarder, W.H. Brune, G.W. Sachse, S.A. Vay
Title:Deep convection as a source of new particles in the midlatitude upper troposphere
Abstract:A case study of new particle formation in the region downwind of a mesoscale convective system stretching across much of the central United States is presented.
Location:1
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Record ID:0/349


Date:11/20/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Perry, K.D., P.V. Hobbs
Title:further evidence for particle nucleation in clear air adjacent to marine cumulus clouds
Abstract:Observational evidence is presented for the nucleation of condensation nuclei (CN) in the clear air adjacent toan islolated, marine, cumulus cloud.
Location:1
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Record ID:0/350


Date:10/15/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Vohl, O., S.K. Mitra, K. diehl, G. Huber, S.C. Wurzler, K.-L. Kratz, H.R. Pruppacher
Title:A wind tunnel study of turbulence effects of the scavenging of aerosol particles by water drops
Abstract:Laboratory experiments are described where the effects of turbulence on the impaction scavening of aerosol particles by water drops were investigated.
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Record ID:0/351


Date:01/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
(46) Microphysics - Warm Cloud
Author:Cloud and Aerosol Research Group
Title:Contributions from the cloud and aerosol research group
Abstract:
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Record ID:0/352


Date:01/01/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hameri, K., M. Vakeva, P.P. Aalto, M. Kulmala, E. Swietlicki, J. Zhou, W. Seidl, E. Becker, C.D. O'Dowd
Title:Hygroscopic and CCN propertis of aerosol particles in boreal forests
Abstract:The measurements of the hygroscopic and cloud condensation nuclei (CCN) properties of submicrometer atmospheric aerosol particles were performed with two tandem differential mobility analysers (TDMA) and a CCN counter at the Hyytiala forest field station in south-centralFinland during the BIOFOR campaign.
Location:3
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Record ID:0/353


Date:01/012001
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Mason, B.J.
Title:The role of sea-salt particles as cloud condensation over the remote oceans
Abstract:If recent measurements of the fluxes of sea-salt particles over the oceans as a function of wind speed are extrapolated to include the smallest particles detected over the the oceans and in laboratory experiments on bursting bubbles, the flux F of particles having radii between r0=0.1 um at 80% relative humidity may be represented by F=3U3.5(e-.2r0-e-.2r) m-2s-1, where U is the near-surface wind speed in m s-1.
Location:3
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Record ID:0/354


Date:12/01/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Lasher-Trapp, S.G., C.A. Knight, J.M. Straka
Title:Early radar echoes from ultragiant aerosol in a cumulus congestus: Modeling and observations
Abstract:The growth of ultragiant aerosol (UGA) in a Lagrangian framework within a simulated three-dimensional cloud is analyzed and compared with radar and aircraft observations of a cumulus congestus collected during the...
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Record ID:0/355


Date:02/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Garrett, T.J., P.V. Hobbs, L.F.Radke
Title:High Aitken Nucleus Concentrations above Cloud Tops in the Arctic
Abstract:Airborne measurements in the Arctic in spring show large increases in the concentrations of particles with diameters below about 0.1. mm just above those of stratus clouds when the water-vapor mixing ration is relatively high in these regions.
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Record ID:0/356


Date:02/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Coakley, J.A., C.D. Walsh
Title:Limits to the Aerosol Indirect Radiative Effect Derived from Observations of Ship Tracks
Abstract:One-kilometer Advanced Very igh Resolution Radiometer (AVHRR) observations of the effects of ships on low-level coulds off the west coast of the United States are used to derive limits for the degree to which clouds might be altered by increases in anthropogenic aerosols.
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Record ID:0/357


Date:02/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Han, Q., W.B. Rossow, J. Zeng, R. Welch
Title:Three Different Behaviors of Liquid Water Path of Water Clouds in Aerosol-Cloud Interactions
Abstract:Estimates of the indirect aerosol effect in GCM's assume that wither cloud liquid water path is constant or increases with increased droplet number concentration.
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Record ID:0/358


Date:3/15/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Delene, D.J., J.A. Ogren
Title:Variability of Aerosol Optical Properties at Four North American Surface Monitoring Sites
Abstract:Aerosol optical properties measured over several years at surface monitoring stations located at Bondville, Illinois (BND); Lamont, Oklahoma (SGP);Sable Island, Nova Scotia (WSA); and Barrow, Alaska (BRW), have been analyzed to determine the importance of the variability in aerosol optical properties to direct aerosol radiative forcing calculations.
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Record ID:0/359


Date:06/15/02
Subject:(2) Aerosols & Aerosols (Scavenging)
(60) Atmospheric Radiation
Author:Dufresne, J.L., Gautier, C., Ricchiazzi, P., Fouquart, Y.
Title:Longwave Scattering Effects of Mineral Aerosols
Abstract:Scattering in the longwave domain has been neglected in the first generation of radiative codes and is still neglected in most current GCMs.
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Record ID:0/360


Date:06/65
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Auer, A.H.,Jr.
Title:The Vertical Distribution Of Aitken Nuclei in the Vicinity of Fort Collins, Colorado
Abstract:Presentation is made of the vertical distributions of Aitken nuclei for the dates of 25 JUly, 29 July,30 July, and 31 July 1964
Location:3
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Record ID:0/361


Date:06/09/00
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Gorbunov, B., Baklanov, A., Kakutkina, N., Windsor, H.L., Toumi, R.
Title:Ice Nucleation on Soot Particles
Abstract:The ice-forming activity od soot particles of various sizes has been studied in a cloud chamber under temperatures ranging from -5 to -20 degrees celcius.
Location:3
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Record ID:0/362


Date:08/01/1960
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Soulage, G.
Title:Origins, Concentrations and Meteorological Importance of Atmospheric Freezing Nuclei
Abstract:This paper treats the properties of freezing nuclei which are directly important in meteorology.
Location:3
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Record ID:0/363


Date:12/65
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Twomey, S.
Title:Size Measurements of Natural Cloud Nuclei
Abstract:In air sampled in the Chesapeake Bay area of the eastern U.S. the natural cloud nuclei were found
Location:3
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Record ID:0/364


Date:07/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Martin, G.M., D.W. Johnson, A. Spice
Title:The measurement and parameterization of effective radius of droplets in warm statocumulus clouds
Abstract:Observations from the Meteorological Research Flight's Hercules C-130 aircraft of the microphysical characteristics of warm statocumulus clouds have been analyzed to investigate the variation of the effective radius of cloud droplets in layer clouds. Results from experiments in the eastern Pacific, South Atlantic, subtropical regions of the
Location:3
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Record ID:0/365


Date:02/28/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Lohmann, U.
Title:A Glaciation Indirect Aerosols Effect Caused by Soot Aerosols
Abstract:Anthropogenic aerosols can influence the climate directly by changing the optical properties and precipitation formation of water clouds
Location:3
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Record ID:0/366


Date:02/10/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Heintzenberg, J., Covert, D.C., Van Dingenen, R.
Title:Size distribution and Chemical Composition of Marine Aerosols:A Compilation and Reveiw
Abstract:Some 30 years of physical and chemical marine aerosol data are reviewed to derive global-size distribution parameters
Location:3
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Record ID:0/367


Date:01/24/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Charleson, R.J., Schwartz, S.E., Hales, J.M, Cess, R.D., Coakley, J.A., Hansen, J.E., Hofmann, D.J.
Title:Climate Forcing by Anthropogenic Aerosols
Abstract:Although long consideration to be of marginal importance to global climate change, tropospheric aerosol contributes
Location:3
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Record ID:0/368


Date:08/20/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ayers, G.P., Bently, S.T., Ivey, J.P., Forgan, B.W.
Title:Dimethylsufide in Marine Air at Cape Grim, 4^o S
Abstract:Atmospheric dimethylsulfide measurements made in marine air at Cape Grim, Tansania have been combined
Location:3
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Record ID:0/369


Date:09/25/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
(53) Planetary/Atmospheric Boundary
(66) Stratiform/Stratocu Clouds
Author:Yum, S.S., Hudson, J.G.
Title:Maritime/Continental Microphysical Contrast in Stratus
Abstract:More than 15 h of in situ cloud measurements in Atlantic and Pacific stratus showed cloud droplet concentrations
Location:3
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Record ID:0/370


Date:04/27/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hartley, W.S., Hobbs, P.V., Ross, J.L., Russell, P.B., Livingston, J.M.
Title:Properties of Aerosols Aloft Relevant to Direct Radiative Forcing off the Mid-Atlantic Coast of the United States
Abstract:Comparisons are presented of ambient aerosol optical depths (AOD0 derived from airborne in situ measurements of aerosol properties
Location:3
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Record ID:0/371


Date:04/27/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Dye, J.E., Ridley, B.A., Skamarock, W., Barth, M., Venticinque, M., Defer, E., Blanchet, P., Thery, C., Laroche, P., Baumann, K., Hubler, G. Parrish, D.D., Ryerson, T., Trainer, M., Frost, G., Holloway, J.S., Matejika, T., Bartels, D., Fehsenfeld , F.C., Tuck, A., Ruteledge, S.A., Lang, T., Stith, J., Zerr, R.
Title:An Overview of the Stratospheric-Tropospheric Experiment: Radiation, Aerosols, and Ozone (STERAO)-Deep Convection Experiment with Results for the July 10, 1996 Storm
Abstract:The Stratospheric-Tropospheric Experiment: Radiation, Aerosols and Ozone (STERAO)-Deep Convection Field Project
Location:3
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Record ID:0/372


Date:01/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
(53) Planetary/Atmospheric Boundary
(66) Stratiform/Stratocu Clouds
Author:Jiang, H., G. Feingold, W.R. Cotton
Title:Simulations of Aerosol-Cloud Dynamical Feedbacks Resulting from Entrainment of Aerosol into the Marine Boundary Layer During ASTEX
Abstract:Numerical simulations of a cloudy marine boundary layer (MBL) observed during the Atlantic Statocumulus Transition Experiment were performed to study the influence of entrainment of free tropospheric cloud condensation nucleai (CCN) on cloud microphysics, dynamics, and radiative properties.
Location:Reprints Box 43
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Record ID:0/373


Date:2000
Subject:(2) Aerosols & Aerosols (Scavenging)
(39) Large Eddy Simulation
(77) Arctic & Sea Ice
Author:Jiang, H, W.R. Cotton, J.O. Pinto, J.A. Curry, M.J. Weissbluth
Title:Cloud resolving simulations of mixed-phase Arctic stratus observed during BASE: Sensitivity to concentration of ice crystals and large-scale heat and moisture advection.
Abstract:none.
Location:reprints box 40
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Record ID:0/374


Date:2000
Subject:(2) Aerosols & Aerosols (Scavenging)
(39) Large Eddy Simulation
(77) Arctic & Sea Ice
Author:Jiang, H., G. Feingold, W.R. Cotton, P.G. Duynkerke
Title:Large-eddy simulations of entrainment of cloud condensation nuclei into the arctic boundary layer: 18 May 1998 FIRE/SHEBA case study
Abstract:none.
Location:reprints box 40
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Record ID:0/375


Date:1998
Subject:(2) Aerosols & Aerosols (Scavenging)
(61) Remote Sensing
Author:Feingold, Yang, Hardesty, Cotton
Title:Feasibility of retrieving cloud condensation nucleus properties from Doppler cloud radar, microwave radiometer and Lidar
Abstract:none.
Location:reprints box 38
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Record ID:0/376


Date:1997
Subject:(2) Aerosols & Aerosols (Scavenging)
(61) Remote Sensing
Author:Yang, S., W.R. Cotton, T.L. Jensen
Title:Feasibility of retrieving aerosol concentration in the atmospheric boundary layer using multitime lidar returns and visual range
Abstract:none.
Location:reprints box 36
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Record ID:0/377


Date:1996
Subject:(2) Aerosols & Aerosols (Scavenging)
(66) Stratiform/Stratocu Clouds
(60) Atmospheric Radiation
Author:Duda, D.P., G.L. Stephens, B. Stevens, W.R. Cotton
Title:Effects of aerosol and horizontal inhomogeneity on the broadband albedo of marine stratus: Numerical simulations
Abstract:none.
Location:reprints box 35
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Record ID:0/378


Date:1996
Subject:(2) Aerosols & Aerosols (Scavenging)
(66) Stratiform/Stratocu Clouds
(46) Microphysics - Warm Cloud
Author:Feingold, G., S.M. Kreidneweiss, B. Stevens, W.R. Cotton
Title:Numerical Simulations of stratocumulus processing of cloud condensation nuclei through collision-coalescence
Abstract:none
Location:reprints box 35
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Record ID:0/379


Date:11/1/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
(60) Atmospheric Radiation
Author:Li, J., Q. Min
Title:Notes and Correspondence: Parameterization of the Optical Properties of Sulfate Aerosols in the Infrared
Abstract:Parameterizations of absorptance depth for ammonium sulfate, ammonium bisulfate and sulfuric acid in the infrared are provided for an eight-band model and for 32 individual wavenumbers in order to generate other band schemes.
Location:4
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Record ID:0/380


Date:1996
Subject:(2) Aerosols & Aerosols (Scavenging)
(66) Stratiform/Stratocu Clouds
Author:Kreidenweis, S.M., G. Feingold, B. Stevens, W.R. Cotton
Title:Cloud processing of aerosol in the stratocumulus-capped marine boundary layer
Abstract:none
Location:reprints box 33
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Record ID:0/381


Date:1995
Subject:(2) Aerosols & Aerosols (Scavenging)
(7) Atmospheric Chemistry
Author:Richardson, Kreidenweis, Stevens, Cotton
Title:Aerosol processing in a two-dimensional hill top cloud using solute following microphysics: Eulerian and Lagreangian Type models
Abstract:none.
Location:reprints box 32
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Record ID:0/382


Date:1994
Subject:(2) Aerosols & Aerosols (Scavenging)
(66) Stratiform/Stratocu Clouds
(12) Climate
Author:Cotton, Stevens, Duda, Stephens
Title:Development of a CCN-Albedo-Stratocumulus Parameterization Scheme
Abstract:none.
Location:reprints box 31
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Record ID:0/383


Date:1992
Subject:(2) Aerosols & Aerosols (Scavenging)
(66) Stratiform/Stratocu Clouds
(12) Climate
Author:Cotton, Stevens, Feingold, Walko
Title:A Model for Simulating the Twomey Effect
Abstract:none.
Location:reprints box 29
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Record ID:0/384


Date:1992
Subject:(2) Aerosols & Aerosols (Scavenging)
(66) Stratiform/Stratocu Clouds
(12) Climate
Author:Cotton, Walko, Feingold, Levin, Tzivion
Title:Simulation of Twomey Effect
Abstract:none.
Location:reprints box 29
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Record ID:0/385


Date:05/22/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Rosenfeld, Y. Rudich, R. Lahav
Title:Desert dust suppressing precipitaiton: A possible desertificaiton feedback loop
Abstract:The effect of desert dust on cloud properties and precipitation has so far been studied solely by using theoretical models, which predict that rainfall would be enhanced.
Location:4
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Record ID:0/386


Date:06/15/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Szumowski, M.J., R.M. Rauber, H.T. Ochs III
Title:The microphysical structure and evolution of Hawaiian rainband clouds. Part III: A test of the ultragiant nuclei hypothesis
Abstract:A Lagrangian drop-growth trajectory model, applied within dual-Doppler-derived four-dimensional kinematic fields, is used to test the hypothesis that accretion of cloud water...
Location:4
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Record ID:0/387


Date:09/27/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Menon, S., J. Hansen, L. Nazarenko, Y. Luo
Title:Climate effects of black carbon aerosol in Ching and India
Abstract:In recent decades, there has been a tendency toward increase summer floods in south China, increased drought in north China, and moderate cooling in China and India while most of the world has been warming.
Location:4
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Record ID:0/388


Date:05/20/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Gunether, A., C.N. Hewitt, D. Erickson, R. Fall, C. Geron, T. Graedel, P. Harley, L. Klinger, M. Lerdau, W.A. McKay, T. Pierce, B. Scholes, R. Steinrecher, T. Tallamraju. J. Taylor, P. Zimmerman
Title:A global model of natural volatile organic compound emissions
Abstract:Numerical assessments of global air quality and potential changes in atmospheric chemical constituents require estimates of the surface fluxes of a variety of trace gras species.
Location:4
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Record ID:0/389


Date:11/27/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kettle, A.J., M.O. Andreae
Title:Flux of dimethylsulfide from the oceans: A comparison of update data sets and flux models
Abstract:Estimates of the fluxes of dimethylsulfide (DMS) from the global oceans are calculated using the parameterizations of Lips and Merlivat (1986)...
Location:4
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Record ID:0/390


Date:1/20/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kiehl, J.T., T.L. Schneider, P.J. Rasch, M.C. Barth
Title:Radiative forcing due to sulfate aerosols from simulations with the National Center for Atmospheric Research Community Climate Model, Version 3
Abstract:The direct and indirect radiative forcing due to sulface aerosols is calculated in a version of the National Center for Atmospheric Research (NCAR) Community Climate Model (CCM3).
Location:4
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Record ID:0/391


Date:08/27/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Liousse, C., J.E. Penner, C. Chuang, J.J. Walton, H., Eddleman, H. Cachier
Title:A global three-dimensional model study of carbonaceous aerosols
Abstract:We have developed detailed emission inventories fo the amount of both black and organic carbon particles from biomass burning sources (wood fuel, charcoal burning, dung, charcoal production, agricultural, savanna and forest fires).
Location:4
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Record ID:0/392


Date:04/15/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Lohmann, U., G. Tselioudis, C. Tyler
Title:Why is the cloud albedo-particle size relationship different in optically thick and optically thin clouds?
Abstract:Recent studies have analyzed satellite data in terms of the relationship of cloud albedo with droplet size for warm clouds.
Location:4
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Record ID:0/393


Date:05/01/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
(46) Microphysics - Warm Cloud
Author:O'Dowd, C.D., J.A. Lowe, M.H. Smith
Title:Coupling sea-salt and sulphate interactions and its impact on cloud droplet concentration predictions
Abstract:A parameterisation of internal mixing between sulphate and sea-salt aerosol is developed to determin the available externally mixed sulphate cloud condensation nuclei (CCN) population.
Location:4
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Record ID:0/394


Date:01/01/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:O'Dowd, C.D., M.H. Smith, I.E. Consterdine, J.A. Lowe
Title:Marine aerosol, sea-salt, and the marine sulphur cycle: A short review
Abstract:A short review of the marine aerosol size distribution and the contribution of sea-salt to this distribution is presented.
Location:4
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Record ID:0/395


Date:2/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Menon, S., A.D. Del Genio, D. Koch, G. Tselioudis
Title:GCM simulations of the aerosol indirect effect: Sensitivity to cloud parameterization and aerosol burden
Abstract:In this paper the coupling of the Goddard Institute for Space Studies (GISS) general circulation model (GCM) to an online sulfur chemistry model and source models for organic matter and sea salt that is used to estimate...
Location:4
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Record ID:0/396


Date:01/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Menzies, R.T., D.M. Tratt, J.D. Spinhirne, D.L. Hlavka
Title:Aerosol layers over the Pacific Ocean: Vertical distributions and optical properties as observed by multiwavelength airborne lidars
Abstract:Scattering properties of tropospheric aerosol layers were observed within airborne lidars during the Global Backscatter Experiment (GLOBE) airborne campaigns covering a wide range of latitude and longitude over the Pacific Ocean.
Location:4
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Record ID:0/397


Date:08/01/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Jones, A., D.L. Roberts, A. Slingo
Title:A climate model study of indirect radiative forcing by anthropogenic sulphate aerosols
Abstract:Anthropogenic sulphate aerosols are believed to affect the radiation budget of the Earth in two ways.
Location:4
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Record ID:0/398


Date:01/01/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Fitzgerald, J.W.
Title:Marine aerosols: A review
Abstract:The background aerosol in the boundary layer over the remote oceans is not aged continental aerosol but, rather, is largely of marine origin.
Location:4
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Record ID:0/399


Date:08/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Rotstayn, L.D., U. Lohmann
Title:Tropical rainfall trends and the indirect aerosol effect
Abstract:An atmospheric global climate model coupled to a mixed layer ocean model is used to study change in tropical rainfall due to the indirect effects of anthropogenic sulfate aerosol.
Location:4
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Record ID:0/400


Date:01/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Lowenthal, D.H., R.D. Borys, M.A. Wetzel
Title:Aerosol distributions and cloud interactions at a mountaintop laboratory
Abstract:The first measurements of ultrafine (3-10 nm diameter) condensation nuclei concentrations and particle size distributions at Storm Peak Laboratory (3210 MSL) are presented.
Location:4
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Record ID:0/401


Date:1/1/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Adams, P.J., J.H. Seinfeld
Title:Predicting global aerosol size distributions in gneeral circulation models
Abstract:To better represent the indirect effect of aerosol on climate, a size-resolved simulation of aerosol microphysics, size distributions, number and mass concentrations has been incorporated into the GISS general circulation model (GCM).
Location:4
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Record ID:0/402


Date:1/1/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Tegen, I., S.P. Harrison, K. Kohfeld, I.C. Prentice, M. Coe, M. Heinmann
Title:Impact of vegetation and preferential source areas on gloval dust aerosol: Results from a model study
Abstract:We present a model of the dust cycle that successfully predicts dust emissions as determined by land surface properties, monthly vegetation and snow cover, and 6-hourly surface wind speeds for the years 1982-1993.
Location:4
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Record ID:0/403


Date:01/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Isaelevich, P.L., Z. Levin, J.H. Joseph, E. Ganor
Title:Desert aerosol transport in the Mediterranean region as inferred from the TOMS aerosol index
Abstract:We proposed to identify the sources of desert dust aerosols with local maxima of the TOMS aerosol index distribution averaged for the long period.
Location:4
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Record ID:0/404


Date:06/01/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Karyampudi, V.M., S.P. Palm, J.A. Reagen, H. Fang, W.B. Grant, R.M. Hoff, C. Moulin, H.F. Pierce, O. Torres, E.V. Browell, S.H. Melfi
Title:Validation of the Saharan dust plume conceptual model using Lidar, Meteosat, and ECMWF data
Abstract:Lidar observations collected during the Lidar In-space Technology Experiment in conjunction with the Meteostate European Centre for Medium-Range Weather Forecasts data have been used not only to validate the Saharan dust plume conceptual model constructed from the GARP (Global Atmospheric Research Programme)...
Location:4
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Record ID:0/405


Date:02/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Prospero, J.M., P. Ginoux, O. Torres, S.E. Nicholson, T.E. Gill
Title:Environmental characterization of global sources of atmospheric soil dust identified with the Nimbus 7 total ozone mapping spectrometer (TOMS) absorbing aerosol product
Abstract:We used the Total Ozone Mapping Spectrometer (TOMS) sensor on the Nimbus 7 satellite to map the global distribution of major atmospheric dust sources with the goal of identifying common evnrionmental characteristics.
Location:4
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Record ID:0/406


Date:09/27/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Christopher, S.A., D.V. Kliche, J. Chou, R.M. Welch
Title:First estimates of the radiative forcing of aerosols generated from biomass burning using satellite data
Abstract:Colocated measurements from the Advanced Very High Resolution Radiometer (AVHRR) and the Earth Radiation Budget Experiment (ERBE) scanner are used to examine the radiative forcing of atmospheric aerosols generated from biomass burning for 13 images in South America.
Location:4
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Record ID:0/407


Date:10/01/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Rotstayn, L.D., B.F. Ryan, J.E. Penner
Title:Precipitation changes in a GCM resulting from the indirect effects of anthropogenic aerosols
Abstract:An atmospheric GCM coupled to a mixed-layer ocean model is used to study changes in rainfall due to the indirect effects of anthropogenic aerosols.
Location:4
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Record ID:0/408


Date:09/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kaufman, Y.J., D. Tanre, O. Boucher
Title:A satellite view of aerosols in the climate system
Abstract:Anthropogenic aerosols are intricately linked to the climate system and to the hydrologic cycle.
Location:4
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Record ID:0/409


Date:09/12/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kaufman, Y.J., R.S. Fraser
Title:The effect of smoke particles on clouds and climate forcing
Abstract:Smoke particles from biomass burning can generate forcing of climate by modifying cloud microphysics and reflectance of sunlight.
Location:4
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Record ID:0/410


Date:07/27/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Rogers, D.C., P.J. DeMott, S.M. Kreidenweis
Title:Airborne measurements of tropospheric ice-nucleating aerosol particles in the Arctic spring
Abstract:Intstrumented aircraft flights were made during field experiments in the Arctic Ocean, the NASA FIRE Arctic Cloud Experiment and SHEBA (Surface Heat Budget of the Arctic).
Location:4
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Record ID:0/411


Date:010/01/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Clarke, A.D., V.N. Kapustin
Title:The Soreline Evironment Aerosol Study (SEAS): A context for marine aerosol measurements influenced by a coastal enironment and long-range transport
Abstract:The Shoreline Environment Aerosol Study (SEAS) was carried out in Hawaii on the southeast coast of Oahu in an area exposed to relatively steady onshore flow.
Location:2
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Record ID:0/412


Date:10/01/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Clarke, A., V. Kapustin, S. Howell, K. Moore, B. Lienert, S. Masonis, T. Anderson, D. Covert
Title:Sea-salt distributions from breaking waves: Implications for marine aerosol production and optical extinction measurements during SEAS
Abstract:The author's participation in the Shoreline Evnironment Aerosol Study (SEAS) involved measurements forcused on the coastal aerosl size distribution and related opticla measurements, including aerosol light scattering, visibility, and remote sensing of aerosol using lidar backscatter.
Location:4
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Record ID:0/413


Date:05/04/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
(37) Inadvertent Weather Modification
Author:Satheesh, .K., V. Ramanathan
Title:Large differences in tropical aerosol forcing at the top of the atmosphere and Earth's surface
Abstract:The effect of radiative forcing by anthropogenic aerosols is one of the largest sources of uncertainty in climate predictions.
Location:4
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Record ID:0/414


Date:09/01/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
(75) Weather Modification
Author:Levi, Y., D. Rosenfeld
Title:Ice nuclei, rainwater chemical composition, and static cloud seeding effects in Israel
Abstract:this study analyzed the temporal and spatial variaiton of natural ice nuclei (IN), total suspended particles (TSP), and rainwater chemical composition (RCC) in Israel.
Location:4
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Record ID:0/415


Date:06/01/1952
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Woodcock, A.H.
Title:Atmospheric salt particles and raindrops
Abstract:Marshall and Palmer (1948) have shown that, for rains of a given intensity, there is a definite distribution curve of number of raindrops of a particular range of diameter.
Location:4
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Record ID:0/416


Date:10/01/1953
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Woodcock, A.H.
Title:Salt nuclei in marine air as a function of altiude and wind force
Abstract:Large differences are shown to occur in the numbers and sizes of sea-salt particles in marine air over the sea as the altitude, position, and the time of sampling are varied.
Location:4
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Record ID:0/417


Date:01/01/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
(12) Climate
Author:Feingold, G.
Title:Modeling of the first indirect effect: Analysis of measurement requirements
Abstract:We investigate the extent to which aerosol extinction is a suitable proxy for the aerosol affecting drop formation.
Location:4
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Record ID:0/418


Date:01/01/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
(12) Climate
Author:Feingold, G., W.L. Eberhard, D.E. Veron, M. Previdi
Title:First measurements of the Twomey indirect effect using ground-based remote sensors
Abstract:We demonstrate first measurements of the aerosol indirect effect using ground-based remote sensors at a continental US site.
Location:4
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Record ID:0/419


Date:01/01/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
(37) Inadvertent Weather Modification
Author:Jaurengui, E., E. Romales
Title:Urban effects on convective precipitation in Mexico City
Abstract:This paper reports on urban-related convective precipitation anomalies in a tropical city.
Location:4
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Record ID:0/420


Date:01/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
(77) Arctic & Sea Ice
Author:Wylie, D.P.
Title:Effects of long-range transport and clouds on cloud condensation nuclei in the springtime Arctic
Abstract:Variations in cloud condensation nuclei (CCN) concentration vertical profiles during the First International Satellite Cloud Climatology Project (ISCCP) Regional Experiment/Arctic Clouds Experiment (FIRE/ACE) flights over the Arctic Ocean were investigated using back trajectories and satellite photos.
Location:4
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Record ID:0/421


Date:01/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
(7) Atmospheric Chemistry
Author:Feingold, G., and S.M. Kreidenweis
Title:Cloud processing of aerosol as modeled by a large eddy simulation with coupled microphysics and aqueous chemistry
Abstract:Cloud processing of aerosol through both drop collision coalescence and aqueous chemistry is simulated with the aid of a large eddy simulation model and fully coupled compoenents that represent (1) size-resolved aerosol, (2) size-resolved microphysics, and (3) the conversion of SO_2 to sulfate via aqueous chemistry.
Location:4
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Record ID:0/422


Date:01/01/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Bilde, M., B. Svenningsson
Title:CCN activation of slightly soluble organics: the importance of small amounts of inorganic salt and particle phase
Abstract:Using a static thermal-gradient diffusion cloud condensation nucleus chamber we study the effect of small amounts of inorganiz salts on the cloud droplet activation of two slightly soluble organiz aerosol components....
Location:4
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Record ID:0/423


Date:05/27/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Quijano, A.L., I.N. Sokolik, O.B. Toon
Title:Radiative heating rates and direct radiative forcing by mineral dust in cloudy atmospheric conditions
Abstract:We explore several issues relevant to assessments of solar and infrared radiative effects due to mineral aerosols.
Location:4
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Record ID:0/424


Date:04/27/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Sokolik, I.N., O.B. Toon
Title:Modeling the radiative characteristics of airborne mineral aerosols at infrared wavelengths
Abstract:We explore the importance of the composition of airborne mineral aerosols for assessments of their direct radiative forcing at infrared wavelengths.
Location:4
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Record ID:0/425


Date:06/20/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Sokolik, I.N., O.B. Toon
Title:Direct radiative forcing by anthropogenic airborne mineral aerosols
Abstract:Airborne mineral dust can have a significant effect on the earth's radiation budget, as it can both scatter sunlight back to space (leading to negative radiative forcing), and absorb solar and infrared radiation (leading to positive forcing).
Location:4
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Record ID:0/426


Date:09/20/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Tegen, I., I. Fung
Title:Contributions to the atmospheric mineral aerosol load from land surface modification
Abstract:An estimation of the contribution of mineral dust from disturbed soils (i.e., soils affected by human activity and/or climate variability) to the total atmospheric mineral aerosol load is presented.
Location:4
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Record ID:0/427


Date:04/01/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Tegen, I., A.A. Lacis, I. Fung
Title:The influence on climate forcing of mineral aerosols from disturbed soils
Abstract:Aerosols influence the global radiation budget, and so changes in the atmospheric aerosol load due to either natural causes or human activity will contribute to climate change.
Location:4
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Record ID:0/428


Date:01/01/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Toon, O.B.
Title:Modeling the relationships between aerosol properties and the direct and indirect effects of aerosols on climate
Abstract:Aerosols may affect climate directly by scattering and absorbing visible and infrared energy.
Location:4
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Record ID:0/429


Date:08/01/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Toon, O.B.
Title:African dust in Florida clouds
Abstract:None
Location:4
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Record ID:0/430


Date:05/24/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Cotton, W.R., E. Zarovy, G. Carrio, S. Saleeby, H. Jiang, D. Stokowski, and S. van den Heever
Title:Mesoscale numerical prediction of aerosols and dust
Abstract:None.
Location:reprints box 46
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Record ID:0/431


Date:01/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Israelevich, P.L., Z. Levin, J.H. Joseph, and E. Ganor
Title:Desert aerosol transport in the Mediterranean region as inferred from the TOMS aerosol index
Abstract:We proposed to identify the sources of desert dust aerosols with local maxima of the TOMS aerosol index distribution averaged for the long period.
Location:4
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Record ID:0/432


Date:01/01/1938
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Houghton, H.G.
Title:Problems connected with the condensation and precipitation processes in the atmosphere
Abstract:None
Location:4
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Record ID:0/433


Date:05/12/2000
Subject:(2) Aerosols & Aerosols (Scavenging)
(37) Inadvertent Weather Modification
Author:Ackerman, A.S., O.B. Toon, D.E. Stevens, A.J. Heymsfield, V. Ramanathan, E.J. Welton
Title:Reduction of tropical cloudiness by soot
Abstract:Measurements and models show that enhanced aerosol concentrations can augment cloud albedo not only by increasing total droplet cross-sectional area, but also by reducing precipitation and therby increasing cloud water content and cloud coverage.
Location:1
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Record ID:0/434


Date:01/01/1997
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Feichter, J., U. Lohmann, I. Schult
Title:The atmospheric sulfur cycle in ECHAM-4 and its impact on the shortwave radiation
Abstract:The atmospheric general circulation model ECHAM-4 is coupled to a chemistry model to calaculate sulfate mass distribution and the radiative forcing due to sulfate aerosol particles.
Location:3
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Record ID:0/435


Date:01/01/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Williams, K.D., A. Jones, D.L. Roberts, C.A. Senior, M.J. Woodage
Title:The response of the climate system to the indirect effects of anthropogenic sulfate aerosol
Abstract:The indirect effects of anthropogenic sulfate aerosols on the albedo and lifetime of clouds may produce a significant impact on the climate system.
Location:4
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Record ID:0/436


Date:12/07/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Ramanathan, V., P.J. Crutzen, J.T. Kiehl. D. Rosenfeld
Title:Aerosols, climate, and the hydrological cycle
Abstract:Human activities are releasing tiny particles (aerosols) into the atmosphere. These human-made aerosols enhance scattering and absorption of solar radiation.
Location:4
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Record ID:0/437


Date:01/01/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Penner, J.E., S.Y. Zhang
Title:Soot and smoke aerosol may not warm climate
Abstract:Soot and smoke aerosol contain black carbon, which absorbs solar radiation.
Location:4
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Record ID:0/438


Date:01/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
(60) Atmospheric Radiation
(12) Climate
Author:Nenes, A., W.C. Conant, J.H. Seinfeld
Title:Black carbon radiative heating effects on cloud microphysics and implications for the aerosol indirect effect 2. Cloud microphysics
Abstract:This work examines the effect of black carbon (BC) radiative heating on cloud droplet formation. Changes in cloud droplet concentration and cloud albedo due to the presence of black carbon are computed for different cases..
Location:4
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Record ID:0/439


Date:01/01/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Liepert, B.G., J. Feichter, U. Lohmann, E. Roeckner
Title:Can aerosols spin down the water cycle in a warmer and moister world?
Abstract:Surface observations show puzzling evidence of reduced solar warming and concurrent increasing temperature during the last four decades.
Location:4
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Record ID:0/440


Date:07/01/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Le Treut, H., M. Forichon, O. Boucher, Z.X. Li
Title:Sulfate aerosols indirect effect and CO2 greenhouse forcing: Equilibrium response of the LMD GCM and associated cloud feedbacks
Abstract:The climate sensitivity to various forcings, and in particular to changes in CO2 and sulfate aerosols concentrations, improsed separately or in a combined manner, is studied with an atmospheric circulation model coupled to a simple slab oceanic model.
Location:4
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Record ID:0/441


Date:08/11/1994
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Jones, A., D.L. Roberts, A. Slingo
Title:A climate model study of indirect forcing by anthropogenic sulphate aerosols
Abstract:Anthropogenic sulphate aerosols are believed to affect the radiation budget of the Earth in two ways.
Location:4
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Record ID:0/442


Date:1/13/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Hansen, J., L. Nazarenko
Title:Soot climate forcing via snow and ice albedos
Abstract:Plausible estimates for the effect of soot on snow and ice alebdos (1.5% in the Arctic and 3% in Northern Hemisphere land areas) yield a climate forcing of +0.3 W/m^2 in the Northern Hemisphere.
Location:4
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Record ID:0/443


Date:03/27/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
(60) Atmospheric Radiation
Author:Ghan, S.J., R.C. Easter, E.G. Chapman, H. Abdul-Razzak, Y. Zhang, L.R. Leung, N.S. Laulainen, R.D. Saylor, R.A. Zaveri
Title:A physically based estimate of radiative forcing by anthropogenic sulfate aerosol
Abstract:Estimates of direct and indirect radiative forcing by anthropogenic sulfate aerosols from an integrated global aerosol and climate modeling system are presented.
Location:4
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Record ID:0/444


Date:4/30/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Fridlind, A.M., A.S. Ackerman, E.J. Jensen, A.J. Heymsfield, M.R. Poellot, D.E. Stevens, D. Wang, L.M. Miloshevich, D. Baumgardner, R.P. Lawson, J.C. Wilson, R.C. Glagan, J.H. Seinfeld, H.H. Jonsson, T.M. VanRenken, V. Varutbangkul, T.A. Rissman
Title:Evidence for the predominance of mid-tropospheric aerosols as subtropical anvil cloud nuclei
Abstract:NASA's recent Cirrus Regional Study of Tropical Anvils and Cirrus Layers-Florida Area Cirrus Experiment focused on anvil cirrus clouds, an important but poorly understood element of our climate systme.
Location:4
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Record ID:0/445


Date:02/27/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Andreae, M.O., D. Rosenfeld, P. Artaxo, A.A. Costa, G.P. Frank, K.M. Longo, M.A.F. Silva-Dias
Title:Smoking rain clouds over the Amazon
Abstract:Heavy smoke from forest fires in the Amazon was observed to reduce cloud droplet size and so delay the onset of precipitation from 1.5 kilometers above cloud based in pristine clouds to more than 5 kilometers in polluted clouds and more than 7 kilometers in pyro-clouds.
Location:4
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Record ID:0/446


Date:06/01/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Chung, C.E., V. Ramanathan
Title:South Asian haze forcing: Remote impacts with implications to ENSO and AO
Abstract:Aerosols are regionally concentrated and are subject to large temporal variations, even on interannual time-scales.
Location:4
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Record ID:0/447


Date:07/19/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Clarke, A.D. R.J. Charlson
Title:Radiative properties of the background aerosol: Absorption component of extinction
Abstract:The light-scattering and light-absorption coefficients of the global background aerosol define its single-scatter albedo.
Location:4
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Record ID:0/448


Date:01/01/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Colarco, P.R., O.B. Toon, B.N. Holben
Title:Saharan dust transport to the Caribbean during PRIDE: 1. Influence of dust sources and removal mechanisms on the timing and magnitue of downwind aerosol optical depth events from simulations of in situ and remote sensing observations
Abstract:Dust emissions, transport, and deposition are simulation for the Puerto Rico Dust Experiment (June-July, 2000) with a three-dimensional aerosol transport model driven by assimilated meteorology.
Location:4
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Record ID:0/449


Date:01/01/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Colarco, P.R., O.B. Toon, J.S. Reid, J.M. Livingston, P.B. Russell, J. Redemann, B. Schmid, H.B. Maring, D. Savoie, E.J. Welson, J.R. Campbell, B.N. Holben, and R. Levy
Title:Saharan dust transport to the Caribbean during PRIDE: 2. Transport, vertical profiles, and deposition in simulations of in situ and remote sensing observations
Abstract:We simulate Saharan dust transport during the Puerto Rico Dust Experiment (June-July 2000) with a three-dimensional aerosol transport model driven by assimilated meteorology.
Location:4
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Record ID:0/450


Date:01/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
(60) Atmospheric Radiation
(12) Climate
Author:Conant, W.C., A. Nenes, J.H. Seinfeld
Title:Black carbon radiative heating effects on cloud microphysics and implications for the aerosol indirect effect. 1. Extended Kohler theory
Abstract:Black carbon (BC) aerosol absorbs sunlight that might have otherwise been reflected to space and changes the radiative heating of the atmosphere and surface.
Location:4
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Record ID:0/451


Date:01/01/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Conant, W.C., T.M. VanReken, T.A. Rissman, V. Varutbangkul, H.H. Jonsson, A. Nenes, J.L. Jimenez, A.E. Delia, R. Bahreini, G.C. Roberts, R.C. Flagan, and J.H. Seinfeld
Title:Aerosol--cloud drop concentration closure in warm cumulus
Abstract:Our understanding of the activation of aerosol particles into cloud drops during the formation of warm cumulus clouds presently has a limited observational foundation.
Location:4
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Record ID:0/452


Date:10/20/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
(7) Atmospheric Chemistry
Author:Dentener, F.J., G.R. Carmichael, Y. Zhang, J. Lelieveld, P.J. Crutzen
Title:Role of mineral aerosols as a reactive surface in the global troposphere
Abstract:A global three-dimensional model of the troposphere is used to simulate the sources, abundances, and sinks of mineral aerosol and the species involved in the photochemical oxidant, nitrogen, and sulfur cycles.
Location:4
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Record ID:0/453


Date:04/01/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Glantz, P., K.J. Noone, S.R. Osborne
Title:Scavenging efficiences of aerosol particles in marine stratocumulus and cumulus clouds
Abstract:Scavenging efficiencies of aerosol particles in marine stratocumulus and cumulus clouds obtained using Counterflow Virtual Impactors mounted on aircraft are presented as a function of pollution level.
Location:4
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Record ID:0/454


Date:11/27/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Ramanathan, V., P.J. Crutzen, J. Lelieveld, A.P. Mitra, D. Althausen, and 35 other authors
Title:Indian Ocean Experiment: An integrated analysis of the climate forcing and effects of the great Indo-Asian haze
Abstract:Every year, from December to April, anthropogenic haze spreads over most of the North Indian Ocean, and South and Southeast Asia.
Location:4
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Record ID:0/455


Date:04/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Barkan, J., Alpert, P., Kutiel, H., Kishcha, P.
Title:Synoptics of dust transportation days from Africa toward Italy and central Europe
Abstract:None.
Location:Citation Only, Full Text Not In Library
Record ID:0/456


Date:04/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:VanReken, T.M.; Ng, N.L.; Flagan, R.C., Seinfeld, J.H.
Title:Cloud condensation nucleus activation properties of biogenic secondary organic aerosol
Abstract:Organic aerosols in general and secondary organiz aerosol (SOA) in particular are known to contribut significantly to the atmospheric ....
Location:5
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Record ID:0/457


Date:04/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Tunved, P., Nilsson, E. D., Hansson, H.-C., Ström, J., Kulmala, M., Aalto, P., Viisanen, Y.
Title:Aerosol characteristics of air masses in northern Europe: Influences of location, transport, sinks, and sources
Abstract:None
Location:Citation Only, Full Text Not In Library
Record ID:0/458


Date:04/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Laurent, B., Marticorena, B., Bergametti, G., Chazette, P., Maignan, F., Schmechtig, C.
Title:Simulation of the mineral dust emission frequencies from desert areas of China and Mongolia using an aerodynamic roughness length map derived from the POLDER/ADEOS 1 surface products
Abstract:None.
Location:Citation Only, Full Text Not In Library
Record ID:0/459


Date:03/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Liu, Hongqing, Pinker, R. T., Holben, B. N.
Title:A global view of aerosols from merged transport models, satellite, and ground observations
Abstract:None
Location:Citation Only, Full Text Not In Library
Record ID:0/460


Date:03/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kishcha, P., Barnaba, F., Gobbi, G. P., Alpert, P., Shtivelman, A., Krichak, S. O., Joseph, J. H.
Title:Vertical distribution of Saharan dust over Rome (Italy): Comparison between 3-year model predictions and lidar soundings
Abstract:None.
Location:Citation Only, Full Text Not In Library
Record ID:0/461


Date:03/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Min, Qilong
Title:Impacts of aerosols and clouds on forest-atmosphere carbon exchange
Abstract:None.
Location:Citation Only, Full Text Not In Library
Record ID:0/462


Date:03/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Takemi, T., Seino, N.
Title:Dust storms and cyclone tracks over the arid regions in east Asia in spring
Abstract:None.
Location:Citation Only, Full Text Not In Library
Record ID:0/463


Date:03/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Bertschi, I. T., Jaffe, D.A.
Title:Long-range transport of ozone, carbon monoxide, and aerosols to the NE Pacific troposphere during the summer of 2003: Observations of smoke plumes from Asian boreal fires
Abstract:None.
Location:Citation Only, Full Text Not In Library
Record ID:0/464


Date:11/16/2001
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Harrington, J.Y., P.Q. Olsson
Title:On the potential influence of ice nuclei on surface-forced marine stratocumulus clouds dynamics
Abstract:The mixed phase cloudy boundary layer that occurs during off-ice flow in the marine Arctic was simulated in an environment with a strong surface heat flux (nearly 880 W m^-2).
Location:4
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Record ID:0/465


Date:03/01/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Harimaya, T., A. Homma, A. Sasaki, Y. Ishizaka
Title:Simultaneous aircraft observations of aerosol and cloud droplet concentrations related to global cooling
Abstract:Aircraft observations were carried out in order to study the relationship between aerosol concentration and cloud droplet concentration as basic research on the indirect effect of aerosol.
Location:4
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Record ID:0/466


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Ovtchinnikov, M., S.J. Ghan
Title:Parallet simulations of aerosol influence on clouds using cloud-resolving and single-column models
Abstract:The influence of the cloud condensation (CCN) concentration on the properties of low-level clouds under the conditions observed over the north central Oklahoma on 24-25 September 1997 is examined in a series of 18-hour simulations using a single-column model (SCM) and a cloud-resolving model (CM).
Location:4
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Record ID:0/467


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Yoshioka, M., N. Mahowald, J.L. Dufresne, C. Luo
Title:Simulation of absorbing aerosol indices for African dust
Abstract:It has been speculated that the vegetation change and human land use have modulated the dust sources in North Africa and Contributed to the observed increase of desert dust since 1960s.
Location:4
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Record ID:0/468


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Adhikari, M., Y. Ishizaka, H. Minda, R. Kazaoka, J.B. Jensen, J.L. Gras, T. Nakajima
Title:Vertical distribution of cloud condensation nuclei concentrations and their effect on microphysical properties of clouds over the sea near the southwest islands of Japan
Abstract:Aircraft observations were performed over the sea near the southwest islands of Japan under the Asian Atmospheric Pariculate Enrionmental Change Experiment 2/Asian Pacific Regional Aerosol Characterization Experiment (APEX-E2/ACE-Asia)
Location:4
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Record ID:0/469


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Van Curen, R.A., S.S. Cliff, K.D. Perry, M. Jimenez-Cruz
Title:Asian continental aerosol persistence above the marine boundary layer over the eastern North Pacific: Continuous aerosol measurements from intercontinental transport and checmial transformation 2002 (ITCT 2K2)
Abstract:We report analyses of aerosols collected for the 2002 Intercontinental Transport and Chemical Transformation experiment (ITCT-2K2).
Location:4
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Record ID:0/470


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Romakkaniemi, S., H. Kokkola, A. Laaksonen
Title:Soluble trace gas effect on cloud condensation nuclei activation: Influence of initial equilibration of cloud model results
Abstract:Influence of initial equilibrium of NH_3 and HNO_3 on number of droplets activated during a cloud model simulation is studied.
Location:5
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Record ID:0/471


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Zhang, X.Y., Y.Q. Want, D. Wang, S.L. Gong, R. Arimoto, L.J. Mao, J. Li
Title:Characterization and sources of regional-scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China
Abstract:Concentrations of 12-hour averaged organic carbon (OC), elemental carbon (EC), and other trace elements were determined from bulk aerosol samples at a coastal city of Lian Yun Gan (LYG) in east Ching from June to December 2003...
Location:5
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Record ID:0/472


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Zhang, X.Y., Y.Q. Want, D. Wang, S.L. Gong, R. Arimoto, L.J. Mao, J. Li
Title:Characterization and sources of regional-scale transported carbonaceous and dust aerosols from different pathways in coastal and sandy land areas of China
Abstract:Concentrations of 12-hour averaged organic carbon (OC), elemental carbon (EC), and other trace elements were determined from bulk aerosol samples at a coastal city of Lian Yun Gan (LYG) in east Ching from June to December 2003...
Location:5
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Record ID:0/473


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Hart, K.E.H., T. Rosenorn, S.R. Ferchak, T.M. Raymond, M. Bilde, N.M. Donahue, S.N. Pandis
Title:Cloud condensation nuclei activation of monoterpene and sesquiterpene secondary orgranic aerosol
Abstract:The ability of biogenic secondary organic aerosol (SOA) to contirube to the concentration of cloud condensation nuclei (CCN) in the atmosphere is examined.
Location:5
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Record ID:0/474


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Levin, Z., A. Teller, E. Ganor, Y. Yin
Title:On the interactions of mineral dust, sea-salt particles, and clouds: A measurement and modeling study from the Mediterranean Israeli Dust Experiment campaign
Abstract:The size distribution and chemical composition of aerosol particles during a dust storm in the eastern Mediterraneous are analyzed.
Location:5
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Record ID:0/475


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
(66) Stratiform/Stratocu Clouds
Author:Petters, M.D., J.R. Snider, B. Stevens, G. Vali, I. Faloona, L.M. Russell
Title:Accumulation model aerosol, pockets of open cells, and particle nucleation in the remote subtropical Pacific marine boundary layer
Abstract:We analyze a marine boundary layer cloud field encounrtered during the second research flight of the second Dynamics and Chemistry of Marine Stratocumulus experiment.
Location:5
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Record ID:0/476


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(37) Inadvertent Weather Modification
Author:Jin, M. J.M. Shepherd, M.D. King
Title:Urban aerosols and their variations with clouds and rainfall: A case study for New York and Houston
Abstract:Diurnal, weekly, seasonal, and interannual variations of urban aerosols were analyzed with an emphasis on summer months using 4 years of the NASA Earth Observing System (EOS) Moderate resolution Imaging Spectrometer (MODIS) observations, in situ...
Location:5
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Record ID:0/477


Date:01/01/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Tsigaridis, K., M. Kanakidou
Title:Global modelling of secondary organiz aerosol in the troposphere: a sensitivity analysis
Abstract:A global 3-dimensional chemistry/transport model able to describe O_3, NO_x, Volatile Organic Compounds (VOC), sulphur and NH_3 chemistry has been extended to simulate the temporal and spatial distribution of primary and secondary...
Location:5
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Record ID:0/478


Date:02/27/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
(5) Air Pollution
Author:Koren, I., Y.J. Kaufman, L.A. Remer, J.V. Martins
Title:Measurement of the effect of Amazon smoke on inhibition of cloud formation
Abstract:Urban air pollution and smoke from fires have been modeled to reduce cloud formation by absorbing sunlight, thereby cooling the surface and heating the atmosphere.
Location:5
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Record ID:0/479


Date:07/30/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(21) Cumulus Dynamics
Author:Koren, I., Y.J. Kaufman, D. Rosenfeld, L.A. Remer, Y. Rudich
Title:Aerosol invigoration and restructuring of Atlantic convective clouds
Abstract:Clouds and precipitation play crucial roles in the Earth's energy balance, global atmospheric circulation and the availability of fresh water.
Location:5
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Record ID:0/480


Date:02/20/1988
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Andreae, M.O., T.W. Andreae
Title:The cycle of biogenic sulfur compounds over the Amazon basin. 1. Dry season
Abstract:We determined the concentrations of gaseous and particulate sulfur species over the Amazon Basin during July/August 1985.
Location:5
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Record ID:0/481


Date:01/01/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Bauer, H., H. Giebl, R. Hitzenberger, A. Kasper-Giebl, G. Reischl, F. Zibuschka, H. Puxbaum
Title:Airborne bacteria as cloud condensation nuclei
Abstract:Bacteria cultivated from aerosol and cloud water samples collected at a remote Austrian mountain site under wintry conditions were tested for their ability to act as cloud condensation nuclei (CCN).
Location:5
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Record ID:0/482


Date:01/01/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Schulz, M., G. deLeeuw, Y. Balkanski
Title:Sea-salt aerosol source functions and emissions
Abstract:None (book).
Location:5
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Record ID:0/483


Date:01/01/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Miller, R.L., I. Tegen, J. Perlwitz
Title:Surface radiative forcing by soil dust aerosols and the hydrologic cycle
Abstract:For absorbing aerosols like soil (or
Location:5
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Record ID:0/484


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Zhang, D., Y. Ishizaka, D. Aryal
Title:Individual particles and droplets in continentally influenced stratocumulus: A case study over the Sea of Japan
Abstract:Aerosol particles were collected with an aircraft-borne sample aobve, iwthin and below a stratocmulus over the Sea of Japan on December 3, 2000, when continential influence was expected.
Location:5
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Record ID:0/485


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Rissman, T.A., T.M. VanRenken, J. Wang, R. Gasparini, D.R. Collins, H.H. Jonsson, F.J. Brechtel, R.C. Flagan, J.H. Seinfeld
Title:Characterization of ambient aerosol from measurements of cloud condensation nuclei during the 2003 Atmospheric Radiation Measurement Aerosol Intensive Observational Period at the Southern Great Plains site in Oklahoma
Abstract:Measurements were made by a new cloud condensation nuclei (CCN) instrument (CCNC3) during the Atmospheric Radiation Measurement (ARM) Program's Aerosol Intensive Observational Period (IOP) in May 2003 in Lamont, Oklahoma.
Location:5
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Record ID:0/486


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Lu, M.L., J.H. Seinfeld
Title:Effect of aerosol number concentration on cloud droplet dispersion: A large-eddy simuatlion study and implications for aerosol indirect forcing
Abstract:Through three-dimensional large-eddy simulations of marine stratocumulus we explore the factors that control the cloud spectral relative dispersion (ratio of clod droplet spectral width to the mean radius of the distribution) as a function of aerosol number concentration and ten extent to which...
Location:5
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Record ID:0/487


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ghan, S.J., T.A. Rissman, R. Ellerman, R.A. Ferrare, D. Turner, C. Flynn, J. Wang, J. Ogren, J. Hudson, H.H. Jonsson, T. vanRenken, R.C. Flagan, J.H. Seinfeld
Title:Use of in situ cloud condensation nucleik, extinction, and aerosol size distribution measurements to test a method for retrieving cloud condensation nuclei profiles from surface measurements
Abstract:If the aerosol composition and size distribution below cloud are uniform, the vertical profile of cloud condensation nuclei concentration can be retieved entirely from surface measurements of CCN concentration and ...
Location:5
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Record ID:0/488


Date:01/01/2003
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Formenti, P., W. Elbert, W. Maenhaut, J. Haywood, M.O. Andrea
Title:Chemical compsotion of mineral dust aerosol during the Saharan Dust Experiment (SHADE) airborne campaign in the Cape Verder region, September 2000
Abstract:During the Saharn Dust Experiment (SHADE) in September 2000, we collected filter samples on board the Met Office C-130 aircraft.
Location:5
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Record ID:0/489


Date:01/01/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Tegen, I., M. Werner, S.P. Harrison, K.E. Kohlfeld
Title:Relative importance of climate and land use in determining present and future global soil dust emission
Abstract:The current consensus is that up to half of the modern amtospheric dust load originates from anthropogenically disturbed soils.
Location:5
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Record ID:0/490


Date:09/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Carrio, G.G., H. Jiang, and W.R. Cotton
Title:Impact of aerosol intrusions on Arctic boundary layer clouds. Part I: 4 May 1998 case
Abstract:The objective of this paper is to assess the impact of the entrainment of aerosol from above the inversion on the microphysical structure and radiative properties of boundary layer clouds.
Location:Reprints Box 46
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Record ID:0/491


Date:09/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Carrio, G.G., H. Jiang, W.R. Cotton
Title:Impact of aerosol intrusions on Arctic boundary layer clouds. Part II: Sea ice melting rates
Abstract:The potential impact of intrusions of polluted air into the Arctic basin on sea ice melting rates and the surface energy budget is examined.
Location:Reprints Box 46
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Record ID:0/492


Date:09/15/1989
Subject:(2) Aerosols & Aerosols (Scavenging)
(75) Weather Modification
Author:Albrecht, B.A.
Title:Aerosols, cloud microphysics, and fractional cloudiness
Abstract:Increases in aerosol concentrations over the oceans may increase the amount of low-level cloudiness through a reduction in drizzle--a process that regulates the liquid-water content and the energetics of shallow marine clouds.
Location:5
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Record ID:0/493


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Jiang, H., G. Feingold
Title:Effect of aerosol on warm convective clouds: Aerosol-cloud-surface flux feedbacks in a new coupled large eddy model
Abstract:We present a new large eddy simulation model that comprises coupled components representing size-resolved aerosol and cloud microphysics, radiative perperties of aerosol and clouds...
Location:5
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Record ID:0/494


Date:12/01/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ackerman, A.S., M.P. Kirkpatrick, D.E. Stevens, O.B. Toon
Title:The impact of humidity above stratiform clouds on indirect aerosol climate forcing
Abstract:Some of the global warming from anthropogeneic greenhouse gases is offset by increased reflection of solar radiation by cloud with smaller droplets that form in air polluted with aerosol particles that serve as cloud condensation nuclei.
Location:5
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Record ID:0/495


Date:10/15/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Lohmann, U.
Title:Can anthropogenic aerosols decrease the snowfall rate?
Abstract:Observations by Borys, Lowenthal, Cohn, and Brown in midlatitude orographic clouds show that for a given supercooled liquid water content, both the riming and the snowfall rates are smaller if the supercooled cloud has more cloud droplets as, for example, cause by anthropogenic aerosols.
Location:5
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Record ID:0/496


Date:01/01/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Wang, C.
Title:A modeling study on the climate impacts of black carbon aerosols
Abstract:A three-dimensional interactive aerosol-climate model has been developed and used to study the climatic impact of black carbon (BC) aerosols.
Location:5
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Record ID:0/497


Date:01/01/2002
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Yin, Y., S. Wurzler, Z. Levin, T.G. Reisin
Title:Interactions of mineral dust particles and clouds: Effects on precipitation and cloud optical properties
Abstract:Numerical simulations were performed to investigate the effect of cloud-processed mineral dust parciles on the subsequent development of cloud and precipitation and possible effects on cloud optical properties.
Location:5
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Record ID:0/498


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(18) Cumulonimbus
Author:Khain, A., D. Rosenfeld, A. Pokrovsky
Title:Aerosol impact on the dynamics and microphysics of deep convective clouds
Abstract:Mechanisms through which atmospheric aerosols affect cloud microphysics, dynamics and precipitation are investigated using a spectral microphysics two-dimensional cloud model.
Location:5
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Record ID:0/499


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Feingold, G., H. Jiang, J.Y. Harrington
Title:On smoke suppression of clouds in Amazonia
Abstract:We use large eddy simulations of smoke-cloud interactions to demonstrate the relative importance of various factors responsible for cloud suppression in the biomass burning regions of Amazonia.
Location:5
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Record ID:0/500


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Chylek, P., M.K. Dubey, U. Lohmann, V. Ramanthan, Y.J. Kaufman, G. Lesins, J. Hudson, G. Altmann, S. Olsen
Title:Aerosol indirect effect over the Indian Ocean
Abstract:We analyze the MODIS (Moderate Resolution Imaging Spectroradiometer) satellite data over the seas adjacent to the Indian sub-contintent to investigate the effect of aerosols on the size distribution of cloud droplets and ice crystals (indirect aerosol effect).
Location:5
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Record ID:0/501


Date:06/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Xue, H., G. Feingold
Title:Large-eddy simulations of trade wind cumuli: Investigation of aerosol indirect effects
Abstract:The effects of aerosol on warm trade cumulus clouds are investigated using a large-eddy simulation with size-resolved cloud microphysics.
Location:5
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Record ID:0/502


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Segal, Y., A. Khain
Title:Dependence on droplet concentration of aerosol conditions in different cloud types: Application to droplet concentration parameterization of aerosol conditions
Abstract:The dependence of droplet concentration on the vertical velocity at the cloud base of stratiform and cumulus clouds and aerosol size distribution is calculated.
Location:5
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Record ID:0/503


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Chou, M-D., P-H. Lin, P-L. Ma, H-J. Lin
Title:Effects of aerosols on the surface solar radiation in a tropical urban area
Abstract:Surface radiation measurements at an urban site in southern Taiwan during the drop winter season, December 2005 to March 2004, are used to investigate the aerosol properties of the effects of aerosols on the surface solar radiation in clear skies.
Location:5
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Record ID:0/504


Date:07/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
(37) Inadvertent Weather Modification
(52) Orographic Clouds
Author:Rosenfeld, D., A. Givati
Title:Evidence of orographic precipitation suppression by air pollution-induced aerosols in the western United States
Abstract:Analyses of trends of the orographic winter precipitation enhancement factor Ro along the coastal mountain ranges of the west coast of the United States shows a pattern of decreasing Ro during the last century by as much as -24%...
Location:5
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Record ID:0/505


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Mahowald, N.M., D.R. Muhs, S. Levis, P.J. Rasch, M. Yoshioka, C.S. Zender, C. Luo
Title:Change in atmospheric mineral aerosols in response to climate: Last galcial period, perindustrial, modern, and doubled carbon dioxide climates
Abstract:Desert dust simulations generated by the National Center for Atmospheric Research's Community Climate System Model for the current climate are shown to be consistent with present day satellite and deposition data.
Location:5
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Record ID:0/506


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Gangoiti, G., L. Alonso, M. Navazo, J. A. Garcia, M.M. Millan
Title:North African soil dust and European pollution transport to America during the warm season: Hidden links shown by a passive tracer simulation
Abstract:A mesoscale atmospheric model coupled with a dispersion model is used to estabilish source-receptor relationships between the European-North African aerosol episodes observed over the Caribbean every year during summer and their main sources.
Location:5
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Record ID:0/507


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Chuang, P.Y.
Title:Sensitivity of cloud condensation nuclei activation processes to kinetic parameters
Abstract:The activation of cloud condensation nuclei to form cloud drops can be a kinetically limited process under some circumstances.
Location:5
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Record ID:0/508


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Matsui, T., R.A. Pielke, Sr.
Title:Measurement-based estimation of the spatial gradient of aerosol radiative forcing
Abstract:This paper diagnostic the spatial mean and the spatial gradient of the aerosol radiative forcing in comparison with those of well-mxed green-house gases (GHG).
Location:5
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Record ID:0/509


Date:09/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kulmala, M., A. Reissell, M. Sipila, Boris Bonn, T.M. Ruuskanen, K.E.J. Lehtinen, V.M. Kerminen, J. Strom
Title:Deep convective clouds as aerosol production engines: Role of insoluble organics
Abstract:Deep convection associated with thunderstorms and sometimes with frontal systems is an effective way to transport material from the planetary boundary layer to the upper troposphere and even to the lower stratosphere.
Location:5
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Record ID:0/510


Date:09/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
(51) Numerical Weather Prediction
Author:Mechem, D.B., P.C. Robinson, Y.L. Kogan
Title:Processing of cloud condensation nuclei by collision-coalescence in a mesoscale model
Abstract:The Naval Research Laboratory's Coupled Ocean-Atmsophere Mesoscale Prediction System (COAMPS) is employed to explore the relative importance of source, sink, and transport processes in production an accurate forecast of the aerosol-cloud-drizzle system.
Location:5
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Record ID:0/511


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
(46) Microphysics - Warm Cloud
Author:Jiang, H., H.Xue, A. Teller, G. Feingold, Z. Levin
Title:Aerosol effects on the lifetime of shallow cumulus
Abstract:We explore the effects of increases in aerosol concentration on cloud lifetime for warm convective clouds using a two-dimensional single cloud model and three-dimensional large eddy simulations (LES).
Location:5
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Record ID:0/512


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Lynn, B.H., A.P. Khain, J. Dudhia, D. Rosenfeld, A. Pokrovsky, A. Seifert
Title:Spectral (bin) microphysics coupled with a mesoscale model (MM5). Part II: Simulations of a CaPE rain event with a squall line.
Abstract:Spectral (bin) microphysics (SBM) has been impleted into the three-dimensional fifth-generation Pennsylvania State University-NCAR Mesoscale Model (MM5).
Location:5
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Record ID:0/513


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Lynn, B.H., A.P. Khain, J. Dudhia, D. Rosenfeld, A. Pokrovsky, A. Seifert
Title:Spectral (bin) microphysics coupled with a mesoscale model (MM5). Part I: Model description and first results
Abstract:Considerable research investments have been made to improve the accuracy of forecasting precipitation systems in cloud-resolving, mesoscale atmsopheric models.
Location:5
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Record ID:0/514


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:HIndman, E.E., R.D. Borys, D.H. Lowenthal, N. Phillip
Title:Long-term, wintertime aerosol, cloud and precipitation measurements in the Northern Colorado Rocky Mountains, USA
Abstract:At Storm Peak Laboratory (SPL) in the northern Colorado Rocky Mountains during the winters of 1983/1984 through 2003/2004, signficant trends of decreasing cloud droplet concentrations and a corresponding increast...
Location:5
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Record ID:0/515


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Berthier, S., P. Chazette, P. Douvert, J. Pelon, F. Dulac, F. Thieuleux, C. Moulin, T. Pain
Title:Desert dust aerosol columnar properties over ocean and continental Africa and Lidar in-Space Technology Experiment (LITE) and Meteostat synergy
Abstract:The new generation of spaceborne backscatter lidar systems, prefigured by the Lidar in-Space Technology Experiment (LITE) mission in September 1994, will give new ingith on the vertical distribution of both aerosols and clouds in the atmosphere.
Location:5
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Record ID:0/516


Date:02/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
(11) Cirrus
Author:Carrió, G.G., S.C. van den Heever, W.R. Cotton
Title:Impacts of nucleating aerosol on anvil-cirrus clouds: A modeling study.
Abstract:
Location:Reprints Box 47
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Record ID:0/517


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Cai, W., D. Bi, J. Church, T. Cowan, M. Dix, L. Rotstayn
Title:Pan-oceanic response to increasing anthropogenic aerosols: Impacts on the South Hemisphere oceanic circulation
Abstract:Examinations of the impact of anthropogenic aerosols on oceanic heat content have forcused largely on the global average response.
Location:5
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Record ID:0/518


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Clarke, A.D., S.R. Owens, J. Zhou
Title:An untrafine sea-salt flux from breaking waves: Implications for cloud condensation nuclei in the remote marine atmosphere
Abstract:Sea-salt aerosol (SSA) is an important constituent of natural marine aerosol to which anthropogenic aerosols must be compare when assessing their climatic influence.
Location:5
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Record ID:0/519


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
(18) Cumulonimbus
Author:Cui, Z., K.S. Carslaw, Y. Yin, S. Davies
Title:A numerical study of aerosol effects on the dynamics and microphysics of a deep convective cloud in a continential environment
Abstract:The effects of aerosols on a deep convective cloud in a midlatitude continental environment are studies using an axisymmetric cloud model with a sectional treatment of aerosol and hydrometeor microphysical processes.
Location:5
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Record ID:0/520


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Derimian, Y., A. Karnieli, Y.J. Kaufman, M.O. Andreae
Title:Dust and pollution aerosols over the Negev desert, Israel: Properties, transport, and radiative effect
Abstract:The complex spatial, temporal, and optical characteristics of atmospheric aerosls cause large uncertainties in the estimation of aerosol climate effects on climate.
Location:5
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Record ID:0/521


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Diehl, K., M. Simmel, S. Wurzler
Title:Numerical sensitivity studies on the impact of aerosol properties and drop freezing modes on the glaciation, microphysics, and dynamics of clouds
Abstract:Numerical simulations were performed to investigate the effects of drop freezing in immersion and contact modes for a convective simulation.
Location:5
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Record ID:0/522


Date:01/01/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Johnson, B.T., K.P. Shine, P.M. Forster
Title:The semi-direct aerosol effect: Impact of absorbing aerosols on marine stratocumulus
Abstract:Aerosols that absorb radiation may lead to a decrease of low-cloud cover and liquid-water patch (LW)), leading to a positive radiative forcing.
Location:5
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Record ID:0/523


Date:01/01/1999
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Khain, A., A. Pokrovsky, I. Sednev
Title:Some effects of cloud-aerosol interaction on cloud microphysics structure and precipitationf ormation: numerical experiments with a spectral microhysics cloud ensemble model
Abstract:A spectral microphysics Hebrew University Cloud Model (HUCM) is used to evaluate seom effects of cloud-aerosol interaction on mixed-phase cloud microphysics and aerosol particle size distribution in a region of...
Location:5
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Record ID:0/524


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Leroy, D., M. Monier, W. Wobrock, A.I. Flossmann
Title:A numerical study of the effects of the aerosol particle spectrum on the development of the ice phase and precipitation formation
Abstract:The aim of this work is to sudy the influence of pollution here considered in terms of the initial aerosol particle spectrum on the development of the ice phase and its contribution to precipitation formation.
Location:5
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Record ID:0/525


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Miller, R.L., R.V. Cakmur, J. Perlwitz, I.V. Geogdzhayev, P. Ginoux, D. Koch, K.E. Kohfeld, C. Prigent, R. Reudy, G.A. Schmidt, I. Tegen
Title:Mineral dust aerosols in the NASA Goddard Institute for Space Sciences ModelE atmospheric general circulation model
Abstract:We describe and updated model of the dust aerosol cycle embedded within the NASA Goddard Institute for Space Studies 'ModelE' atmospheric general circulation model (AGCM).
Location:5
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Record ID:0/526


Date:10/20/1992
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Parungo, F., B. Kopcewicz, C. Nagamoto, R. Schnell, P. Sheridan, C. Zhu, J. Harris
Title:Aerosol particles in the Kuwait oil fire plumes: Their morphology, size distribution, chemical composition, transport, and potential effect on climate
Abstract:Airborne aerosol samples were collected with an impactor in the Kuwait oil fire plumes in late May 1991.
Location:5
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Record ID:0/527


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Pierce, J.R., P.J. Adams
Title:Global evaluation of CCN formation by direct emission of sea salt and growth of ultrafine sea salt
Abstract:The contribution of both the sea-salt emissions and specifically the ultrafine (dry D_p < 0.1 micrometer) component of these emissions to global CCN is assed with a global model of aerosol microphysics.
Location:5
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Record ID:0/528


Date:11/01/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Pudovkin, M.I., S.V. Veretenenko, R. Pellinen, E. Kyro
Title:Cosmic ray variation effects in the temperature of the high-latitudinal atmosphere
Abstract:Dynamics of the temperature profiles, as well as the changes of other meteorological characteristics associated with the solar cosmic ray bursts with the particle energy E_p > 90 MeV have been examined, the data of soundings from...
Location:5
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Record ID:0/529


Date:11/01/1996
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Pudovkin, M.I., S.V. Veretenenko, R. Pellinen, E. Kyro
Title:Cosmic ray variation effects in the temperature of the high-latitudinal atmosphere
Abstract:Dynamics of the temperature profiles, as well as the changes of other meteorological characteristics associated with the solar cosmic ray bursts with the particle energy E_p > 90 MeV have been examined, the data of soundings from...
Location:5
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Record ID:0/530


Date:01/01/2004
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Rissler, J. E. Swietlicki, J. Zhou, G. Roberts, M.O. Andreae, L.V. Gatti, P. Artaxo
Title:Physical properties of the sub-mirometer aerosol over the Amazon rain forest during the wet-to-dry season transition--comparison of modeled and measured CCN concentrations
Abstract:Sub-micrometer atmospheric aerosol particles were studied in the Amazon region, 125 km northeast of Manaus, Brazil...
Location:5
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Record ID:0/531


Date:01/01/1985
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Vali, G.
Title:Nucleation terminology
Abstract:As the pace of research dealing with atmospheric water and ice nucleation accelerated over the past quarter of a centry, occasional miscommunication and frequent inclarity resulted from the variations in usage of terms...
Location:5
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Record ID:0/532


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(18) Cumulonimbus
Author:Wang, C.
Title:A modeling study of the response of tropical deep convection to the increase of cloud condensation nuclei concentration: 1. Dynamics and microphysics
Abstract:The responses of cloud physical processes of a developing tropical deep convection to the increase of CCN concentration have been studied using a three-dimensional cloud-resolving model.
Location:5
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Record ID:0/533


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(18) Cumulonimbus
Author:Wang, C.
Title:A modeling study of the response of tropical deep convection to the increase of cloud condensation nuclei concentration: 2. Radiation and tropospheric chemistry
Abstract:Following the discussion in a previous companion paper on the responses of cloud dynamics and microphysics to the changes in initial concentration of aerosols suitable of serving as cloud condensation nuclei (CCN),...
Location:5
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Record ID:0/534


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Wang, J., S.A. Christopher, U.S. Nair, J.S. Reid, E.M. Prins, J. Szykman, J.L. Hand
Title:Mesoscale modeling of Central American smoke transport to the United States: 1.
Abstract:As is typical in the Northern Hemisphere spring, during 20 April to 21 May 2003, significant biomass burning smoke from Central America was transported to the southeastern United States (SEUS).
Location:5
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Record ID:0/535


Date:03/20/1987
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Westphal, D.L., O.B. Toon, T.N. Carlson
Title:A two-dimensional numerical investigation of the dynamics and microphysics of Saharan dust storms
Abstract:Two-dimensional numerical simulations of the spatial and temporal distributions of Saharan dust size distributions over the desert and the eastern Atlantic Ocean are presented.
Location:2
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Record ID:0/536


Date:03/20/1995
Subject:(2) Aerosols & Aerosols (Scavenging)
(79) Cloud Resolving Modeling
Author:Zhao, J., O.B. Toon, R.P. Turco
Title:Origin of condensation nuclei in the springtime polar stratosphere
Abstract:An enhanced sulfate aerosol layer has been observed near 25 km accompanying sprintime ozone depletion in the Antarctic stratosphere.
Location:5
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Record ID:0/537


Date:01/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Gallet, Y., A. Genevey, F. Fluteau
Title:Does Earth's magnetic field secular variation control centennial centennial climate change?
Abstract:We obtained new archeointensity data from French faience potsherds data from the 17th to 19th century.
Location:5
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Record ID:0/538


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Gallet, Y., A. Genevey, M. Le Goff, F. Fluteau, S.A. Eshraghi
Title:Possible impact of the Earth's magnetic field on the history of ancient civilizations
Abstract:We report new archeointensity results from Iranian and Syrian archeological excavations dated from the second millenium BC.
Location:5
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Record ID:0/539


Date:01/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Courtillot, V., Y. Gallet, J.L. Le Mouel, F. Fluteau, A. Genevey
Title:Are there connections between the Earth's magnetic field and climate?
Abstract:Understanding climate change is an active topic of research. Much of the observed increase in global surface temperature over the past 150 years occurred prior to the 1940s and after the 1980s.
Location:5
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Record ID:0/540


Date:03/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Wang, Chien
Title:Impact of direct radiative forcing of black carbon aerosols on tropical convective precipitation
Abstract:The direct radiative forcing of black carbon (BC) aerosols is able to cause a significant change in tropical convective precipitation ranging from the Pacific and Indian Ocean to the Atlantic Ocean. This change occurs often well away from emission centers, demonstrating a “remote climate impact.”
Location:http://www.agu.org/pubs/current/gl/
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Record ID:0/541


Date:03/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Fischer, E. M.; Luterbacher, J.; Zorita, E.; Tett, S. F. B.; Casty, C.; Wanner, H.
Title:European climate response to tropical volcanic eruptions over the last half millennium
Abstract:We analyse the winter and summer climatic signal following 15 major tropical volcanic eruptions over the last half millennium based on multi-proxy reconstructions for Europe. During the first and second post-eruption years we find significant continental scale summer cooling and somewhat drier conditions over Central Europe.
Location:http://www.agu.org/pubs/current/gl/
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Record ID:0/542


Date:03/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Fischer, E. M.; Luterbacher, J.; Zorita, E.; Tett, S. F. B.; Casty, C.; Wanner, H.
Title:European climate response to tropical volcanic eruptions over the last half millennium
Abstract:We analyse the winter and summer climatic signal following 15 major tropical volcanic eruptions over the last half millennium based on multi-proxy reconstructions for Europe. During the first and second post-eruption years we find significant continental scale summer cooling and somewhat drier conditions over Central Europe.
Location:http://www.agu.org/pubs/current/gl/
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Record ID:0/543


Date:12/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Mochida M., M. Kuwata, T. Miyakawa, N. Takegawa, K. Kawamura, Y. Kondo
Title:Relationship between hygroscopicity and cloud condensation nuclei activity for urban aerosols in Tokyo,
Abstract:As described by the Köhler theory, the hygroscopicity of atmospheric aerosol particles is a key factor regulating their cloud condensation nuclei (CCN) activity. Here we investigated the relationship between hygroscopicity and CCN activity for urban aerosol particles using a hygroscopicity tandem differential mobility analyzer (HTDMA) coupled in series to a CCN counter.
Location:http://www.agu.org/servlet/EASI/search
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Record ID:0/544


Date:07/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Tafuro, A.M. F. Barnaba, F. De Tomasi, M.R. Perrone and G.P. Gobbi
Title:Saharan dust particle properties over the central Mediterranean
Abstract:AERONET sun photometer measurements performed at five different sites of the Central Mediterranean during strong Saharan dust outbreaks are used to characterize optical and physical properties of dust particles.
Location:http://www.sciencedirect.com/science?_ob=PublicationURL&_tockey=%23TOC%235889%232006%23999189998%23626058%23FLA%23&_cdi=5889&_pubType=J&view=c&_auth=y&_acct=C000053133&_version=1&_urlVersion=0&_userid=1493582&md5=7ba40f2b28dfb69ce01952a32cf69823
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Record ID:0/545


Date:12/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Luts, A., T.-E. Parts and M. Vana
Title:New aerosol particle formation via certain ion driven processes
Abstract:Ions can speed up the formation of aerosol particles. The former studies have mainly concerned on the role of the ion charge itself. We have studied the possible (additional) role of the actual small air ion spectrum shape, and the quantitative role of ion–ion recombination pathway
Location:http://www.sciencedirect.com/science?_ob=PublicationURL&_cdi=5889&_pubType=J&_auth=y&_acct=C000053133&_version=1&_urlVersion=0&_userid=1493582&md5=ea28343ccb8fbaf801011deb0049662d&jchunk=82#82
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Record ID:0/546


Date:12/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Smirnov, V.V., A.V. Savchenko
Title:Resources of the ionized atmosphere as an aerosol source
Abstract:The potential resources on the ion-stimulated syntheses effects of aerosol particles of lower troposphere in test sites in the arctic, mountain, arid and forest areas as the function of irradiation time and gas-precursor concentration were experimentally and theoretically evaluated.
Location:http://www.sciencedirect.com/science?_ob=PublicationURL&_cdi=5889&_pubType=J&_auth=y&_acct=C000053133&_version=1&_urlVersion=0&_userid=1493582&md5=ea28343ccb8fbaf801011deb0049662d&jchunk=82#82
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Record ID:0/547


Date:01/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Huang, Y., W.L. Chameides, R.E. Dickinson
Title:Direct and indirect effects of anthropogenic aerosols on regional precipitation of east Asia
Abstract:A regional coupled climate-chemistry-aerosol model is developed.
Location:5
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Record ID:0/548


Date:01/15/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Makin, V.K.
Title:Air-sea exchange of heat in the presence of wind waves and spray
Abstract:Wave extract a considerable part of the surface stree. While breaking, they eject spray into the atmosphere.
Location:5
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Record ID:0/549


Date:11/01/1998
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Andreas, E.L.
Title:A new sea spray generation function for wind speeds up to 32 m s^-1
Abstract:The sea spray generation function quantifies the rate at which spray droplets of a given size are produced at the sea surface.
Location:5
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Record ID:0/550


Date:01/01/2006
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Petters, M.D., A.J. Prenni, S.M. Kreidenweis, P.J. DeMott, A. Matsunaga, Y.B. Lim, P.J. Ziemann
Title:Chemical aging and the hydrophobic-to-hydroplilic conversion fo carbonaceous aerosol
Abstract:Laboratory experiments simulating chemical aging of carbonaceous aerosol by atmospheric oxidants demonstrate that oxidative processing increases their ability to activate as cloud droplets.
Location:5
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Record ID:0/551


Date:01/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
(52) Orographic Clouds
Author:Lynn, B., A. Khain, D. Rosenfeld, W.L. Woodley
Title:Effects of aerosol on precipitation from orographic clouds
Abstract:Recent observational and numerical studies demonstrate a significant effect of aerosol particles on precipitation amount and spatial distribution...
Location:5
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Record ID:0/552


Date:01/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Langmann, B.
Title:A model study of smoke-haze influence on clouds and warm precipitation formation in Indonesia 1997/1998
Abstract:In the last few decades, fire and smoke-haze occurrence increased in Indonesia by intentionally set land clearing fires and higher fire susceptbility of distrubed forests.
Location:5
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Record ID:0/553


Date:10/01/1991
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hudson, J.G., P.R. Frisbie
Title:Surface cloud condensation nuclei and condensation nuclei measurements at Reno, Nevada
Abstract:Surface aerosol measurements from a moderately populated high mountain valley are interpreted in terms of local wind velocity and meteorology.
Location:2
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Record ID:0/554


Date:07/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Fan, Jiwen; Zhang, Renyi; Li, Guohui; Tao, Wei-Kuo
Title:Effects of aerosols and relative humidity on cumulus clouds
Abstract:The influences of the aerosol type and concentration and relative humidity (RH) on cumulus clouds have been investigated using a two-dimensional spectral-bin cloud model.
Location:5
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Record ID:0/555


Date:07/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Helmert, J.; Heinold, B.; Tegen, I.; Hellmuth, O.; Wendisch, M.
Title:On the direct and semidirect effects of Saharan dust over Europe: A modeling study
Abstract:On the basis of a new regional dust model system, the sensitivity of radiative forcing to dust aerosol properties and the impact on atmospheric dynamics were investigated.
Location:5
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Record ID:0/556


Date:07/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Muhs, Daniel R.; Budahn, James; Reheis, Marith; Beann, Jossh; Skipp, Gary, Fisher, Eric
Title:Airborne dust transport to the eastern Pacific Ocean off southern California: Evidence from San Clemente Island
Abstract:Islands are natural dust traps, and San Clemente Island, California, is a good example. Soils on marine terraces cut into Miocene andesite on this island are clay-rich Vertisols or Alfisols with vertic properties.
Location:http://www.agu.org/pubs/current/jd/?month=July
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Record ID:0/557


Date:01/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Zhang, H., G.M. McFarquhar, S.M. Saleeby, W.R. Cotton
Title:Impacts of Saharan dust as CCN on the evolution of an idealized tropical cyclone
Abstract:The impact of dust in the Sarahan Air Layer (SAL) acting as cloud condensation nuclei (CCN) on the evolution of a tropical cyclone (TC) was examined by conducting simulations initialized with an idealized pre-TC...
Location:Reprints Box 47
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Record ID:0/558


Date:05/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Lasher-Trapp, Sonia, Justin P. Stachnik
Title:Giant and Ultragiant Aerosol Particle Variability over the Eastern Great Lakes Region
Abstract:Numerous studies have indicated the potential for giant and ultragiant aerosol particles to expedite the warm-rain process as a result of their extreme sizes.
Location:http://ams.allenpress.com/perlserv/?request=get-toc&issn=1558-8432&volume=46&issue=5
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Record ID:0/559


Date:02/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Stroud, Craig A., Athanasios Nenes, Jose L. Jimenez, Peter F. DeCarlo, J. Alex Huffman, Roelof Bruintjes, Eiko Nemitz, Alice E. Delia, Darin W. Toohey, Alex B. Guenther, Sreela Nandi
Title:Cloud Activating Properties of Aerosol Observed during CELTIC
Abstract:Measurements of aerosol size distribution, chemical composition, and cloud condensation nuclei (CCN) concentration were performed during the Chemical Emission, Loss, Transformation, and Interactions with Canopies (CELTIC) field program at Duke Forest in North Carolina.
Location:http://ams.allenpress.com/perlserv/?request=get-toc&issn=1520-0469&volume=64&issue=2
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Record ID:0/560


Date:01/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Richardson, Mathews S., Paul J. DeMott, Sonia M. Kreidenweis, Daniel J. Cziczo, Edward J. Dunlea, Jose L. Jimenez, David S. Thomson, Lowell L. Ansbaugh, Randolp d. Borys, Dougls L. Westphal, Gary S. Casuccio, Traci L. Lersch
Title:Measurements of heterogeneous ice nuclei in the western United States in springtime and their relation to aerosol characteristics,
Abstract:The second Ice Nuclei Spectroscopy (INSPECT-II) campaign was conducted at Storm Peak Laboratory in northwestern Colorado in April and May 2004.
Location:http://www.agu.org/pubs/
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Record ID:0/561


Date:01/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
(45) Microphysics - Ice Phase
Author:Richardson, Mathews S., Paul J. DeMott, Sonia M. Kreidenweis, Daniel J. Cziczo, Edward J. Dunlea, Jose L. Jimenez, David S. Thomson, Lowell L. Ansbaugh, Randolp d. Borys, Dougls L. Westphal, Gary S. Casuccio, Traci L. Lersch
Title:Measurements of heterogeneous ice nuclei in the western United States in springtime and their relation to aerosol characteristics,
Abstract:The second Ice Nuclei Spectroscopy (INSPECT-II) campaign was conducted at Storm Peak Laboratory in northwestern Colorado in April and May 2004.
Location:5
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Record ID:0/562


Date:01/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Xie, Z., J. D. Blum, S. Utsunomiya, R. C. Ewing, X. Wang, and L. Sun
Title:Summertime carbonaceous aerosols collected in the marine boundary layer of the Arctic Ocean,
Abstract:The chemistry, morphology, and microscale to nanoscale structures of carbonaceous aerosols from the marine boundary layer of the Arctic Ocean were investigated by a variety of electron microscopy techniques, including scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), and energy-dispersive X-ray spectroscopy (EDS).
Location:http://www.agu.org/contents/journals/ViewJournalContents.do;jsessionid=41BC0AA977DB8941D682A4C56FE4A4BA?journalCode=JD&viewBy=date&year=2007&month=Jan&sortBy=pubDate
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Record ID:0/563


Date:04/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Norris, J. R., and M. Wild
Title:Trends in aerosol radiative effects over Europe inferred from observed cloud cover, solar “dimming,” and solar “brightening”,
Abstract:We examine multidecadal changes in surface downward shortwave (SW) radiation flux, total cloud cover, SW cloud effect, and related parameters over Europe during 1965–2004 using monthly gridded data from the Global Energy Balance Archive (GEBA), synoptic cloud reports, and the International Satellite Cloud Climatology Project (ISCCP).
Location:5
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Record ID:0/564


Date:04/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Kavouras, I. G., V. Etyemezian, J. Xu, D. W. DuBois, M. Green, and M. Pitchford
Title:Assessment of the local windblown component of dust in the western United States
Abstract:We estimated the contributions of windblown dust from nearby area sources to dust concentrations at Class I areas in the western United States including Alaska and Hawaii. The approach utilized multivariate linear regression of dust concentrations against categorized wind conditions (wind direction and speed) for all 2001–2003 data for 70 Interagency Monitoring of Protected Visual Environments sites
Location:5
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Record ID:0/565


Date:05/02/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Rotstayn, Leon D., Wenju Cai, Martin R. Dix, Graham D. Farquhar, Yan Feng, Paul Ginoux, Michael Herzog, Akinori Ito, Joyce E. Penner, Michael L. Roderick, Minghuai Wang
Title:Have Australian rainfall and cloudiness increased due to the remote effects of Asian anthropogenic aerosols?,
Abstract:There is ample evidence that anthropogenic aerosols have important effects on climate in the Northern Hemisphere but little such evidence in the Southern Hemisphere. Observations of Australian rainfall and cloudiness since 1950 show increases over much of the continent.
Location:5
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Record ID:0/566


Date:05/09/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Bryant, R. G., G. R. Bigg, N. M. Mahowald, F. D. Eckardt, and S. G. Ross
Title:Dust emission response to climate in southern Africa,
Abstract:The processes which act in mineral dust source regions and factors which contribute to interannual variability within dust plumes emanating from them are poorly understood.
Location:5
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Record ID:0/567


Date:05/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Bäumer, D., U. Lohmann, G. Lesins, J. Li, and B. Croft
Title:Parameterizing the optical properties of carbonaceous aerosols in the Canadian Centre for Climate Modeling and Analysis Atmospheric General Circulation Model with impacts on global radiation and energy fluxes,
Abstract:Parameterizations of the optical properties of black carbon (BC) and organic carbon (OC) aerosols in an external mixture are presented. The parameterizations in terms of look-up tables are based on exact Mie calculations for a high number of wavelengths and values of the relative humidity.
Location:http://www.agu.org/contents/journals/ViewJournalContents.do;jsessionid=01D005E44792171F364DF01C29A87B71?journalCode=JD&viewBy=date&year=2007&month=May&sortBy=pubDate
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Record ID:0/568


Date:04/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Shaw, G. E.
Title:Aerosols at a mountaintop observatory in Arizona
Abstract:This paper discusses physics of aerosols measured at the summit of Mt. Lemmon, Arizona (2790 m), from February to May 2002, where “clean” air representative of the free troposphere sometimes occurs.
Location:http://www.agu.org/contents/journals/ViewJournalContents.do;jsessionid=A62AE7C64BD736A2FBD7020A9CE9D38F?journalCode=JD&viewBy=date&year=2007&month=Apr&sortBy=pubDate
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Record ID:0/569


Date:05/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Ghan, S. J., and R. A. Zaveri
Title:Parameterization of optical properties for hydrated internally mixed aerosol
Abstract:The optical properties of an internally mixed aerosol with a lognormal size distribution can be approximated in terms of analytic functions of the wet surface mode radius with coefficients that can be related to the wet refractive index.
Location:http://www.agu.org/contents/journals/ViewJournalContents.do?journalCode=JD&viewBy=date&year=2007&month=May&sortBy=pubDate
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Record ID:0/570


Date:06/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Sotiropoulou, R. P., A. Nenes, P. J. Adams, and J. H. Seinfeld
Title:Cloud condensation nuclei prediction error from application of Köhler theory: Importance for the aerosol indirect effect,
Abstract:In situ observations of aerosol and cloud condensation nuclei (CCN) and the GISS GCM Model II' with an online aerosol simulation and explicit aerosol-cloud interactions are used to quantify the uncertainty in radiative forcing and autoconversion rate from application of Köhler theory.
Location:http://www.agu.org/contents/journals/ViewJournalContents.do?journalCode=JD&viewBy=date&year=2007&month=Jun&sortBy=pubDate
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Record ID:0/571


Date:06/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Reddy, M. S., and O. Boucher
Title:Climate impact of black carbon emitted from energy consumption in the world's regions,
Abstract:We have used the Laboratoire de Me´te´orologie Dynamique General Circulation Model (LMD GCM) to estimate the contribution of different regions to global black carbon (BC) atmospheric burden and direct radiative forcing (DRF).
Location:5
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Record ID:0/572


Date:01/01/1979
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Hirschboeck, K.K.
Title:A new worldwide chronology of volcanic eruptions
Abstract:A chronological enumeration of colcanic eruptions from around the world is used to describe temporal and spatial variations in historical volcanism.
Location:5
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Record ID:0/573


Date:02/20/1982
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Newhall, C.G., S. Self
Title:The volcanic explosivity index (VEI): An esimate of explosive manitude for historical volcanism
Abstract:Knowledge of the frequencies of highly explosive, moderately explosive, and nonexplosive eruptions would be useful in a variety of volcano studies.
Location:5
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Record ID:0/574


Date:01/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Yu, H., R. Fu, R.E. Dickinson, Y. Zhang, M. Chen, H. Wang
Title:Interannual variability of smoke and warm cloud relationships in the Amazon as inferred from MODIS retrievals
Abstract:Aerosol and cloud data from the MODerate resolution Imagining Spectroradiometer (MODIS) onbard the Earth Observing System (EOS) Aqua are used to investigate interannual variability of smoke and warm cloud...
Location:5
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Record ID:0/575


Date:01/01/2007
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Cheng, C.-T., W-C. Wang, and J-P. Chen
Title:A modelling study of aerosol impacts on cloud microphysics and radiative properties
Abstract:A warm cloud microphysical parameterization was incorporated into a regional model to study the sensitivity to aerosols of cloud-radiative properties and precipitation.
Location:0
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Record ID:0/576


Date:06/01/2008
Subject:(2) Aerosols & Aerosols (Scavenging)
(12) Climate
Author:Khain, A.P., N. BenMoshe, A. Pokrovsky
Title:Factors determining the impact of aerosols on surface precipitation from clouds: An attempt at classification
Abstract:The simulation of the dynamics and the microphysics of clouds observed during the Large-Scale Biosphere-Atmsophere Experiment in Amazonia--Smoke, Aerosols, Clouds, Rainfall, and Climate (LBA-SMOCC) campaign...
Location:1
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Record ID:0/577


Date:01/01/2008
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Bell, T.L., D. Rosenfeld, K-M. Kim, J-M. Yoo, M-I. Lee, and M. Hahnenberger
Title:Midweek increase in U.S. summer rain and storm heights suggests air pollution invigorates rainstorms
Abstract:Tropical Rainfall Measuring Mission (TRMM) satellite estimates of summertime rainfall over the southeast U.S. are found on average to be signficantly higher during the middle of the work week than on weekends, attributable to midweek intensification of afternoon storms and an increase in area with detectable rain.
Location:0
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Record ID:0/578


Date:04/01/2005
Subject:(2) Aerosols & Aerosols (Scavenging)
Author:Magi, B.I., P.V. Hobbs, T.W. Kirchstetter, T. Novakov, D.A. Hegg, S. Gao, J. Redemann, B. Schmid
Title:Aerosol properties and chemical apportionment of aerosol opticla depth at locations off the U.S. East Coast in July and August 2001
Abstract:Airborne in situ measurements of vertical profiles of the aerosol light scattering coefficient, light absprption coefficient, and single scattering albedo (omega sub 0) are presented for locations off the East Coast of the United States in July-August 2001.
Location:0
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Record ID:0/579


Date:12/1/1979
Subject:(4) Aggregation
Author:Stephens, M.A.
Title:A simple ice phase parameterization.
Abstract:A two variable ice parameterization ws developed for use in three-dimensional models of cumulonimbus clouds and mesoscale squall lines.
Location:0
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Record ID:0/580


Date:7/1/1979
Subject:(4) Aggregation
Author:Sasyo, Y.
Title:Study of the formation of precipitation by the aggregation of snow particles and the accretion of cloud droplets on snowflakes.
Abstract:Taking stereographical photographs of falling snow particles with a stroboflash, the author has investigated statistically the motion of snow particles in a population in order to determine the collision rate of snow particles, and then proceeded to the study of the formation of snowflakes based on the collision rate thus obtained.
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Record ID:0/581


Date:8/1/1970
Subject:(4) Aggregation
Author:Ohtake, T.
Title:Factors affecting the size distribution of raindrops and snowflakes.
Abstract:Many observations have been made of size distributions of raindrops, aggregated snowflakes, graupel and hailstones under various meteorological conditions.
Location:Citation Only, Full Text Not In Library
Record ID:0/582


Date:5/1/1978
Subject:(4) Aggregation
Author:Passarelli, R.E. Jr.
Title:Theoretical and observational study of snow-size spectra and snowflake aggregation efficiencies.
Abstract:Mean snowflake collection efficiencies can be estimated by studying the height evolution of snow-size spectra in natural precipitation.
Location:Citation Only, Full Text Not In Library
Record ID:0/583


Date:5/1/1983
Subject:(4) Aggregation
Author:Lo, K.-W.K.
Title:Growth processes of snow.
Abstract:The growth of snow in winter storms is studied via observational and theoretical techniques.
Location:0
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Record ID:0/584


Date:7/1/1976
Subject:(4) Aggregation
Author:Koenig, L.R., F.W. Murray
Title:Ice-bearing cumulus cloud evolution: Numerical simulation and general comparison against observations.
Abstract:A two-dimensional numerical cloud model with parameterized microphysics for water drops and ice particles is described.
Location:Citation Only, Full Text Not In Library
Record ID:0/585


Date:1/1/1977
Subject:(4) Aggregation
Author:Koenig, L.R.
Title:The rime-splintering hypothesis of cumulus glaciation examined using a field-of-flow cloud model.
Abstract:A mathematical experiment was conducted to test the hypothesis that the occurrence of unexpectedly large concentrations of ice particles in certain clouds is caused by the production of small ice particles during the riming of mother ice particles.
Location:Citation Only, Full Text Not In Library
Record ID:0/586


Date:12/1/1971
Subject:(4) Aggregation
Author:Jiusto, J.E., G.E. Bosworth
Title:Fall velocity of snowflakes.
Abstract:While the fall velocity of individual type crystals of symmetric form is reasonably well known, that of snowflakes is somewhat less certain.
Location:0
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Record ID:0/587


Date:1/1/1971
Subject:(4) Aggregation
Author:Jiusto, J.E.
Title:Crystal development and glaciation of a supercooled cloud.
Abstract:An unsophisticated numerical model was developed to estimate the growth of ice crystals and the glaciation rate of supercooled clouds as a function of updraft speed and ice nucleus concentration.
Location:0
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Record ID:0/588


Date:1/1/1960
Subject:(4) Aggregation
Author:Hosler, C.L., R.E. Hallgren
Title:The aggregation of small ice crystals.
Abstract:The growth of small aggregates of ice crystals has been observed between -6C and -25C by mounting an ice sphere in a moving cloud of ice crystals.
Location:0
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Record ID:0/589


Date:1/31/1960
Subject:(4) Aggregation
Author:Hosler, C.L., R.E. Hallgren
Title:The growth of small aggregates of ice crystals.
Abstract:An experimental study of the growth of aggregates of ice crystals as a function of temperature, vapor pressure, size of the collector and fall velocity of the collector was carried out in a cold chamber.
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Record ID:0/590


Date:10/1/1957
Subject:(4) Aggregation
Author:Hosler, C.L., D.C. Jensen, L. Goldshlak
Title:On the aggregation of ice crystals to form snow.
Abstract:Manipulation of spheres of ice and observations of ice crystals colliding with a fixed crystal under conditions of controlled temperature and vapor pressure have been employed to determine the limiting conditions for the aggregation of ice crystals to form snow flakes.
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Record ID:0/591


Date:9/1/1971
Subject:(4) Aggregation
Author:Holroyd, E.W. III
Title:Snowfall redistribution
Abstract:Redistribution of snowfall in one of the goals of cloud seeding in the Great Lakes project.
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Record ID:0/592


Date:5/20/1974
Subject:(4) Aggregation
Author:Hobbs, P.V., S. Chang, J.D. Locatelli
Title:The dimensions and aggregation of ice crystals in natural clouds.
Abstract:From ice particles collected in clouds and at ground stations in the Cascade Mountains during two winter seasons, measurements have been obtained of the lengths and widths of needles and columnar crystals and the thicknesses and diameters of hexagonal plates.
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Record ID:0/593


Date:6/1/1960
Subject:(4) Aggregation
Author:Higuchi, K.
Title:On the coalescence between plane snow crystals.
Abstract:The calculation of the probability of coalescence between two plane snow crystals is described in detail.
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Record ID:0/594


Date:1/1/1960
Subject:(4) Aggregation
Author:Hallgren, R.E., C.L. Hosler
Title:Preliminary results on the aggregation of ice crystals.
Abstract:A brief description of the experimental apparatus and procedure is given.
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Record ID:0/595


Date:12/1/1986
Subject:(4) Aggregation
Author:Finnegan, W.G., R.L. Pitter
Title:On the formation of electric multipoles in growing ice crystals.
Abstract:The existence of electric multipoles in growing ice crystals has been confirmed by laboratory studies of ice crystal aggregation.
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Record ID:0/596


Date:09/1/1982
Subject:(4) Aggregation
(21) Cumulus Dynamics
Author:Cotton, W.R., M.A. Stephens, T. Nehrkorn, G.J. Tripoli
Title:The Colorado State University three-dimensional cloud/mesoscale model - 1982. Part II: An ice phase parameterization.
Abstract:A parameterization of ice-phase precipitation processes is described.
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Record ID:0/597


Date:9/1/1980
Subject:(4) Aggregation
Author:Tripoli, G.J., W.R. Cotton
Title:A numerical investigation of several factors contributing to the observed variable intensity of deep convection over South Florida.
Abstract:This study employs a revised version of the Colorado State University three-dimensional numerical cloud scale model to investigate the observed behavior of deep convection over South Florida on 17 July 1973.
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Record ID:0/598


Date:11/1/1972
Subject:(4) Aggregation
Author:W.R. Cotton
Title:Numerical simulation of precipitation development in supercooled cumuli. Part II.
Abstract:A numerical model of supercooled cumuli is developed and discussed.
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Record ID:0/599


Date:09/01/1982
Subject:(4) Aggregation
(21) Cumulus Dynamics
Author:Tripoli, G.J., W.R. Cotton
Title:The Colorado State University three-dimensional cloud/mesoscale model-1982. Part I: General theoretical framework and sensitivity experiments
Abstract:The current formulation of the Colorado State Univeristy cloud/mesoscale model is described.
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Record ID:0/600


Date:08/01/1981
Subject:(5) Air Pollution
Author:Bornstein, R.D., W.T. Thompson
Title:Effects of frictionally retarded sea breeze synoptic frontal passages on sulfur dioxide concentrations in New York City
Abstract:Temporal changes in the spatial distribution of sulfur dioxide concentrations in New York City resulting from the passage of sea breeze and synoptic fronts were studied using data from the New York University New York City Urban Air Pollution Data Set. Results show that upwind portions of New York City experience decreasing concentrations with the passage of sea breeze fronts, while downwind portions experience
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Record ID:0/601


Date:10/01/1987
Subject:(5) Air Pollution
Author:Dop, V.H., J.F. Den Tonkelaar, F.E.J. Briffa
Title:A modeling study of atmospheric transport and photochemistry in the mixed layer during anticyclonic episodes in Europe. Part I: Meteorology and air trajectories
Abstract:A climatological study has been carried out of the occurrence and properties of a large number of dry and sunny spells in recent summers (1976-83).
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Record ID:0/602


Date:05/01/1984
Subject:(5) Air Pollution
Author:Fosberg, M.A.
Title:Transport and diffusion in the transition layer and planetary boundary layer for drainage flows in Anderson and Putah Creeks, California, during ASCOT 1980,.
Abstract:Approximately 100 constant-volume, superpressured balloons (tetroons) were tracked in the Anderson and Putah Creek drainages of the geysers geothermal area of northern California as part of the ASCOT
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Record ID:0/603


Date:07/01/1990
Subject:(5) Air Pollution
Author:Guenther, A., B. Lamg, D. Stock
Title:Three-dimensional numerical simulation of plume downwash with a k-e turbulence model
Abstract:Plume downwash at a large oil-gathering facility in the Prudhoe Bay, Alaska oil-field reservation was simulated in a series of numerical experiments. The purpose of this study was to investigate
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Record ID:0/604


Date:01/01/1983
Subject:(5) Air Pollution
Author:Irwin, J.S.
Title:Estimating plume dispersion--A comparison of several sigma schemes
Abstract:The lateral and vertical Gaussian plume dispersion parameters are estimted and compared with field tracer data collected at 11 sites. The dispersion parameter schemes used in this analysis include Cramer's scheme, suggested for tall stack dispersion
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Record ID:0/605


Date:06/01/1986
Subject:(5) Air Pollution
Author:Kitada, T., K. Igarashi, M. Owadd
Title:Numerical analysis of sir pollution in a combined field of land/sea breeze and mountain/valley wind.
Abstract:Air pollution in the presence of two types of local flows (i.e., land/sea breeze and mountain/valley wind) as studied by advection simulation of the cluster of hypothetical fluid particles, and transport/chemistry calculation employing a three-dimensional Eulerian model for 20 advected species and about 90 chemical reactions
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Record ID:0/606


Date:04/01/1990
Subject:(5) Air Pollution
Author:Kurita, H., H. Ueda, S. Mitsumoto
Title:Combination of local wind systems under light gradient wind conditions and its contribution to the long-range transport of air pollutants
Abstract:The meteorological structure and transport of air pollutants from the coastal region to the mountainous island region were investigated using joing field
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Record ID:0/607


Date:05/01/1985
Subject:(5) Air Pollution
Author:Kurita, H. K. Sasaki, H. Muroga, H. Ueda, S. Wakamatsu
Title:Long-range transport of air pollution under light gradient wind conditions
Abstract:The long-range transport of air pollution on clear days under light gradient wind conditions is investigated from an analysis of all days with high oxidant concentrations inf 1979 at locations in central Japan that are far from pollutant sources. Surface
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Record ID:0/608


Date:07/01/1987
Subject:(5) Air Pollution
Author:Lamb, R.G., S.K. Hati
Title:The representation of atmospheric motion in models of regional-scale pollution
Abstract:A method is developed for generating ensembles of wind fields for use in regional scale (1000 km) models of transport and diffusion. The underlying objective is a methodology for representing atmospheric motion in applied air pollution models that permits explict treatment of the uncertainty inheretnt in the
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Record ID:0/609


Date:07/01/1981
Subject:(5) Air Pollution
Author:McNaughton, D.J., C.M. Berkowitz, R.C. Williams
Title:A diagnostic analysis of a long-term regional air pollutant transport model
Abstract:Predicted concedntrations from the Regional Air Pollutant Transport (RAPT) model are compared with the corresponding observed values of sulfate, and the restuls used to define strengths and weaknesses in the model formulation. RAPT was developed to provide long-term (i.e., monthly) average vlaues of pollutants. It has hourly time steps, and incorporates a number of simplifying
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Record ID:0/610


Date:11/01/1981
Subject:(5) Air Pollution
Author:McRae, G.J., F.H. Sahir, J.H. Seinfeld
Title:Convective downmixing of plumes in a coastal environment
Abstract:This paper describes the results of an atmospheric tracer study in which sulfur hexaflouride (SF_6) was used to investigate the transport and dispersion of effluent from a power plant located in a coastal environment. The field study demonstrated that material emitted into an elevated stable layer at night can be transported out over the ocean, fumigated to the surface
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Record ID:0/611


Date:07/01/1992
Subject:(5) Air Pollution
Author:Paumier, J.O., S.G. Perry, D.J. Burns
Title:A dispersion model for sources near complex topography. Part II: Performance characteristics
Abstract:The Complex Terrain Model (CTDMPLUS), described in Part I of this paper was evaluated using the SO_2 field-study data from the Lovett generating station in southeastern
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Record ID:0/612


Date:07/01/1992
Subject:(5) Air Pollution
Author:Perry, S.G.
Title:CTDMPLUS: A dispersion model for sources near complex topography. Part I: Technical formulations
Abstract:The complex terrain dispersion model (CTDMPLUS), a point-source, steady-state model for complex-terrain applications, is described. The model simulates the folow and plume distortion near user-selected, three-dimensional terrain features
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Record ID:0/613


Date:12/01/1986
Subject:(5) Air Pollution
Author:Pueschel, R.F., C.C. Van Valin, R.C. Castillo, J.A. Kadlecek, E. Ganor
Title:Aerosols in polluted versus nonpolluted air masses: Long-range transport and effects on clouds
Abstract:Two datasets were used to investigate the potential presence of urban-related precipitation anomalies in the fall, winter, and spring seasons at St Louis, MO
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Record ID:0/614


Date:12/01/1986
Subject:(5) Air Pollution
Author:Pueschel, R.F., C.C. VanValin, R.C. Castillo
Title:Aerosols in polluted versus nonpolluted air masses: Long-range transport and effects on clouds
Abstract:To assess the influence of anthropogenic aerosols on the physics and chemistry of clouds in the northeastern United States, aerosol and cloud-drop size distributions, elemental composition of aerosols
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Record ID:0/615


Date:01/01/1984
Subject:(5) Air Pollution
Author:Schatzmann, M., A.J. Policastro
Title:Effects of the Boussinesq approximation on the results of strongly-buoyant plume calculations
Abstract:Nearly all mathematical models which are commonly used to predict the dispersion of chimney gases in the atmosphere or heated water discharges in the aquatic environment employ the so-called Boussinesq approximation
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Record ID:0/616


Date:01/01/1993
Subject:(5) Air Pollution
Author:Schumann, U.
Title:Transport asymmetry in skewed convective circulations
Abstract:Two simple kinematical models are used to describe the asymmetry in bottom-up and top-down diffusion in the convective boundary layer. Both models resolve the mean circulation with narrow updrafts and wider downdrafts but differ in the treatment of horizontal branches of the circulation. The models indicate that the transport asymmetry arises from the
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Record ID:0/617


Date:00/00/1981
Subject:(5) Air Pollution
Author:Seigneur, C., T.W. Tesche, P.M. Roth, L.E. Reid
Title:Sensitivity of a complex urban air quality model to input data
Abstract:In recent years, urban-scale photochemical simulation models have been developed that are of practical value for predicting air quality and analyzing the impacts of alternative emission control strategies. Although the performance of some urban-scale models appears to be acceptable, the demanding data requirements of such
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Record ID:0/618


Date:10/01/1987
Subject:(5) Air Pollution
Author:Selby, K.
Title:A modeling study of atmospheric transport and photochemistry in the mixed layer during anticyclonic episodes in Europe. Part II: Calculations of photooxidant levels along air trajectories
Abstract:A computer model for photochemical oxidant formation in the atmospheric boundary layer has been used to calculate trends in ozone formation in air masses traveling across Europe
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Record ID:0/619


Date:05/01/1983
Subject:(5) Air Pollution
Author:Shaw, G.E.
Title:On the aerosol particle size distribution spectrum in Alaskan air mass systems: Arctic haze and non-haze episodes
Abstract:Aerosols in central Alaskan winter air mass systems were classified according to size by diffusive separation and light-scattering spectrometry. Particles entering central Alaska from the Pacific Marine environment has number concentrations ranging from 300 to 2000 cm^-3
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Record ID:0/620


Date:05/01/1993
Subject:(5) Air Pollution
Author:Sykes, R.I., D.S. Parker, W.S. Lewellen
Title:Numerical simulation of ANATEX tracer data using a turbulence closure model for long-range dispersion
Abstract:A long-range transport model based on turbulence closure is described. The model extends the description of planetary boundary layer turbulent diffusion to the larger scales and uses statistical wind information to predict contaminant dispersion. The model also
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Record ID:0/621


Date:10/01/1983
Subject:(5) Air Pollution
Author:Terliuc, B., E. Asculai, E. Doron
Title:The use of comprehensive aerological no-lift balloons to determine relatively long-term dry-air parcel trjectories
Abstract:A method to compensate the loss of buoyancy due to gas leakage from aerological no-lift balloons is presented. The method is implemented by means of a double vessel device that supplies a constant liquid outflow at constant temperature. It is shown that
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Record ID:0/622


Date:07/01/1993
Subject:(5) Air Pollution
Author:Wang, L-P., D.E. Stock
Title:Dispersion of heavy particles by turbulent motion
Abstract:Accurate prediction of heavy particle dispersion in turbulent flow requires a simultaneous consideration of particle's inertia and particle's drift velocity. A mathematically simple and physically comprehensive analysis was developed to solve the dispersion satistics of heavy particles in a homogeneous and isotropic
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Record ID:0/623


Date:02/01/1990
Subject:(5) Air Pollution
Author:Weil, J.C.
Title:A diagnosis of the assymmetry in top-down and bottom-up diffusion using Lagrangian stochastic model
Abstract:A Lagrangian stochastic model of particle trajectories is used to investigate the assymmetry in vertical diffusion from area sources at the bottom and top of an inhomogeneous boundary layer. Such an assymmetry
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Record ID:0/624


Date:09/01/1986
Subject:(5) Air Pollution
Author:Whiteman, C.D., S. Barr
Title:Atmospheric mass transport by along-valley wind systems in a deep Colorado Valley
Abstract:Hourly tethered-balloon wind soundings from the 650-m deep, narrow, Brush Creek Valley of Colorado area analyzed to determine the nocturnal atmospheric mass (or volume) budget of the valley. Under the
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Record ID:0/625


Date:08/01/1994
Subject:(5) Air Pollution
(41) Mesoscale Meteorology
Author:Lu, R., R.P. Turco.
Title:Air pollutant transport in a coastal environment. Part I: Two-dimensional simulations of sea-breeze and mountain effects.
Abstract:Over the southern California coastal region, observations of the vertical distributions of pollutants show that maximum concentrations can occur within temperature inversion layers well above the surface.
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Record ID:0/626


Date:00/00/1994
Subject:(5) Air Pollution
Author:Poulos, G.S., R.A. Pielke
Title:A numerical analysis of Los Angeles basin pollution transport to the Grand Canyon under stably stratified, southwest flow conditions
Abstract:0
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Record ID:0/627


Date:04/00/1995
Subject:(5) Air Pollution
Author:Chameides, W.L., E.B. Cowling
Title:The state of the Southern Oxidants Study (SOS): Policy-relevant findings in ozone pollution research 1988-1994
Abstract:0
Location:7
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Record ID:0/628


Date:4/1/1976
Subject:(5) Air Pollution
Author:Auer, A.H., Jr.
Title:Observations of an industrial cumulus.
Abstract:Extensive aircraft observations of thermodynamical parameters, updrafts, condensation nuclei and turbulence were obtained of an isolated, non-precipitating, stationary cumulus cloud growing over a refinery complex.
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Record ID:0/629


Date:7/1/1976
Subject:(5) Air Pollution
Author:Braham, R.R., Jr.
Title:Project METROMEX. Report to NSF.
Abstract:This report is concerned with the fifth year of Univ. of Chicago Cloud Physics Laboratory participation in Project METROMEX under sponsorship of the NSF.
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Record ID:0/630


Date:7/1/1975
Subject:(5) Air Pollution
Author:Briggs, G.A.
Title:Estimation of downwash effects.
Abstract:This is a simplified approach to the calculation of ground-level concentrations of effluents from small industrial and fuel-burning installations.
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Record ID:0/631


Date:2/1/1976
Subject:(5) Air Pollution
Author:Culkowski, W.M.
Title:Scale height approximations for deposition estimates at extended distances.
Abstract:As airborne materials travel beyond 10000 meters, the vertical profile of material concentration becomes a function of three parameters; the height of the boundary layer, the deposition velocity, and the vertical diffusivity.
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Record ID:0/632


Date:6/1/1976
Subject:(5) Air Pollution
Author:Dingle, A.N.
Title:Rain Scavenging Studies.
Abstract:The study of microphysical processes by numerical modeling has produced new insights into the roles of different parts of the drop-size spectrum in drop growth and spectral dispersion under varying updraft/downdraft conditions.
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Record ID:0/633


Date:6/1/1975
Subject:(5) Air Pollution
Author:Frank, W.M.
Title:On some environmental problems in Colorado: Feasibility of solar heating in Colorado.
Abstract:This paper evaluates the practicality of utilizing solar energy to heat buildings in the State of Colorado.
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Record ID:0/634


Date:4/1/1966
Subject:(5) Air Pollution
Author:Dingle, A.N., D.F. Gatz
Title:Air cleansing by convective rains.
Abstract:The rain cleansing patterns observed in five rain situations, all characterized by convective structures, are presented.
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Record ID:0/635


Date:6/15/1963
Subject:(5) Air Pollution
Author:Gatz, D.F., A.N. Dingle
Title:Washout of ragweed pollen by rainfall.
Abstract:Sequential rain samples collected during two rains and analyzed for their ragweed pollen content show both increases and decreases with time of the amount of pollen caught in equal volumes of rain.
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Record ID:0/636


Date:1/1/1971
Subject:(5) Air Pollution
Author:Gatz, D.F., A.N. Dingle
Title:Trace substances in rain water: concentration variations during convective rains, and their interpretation.
Abstract:The temporal changes of containment concentrations in rain water samples collected sequentially at a fixed point are dependent upon both the rain scavenging and drop growth processes and the advective effects of the motion field upon the scalar field of concentration variations in the rain cloud.
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Record ID:0/637


Date:1/1/1976
Subject:(5) Air Pollution
Author:Gifford, F.A.
Title:Turbulent diffusion-typing schemes: A review.
Abstract:Recent environmental concerns have greatly increased the need for turbulent typing schemes in atmospheric diffusion calculations.
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Record ID:0/638


Date:7/1/1977
Subject:(5) Air Pollution
Author:Gifford, F.A.
Title:Bulleetin Advertising: An index to expertise in environmental pollution.
Abstract:No abstract.
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Record ID:0/639


Date:7/1/1975
Subject:(5) Air Pollution
Author:Gifford, F.A., S.R. Hanna
Title:Dispersion of sulfur dioxide emissions from area sources.
Abstract:This chapter can be used in evaluating surface concentrations of sulfur dioxide emitted generally over an area.
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Record ID:0/640


Date:8/1/1978
Subject:(5) Air Pollution
Author:Gifford, F.A.
Title:Parameterizing atmospheric diffusion.
Abstract:My assignment, as I understand it, is to summarize the current position of our attempts to parameterize atmospheric diffusion, as a general introduction to the more substantive talks that are to follow in this session.
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Record ID:0/641


Date:9/1/1977
Subject:(5) Air Pollution
Author:Hanna, S.R., F.A. Gifford, Jr.
Title:Application of the ATDL Simple Urban Disperson model to Frankfurt, Germany.
Abstract:Two versions of the ATDL simple urban dispersion model are applied to estimate average annual SO2 concentrations in Frankfurt, using data supplied by the NATO/CCMS group.
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Record ID:0/642


Date:10/1/1977
Subject:(5) Air Pollution
Author:Hanna, S.R.
Title:Model predictions and observations of clouds formed by oil refineries in Los Angelos.
Abstract:Inadvertant weather modification by large power plants and industries is familiar to many people who live within a few kilometers of these facilities.
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Record ID:0/643


Date:4/1/1975
Subject:(5) Air Pollution
Author:Hanna, S.R.
Title:Modeling smog along the Los Angelos-Palm Springs trajectory.
Abstract:Observations of smog concentrations and wind patterns during the summer of 1973 in Los Angelos, Pomona, Riverside, Banning, and Palm Springs are presented which show that high oxidant concentrations at Banning and Palm Springs are often due to advection of smog from source regions in the more densely populated western part of the Los Angelos basin.
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Record ID:0/644


Date:3/1/1977
Subject:(5) Air Pollution
Author:Hanna, S.R.
Title:Meeting Review: Summary
Abstract:No abstract.
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Record ID:0/645


Date:12/1/1976
Subject:(5) Air Pollution
Author:Hanna, S.R.
Title:Hydrometeorological aspects of electric power production.
Abstract:Observed atmospheric effects due to waste heat release from cooling towers and ponds are reviewed, including sun shading, ground fog, drift deposition, interference with aircraft, interactions with chemical plumes, high winds, and changes in cloudiness, temperature, and precipitation.
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Record ID:0/646


Date:6/1/1976
Subject:(5) Air Pollution
Author:Hanna, S.R.
Title:Local and global transport and dispersion of airborne effluents
Abstract:Like most subject areas covered in these proceedings, the area of transport and dispersion in the atmosphere is much too broad to be treated thoroughly in these few pages. Therefore, I will emphasize the scientific advances in this area that have taken place in the past three years, since the time of the IAEA syposium entitled, 'Physical Behavior of Radioactive Contaminants in the Atmosphere.'
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Record ID:0/647


Date:7/1/1977
Subject:(5) Air Pollution
Author:Harding, D.D.
Title:Microphysical response of cloud droplets in a fluctuating updraft.
Abstract:The effect of a fluctuating updraft upon a distribution of cloud droplets is examined.
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Record ID:0/648


Date:9/1/1976
Subject:(5) Air Pollution
Author:Hegg, D.A., P.V. Hobbs, L.F. Radke
Title:Reactions of nitrogen oxides, ozone and sulfur in power plant plumes.
Abstract:Potentially harmful chemicals may be generated in the plumes from fossil fuel power plants as they react with ambient air (so-called second gereration products).
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Record ID:0/649


Date:1/1/1985
Subject:(5) Air Pollution
Author:Hegg, D.A., P.V. Hobbs, J.H. Lyons
Title:Field studies of a power plant plume in the arid southwestern United States.
Abstract:A study is presented of the physics and chemistry relevant to the visual impact of the plume from an electric power generating plant located in the Mojave Desert.
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Record ID:0/650


Date:2/8/1977
Subject:(5) Air Pollution
Author:Hutchison, B.A., D.R. Matt
Title:The annual cycle of solar radiation in a deciduous forest.
Abstract:Periodic solar radiation measurements within and above an east Tennessee forest and continuous records of insolation from a nearby NOAA weather station were used to derive an approximation of the annual radiation regime within and above the deciduous forest.
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Record ID:0/651


Date:2/1/1975
Subject:(5) Air Pollution
Author:Kiang, C.S., R.D. Cadle, G.K. Yue
Title:H2SO4-HNO3-H2O Ternary aerosol formation mechanism in the stratosphere.
Abstract:An order-of-magnitude calculation of the characteristic time required for the homogeneous heteromolecular nucleation of new stratospheric particles involving the H2SO4-HN0-H2O ternary system is presented.
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Record ID:0/652


Date:10/1/1966
Subject:(5) Air Pollution
Author:Kraichnan, R.H.
Title:Dispersion of particle pairs in homogeneous turbulence.
Abstract:The relative dispersion of particle pairs in homogeneous turbulence is treated by the Lagrangian-History Direct-Interaction closure approximation for a convected scalar field.
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Record ID:0/653


Date:6/1/1976
Subject:(5) Air Pollution
Author:Mizuno, T.
Title:Space-time correlations measured by two tethered baloons.
Abstract:Vertical wind fluctuations were measured simultaneous by two sondes hanged from two tethered balloons, which were located nearly parallel to the mean wind direction with the separation distance of about 120 m at the height of several hunderd meters from the surface.
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Record ID:0/654


Date:10/1/1976
Subject:(5) Air Pollution
Author:Nappo, C.J. Jr.
Title:The simulation of atmospheric transport using observed and estimated winds.
Abstract:The spread of pollutants in the atmosphere is often mathematically simulated by the linear combination of transport by the mean wind and dispersion by paremterized turbulence.
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Record ID:0/655


Date:5/20/1970
Subject:(5) Air Pollution
Author:Rancitelli, L.A., R.W. Perkins
Title:Trace element concentrations in the troposphere and lower stratosphere.
Abstract:A technique has been developed and applied to establish the gradient of several trace elements from the troposphere through the lower stratosphere.
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Record ID:0/656


Date:6/1/1976
Subject:(5) Air Pollution
Author:Rao, K.S., I. Thomson, B.A. Egan
Title:Regional transport model of atmospheric sulfates.
Abstract:In recent years, there has been substantial evidence that particulate sulfate in the presence of sulfur oxide gases is a major contributor to the health hazards of air pollution, and there is considerable interest in developing a strategy for controlling the atmospheric sulfate concentration levels.
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Record ID:0/657


Date:1/1/1978
Subject:(5) Air Pollution
Author:Reiter, E.R.
Title:Impact of stratospheric ozone on tropospheric concentrations.
Abstract:Estimates of the natural background levels of stratospheric ozone in the lower troposphere are made using both stratospheric mass-balance calculations and radioactive fallout data.
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Record ID:0/658


Date:1/1/1987
Subject:(5) Air Pollution
Author:Schutz, L., M. Kramer
Title:Rainwater composition over a rural area with special emphasis on the size distribution of insoluble particulate matter.
Abstract:The rainwater composition in the vicinity of Mainz, FRG, has been investigated with special emphasis on insoluble constituents.
Location:0
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Record ID:0/659


Date:1/1/1972
Subject:(5) Air Pollution
Author:Segar, D.A., J.G. Gonzalez
Title:Evaluation of atomic absorption with a heated graphite atomizer for the direct determination of trace transition metals in sea water.
Abstract:Atomic apsorption spectrophotometry has been extensively employed in the analysis of trace transititon elements in sea water.
Location:0
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Record ID:0/660


Date:11/1/1971
Subject:(5) Air Pollution
Author:Segar, D.A.
Title:The determination of trace metals in saline waters and biological tissues using the heated graphite atomizer.
Abstract:A selective, volatalization technique utilizing the heated graphite atomizer atomic absorption technique has been developed for the analysis of iron in sea water.
Location:0
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Record ID:0/661


Date:6/1/1984
Subject:(5) Air Pollution
Author:Yamada, T.
Title:Proceedings of Workshop on Atmos. Research nneds for the Western United States.
Abstract:Under the sponsorship of the Los Alamos National Lab., a workshop,
Location:1
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Record ID:0/662


Date:3/1/1977
Subject:(5) Air Pollution
Author:Waldron, A.W.
Title:A statistical method of calculating turbulence values for the pasquill stability categories.
Abstract:This paper demonstates the feasibility of estimating vertical and horizontal turbulence values from wind speed and vertical temperature gradient.
Location:1
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Record ID:0/663


Date:3/1/1976
Subject:(5) Air Pollution
Author:Simpson, C.L.
Title:Pacific Northwest Laboratory Annual Report for 1975 to the USERDA Division of Biomedical and Environmental Research. Part III: Atmospheric Science
Abstract:Surveys are being made of effluents released to the atmosphere, within the source areas, to distances covering several states, and on hemispheric scales. Through these efforts, the Atmospheric Sciences and Radiological Scienced Departments are identifying the most urgent air pollution problems and continually reassissing them to set priorities for more detailed investigations.
Location:1
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Record ID:0/664


Date:1/1/1974
Subject:(5) Air Pollution
Author:Reiter, E.R.
Title:Chemist-Meteorologist Workshop - 1974.
Abstract:No abstract.
Location:1
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Record ID:0/665


Date:11/1/1984
Subject:(5) Air Pollution
Author:Niewiadomski, M., D.E. Haman
Title:The rainfall enhancement by washout of cooling tower plumes: A numerical experiment.
Abstract:A mechanism of rainfall augmentation in the lee of big (~5000 MWe) power plants due to washout of liquid water content of cooling tower plumes by raindrops, has been studied by means of a one-dimensional plume model.
Location:1
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Record ID:0/666


Date:10/1/1977
Subject:(5) Air Pollution
Author:Katen, P.C.
Title:Modeling atmsopheric dispersion of lead particulates from a highway.
Abstract:In this dissertation we develop a method which will predict the diffusion of lead-bearing particulates emitted by vehicles moving on a highway.
Location:1
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Record ID:0/667


Date:10/1/1969
Subject:(5) Air Pollution
Author:Holle, R.L.
Title:The effect on rainfall of cloud condensation nuclei from vegetation fires over south Florida during spring droughts.
Abstract:CCN at cloud base strongly affect the droplet concentration at cloud base, which in turn influences the life history of a cloud.
Location:1
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Record ID:0/668


Date:1/1/1978
Subject:(5) Air Pollution
Author:Henmi, T., E.R.Reiter
Title:Residence time of atmospheric pollutants and long-range transport.
Abstract:The Lagrangian trajectory model which is suitable for the study of long-range transport of pollutants is developed.
Location:1
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Record ID:0/669


Date:4/1/1981
Subject:(5) Air Pollution
Author:Haman, K.E., M. Niewiadomski, P. Smolarkeiwicz
Title:Model 'Alina' of the power plant plumes.
Abstract:A new model of the cooling tower and stack plumes and some comments upon its applications is presented.
Location:1
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Record ID:0/670


Date:8/1/1977
Subject:(5) Air Pollution
Author:Hales, J.M.
Title:Pacific Northwest Laboratory Annual Report for 1976 to the ERDA Assistant Administrator for Environment and Safely. Part III: Atmospheric Sciences.
Abstract:To identifiy the most pressing air pollution problems and establish priorities for more detailed investigations, we are continuing surveys of effluents released to the atmosphere.
Location:1
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Record ID:0/671


Date:12/1/1978
Subject:(5) Air Pollution
Author:Parungo, F.P., P.A. Allee
Title:Rocket Effluent: Its ice nucleation activity and related properties.
Abstract:To investigate the possibility of inadvertent weather modification from rocket effluent, aerosol samples were collected from an instrumented aircraft subsequent to the Voyager I and II launches.
Location:2
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Record ID:0/672


Date:6/1/1973
Subject:(5) Air Pollution
Author:Dana, M.T., J.M. Hales, W.G.N. Slinn, M.A. Wolf
Title:Natural precipitation washout of sulfur compounds from plumes.
Abstract:A model has been developed for prediction of the reversible washout of SO2 emitted from power plant plumes and other sources.
Location:2
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Record ID:0/673


Date:1/1/1978
Subject:(5) Air Pollution
Author:Henmi, T., E.R. Reiter
Title:Regional residence time of sulfur dioxide over the eastern United States.
Abstract:Calculations of regional residence time T of sulfur dioxide in mixing layer are based on the following assumptions: a) dry deposition, precipitation scavenging, and chemical transformation are the removal mechanisms of the pollutant from the atmosphere, b) the deposition velocity is 1 cm s-1 and chemical transformation rate
Location:2
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Record ID:0/674


Date:3/18/1979
Subject:(5) Air Pollution
Author:Lewellen, W.S., M.E. Teske, D.A. Oliver, Y.P. Sheng, H. Segur
Title:1979 Status Report on Low-level, Atmospheric Turbulence Model for Marine Environments.
Abstract:Aeronautical Research Associates of Princeton, Inc. (A.R.A.P.) has been developing a program from computing the detailed low-level atmospheric distributions of velocity, temperature, moisture, refractive index, and the turbulent variances of these quantities for marine environments.
Location:2
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Record ID:0/675


Date:9/1/1978
Subject:(5) Air Pollution
Author:Nappo, C.J. Jr., R.P. Hosker, S.R. Hanna
Title:The Eastern Tennessee Trajectory Experiment (ETTEX): Description and data summary.
Abstract:Data from the ETTEX conducted during July and August, 1974, are presented.
Location:2
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Record ID:0/676


Date:7/1/1979
Subject:(5) Air Pollution
Author:Pueschel, R.F., F.P. Parungo, E.W. Barrett, D.L. Wellman, H. Proulx
Title:Meteorological effects of oil refinery operations in Los Angelos.
Abstract:From airborne in-situ measurements of gases and aerosol size distribution and from post-flight chemical analyses of sample particulates it was found that oil refinery operations in southern Los Angelos can modify the clouds in the vicinity.
Location:2
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Record ID:0/677


Date:12/1/1972
Subject:(5) Air Pollution
Author:Simpson, C.L.
Title:Pacific Northwest Laboratory Annual Report for 1971 to the USAEC Division of Biology and Medicine. Vol. II: Physical Sciences. Part I. Atmospheric Science.
Abstract:No abstract.
Location:2
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Record ID:0/678


Date:6/1/1971
Subject:(5) Air Pollution
Author:Simpson, C.L.
Title:Pacific Northwest Laboratory Annual Report for 1970 to the USAEC Division of Biology and Medicine. Volume II: Physical Sciences. Part I, Atmospheric Sciences
Abstract:No abstract.
Location:2
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Record ID:0/679


Date:6/24/1979
Subject:(5) Air Pollution
Author:Culkowski, W.M.
Title:Power law variations of wind speed profiles at three sites in the Oak Ridge area.
Abstract:Three towers near the Tennessee Valley Authority's Kingston, Tennessee steam plant are in locations having distinct terrain featers.
Location:3
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Record ID:0/680


Date:7/1/1979
Subject:(5) Air Pollution
Author:Culkowski, W.M.
Title:A comparison of temperature and wind speed functions in the lowest thirty-two meters during unstable conditions.
Abstract:The results of fitting wind speed and temperature functions suggested by Benoit (1977) to the Minnesota 1973 data are compared to the functions of the primitive logarithmic and to the logorithmic plus linear profiles.
Location:3
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Record ID:0/681


Date:2/1/1980
Subject:(5) Air Pollution
Author:Culkowski, W.M.
Title:The logorithmic integral as a function for estimating wind and temperature profiles in unstable cases.
Abstract:Temperature and wind profiles from the Prairie Grass and Minnesota experiments were examined for those cases where solar radiation exceeded 0.020 cal/cm2 sec (Prairie Grass) or the reported Monin-Obukhov length indicated unstable conditions (Minnesota).
Location:3
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Record ID:0/682


Date:2/1/1980
Subject:(5) Air Pollution
Author:Elderkin, C.E.
Title:Pacific Northwest Laboratory Annual Report for 1979 to the DOE Assistant Secretary for Environment. Part 3: Atmospheric Sciences.
Abstract:No Abstract.
Location:3
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Record ID:0/683


Date:8/1/1979
Subject:(5) Air Pollution
Author:Elliott, D.B., L.E. Nipper
Title:SPIF: A Preprocessor for Structured Programming In Fortran.
Abstract:FORTRAN, a 22-year old programming language, has some major weaknesses as a higher-level computer language.
Location:3
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Record ID:0/684


Date:1/1/1978
Subject:(5) Air Pollution
Author:Gifford, F.A., R.P. Hosker Jr., K.S. Rao
Title:Diffusion-deposition patterns in Martian streaks.
Abstract:The spreading angle of a number of light and dark Martian streaks is determined from selected Mariner 9 images.
Location:3
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Record ID:0/685


Date:6/1/1978
Subject:(5) Air Pollution
Author:Hanna, S.R.
Title:A review of the influence of new boundary layer results on diffusion prediction techniques.
Abstract:Our knowledge of the dynamics of the surface boundary layer and the planetary boundary layer has greatly increased during the past one or two decades, thanks to a series of excellent field experiments in Kansas, Minnesota, and a laboratory experiment in Colorado.
Location:3
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Record ID:0/686


Date:1/1/1978
Subject:(5) Air Pollution
Author:Hanna, S.R.
Title:Urban modeling of inert substances.
Abstract:The physical assumptions in various models for the diffusion of inert substances in urban areas are critically reviewed.
Location:3
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Record ID:0/687


Date:1/15/1979
Subject:(5) Air Pollution
Author:Hanna, S.R.
Title:A statistical diffusion model for use with various wind fields.
Abstract:Atmospheric diffusion is caused by atmospheric turbulence. Most diffusion models in use today, such as the Gaussian plume model, first (K) and second order closure models, and the boundary layer similarity models are based on parameterizations of turbulence.
Location:3
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Record ID:0/688


Date:1/1/1980
Subject:(5) Air Pollution
Author:Hanna, S.R.
Title:Measured d_y and d_o in complex terrain near the TVA Widows Creek, Alabama steam plant.
Abstract:The Widows Creek Steam Plant, operated by the Tenn. Valley Authority (TVA), is located on the banks of the Tennessee River, with a 250 m terrain step 2 km to the southeast and an irregular 300 m plateau 10 km to the northwest.
Location:3
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Record ID:0/689


Date:3/1/1980
Subject:(5) Air Pollution
Author:Hanna, S.R.
Title:Complex terrain influence on d_0 and d_y at TVA's Widows Creek Steam Plant.
Abstract:In a workshop on stability classification schemes and sigma curves sponsored by the AMS, it was recommended that the standard deviation of wind direction fluctuations, d_0, be used to estimate the lateral diffusion parameter, d_y.
Location:3
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Record ID:0/690


Date:3/1/1980
Subject:(5) Air Pollution
Author:Hosker Jr., R.P.
Title:Dispersion in the vicinity of buildings.
Abstract:The behavior of effluent plumes near buildings is a concern common to architects, regulatory agencies, and air pollution meteorologists.
Location:3
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Record ID:0/691


Date:3/1/1980
Subject:(5) Air Pollution
Author:Hosker, R.P., K.S. Rao, G.A. Briggs
Title:Experimental methods and preliminary analyses of drainage flow observations during the First Ascot Field Study.
Abstract:The Atmospheric Turbulence and Diffusion Laboratory conducted several types of experiments during the first ASCOT field study at The Geysers geothermal energy production site in northern California
Location:3
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Record ID:0/692


Date:8/1/1980
Subject:(5) Air Pollution
Author:Lenshow, D.H., R. Pearson Jr., B.B. Stankov
Title:Estimating production of ozone in the boundary layer by use of aircraft measurements of ozone eddy flux and mean concentration.
Abstract:The development of a sensitive fast-response ozone sensor has made possible the measurement of turbulent fluctuations of atmospheric ozone from an aircraft.
Location:3
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Record ID:0/693


Date:1/1/1978
Subject:(5) Air Pollution
Author:Whiteman, C.D., T.B. McKee
Title:Air pollution implications of inversion descent in mountain valleys.
Abstract:Observations of vertical temperature structure in Colorado's deep Gore River Valley indicate that deep inversions that build up within the valley during the night descend into the valley during the hours following sunrise.
Location:3
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Record ID:0/694


Date:3/1/1980
Subject:(5) Air Pollution
Author:Rao, K.S., H.F. Snodgrass
Title:A nonstationary nocturnal drainage flow model.
Abstract:The nocturnal drainage flow considered in the paper is a gravitationally induced local wind on a slope caused by the radiative cooling of the surface.
Location:3
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Record ID:0/695


Date:3/1/1980
Subject:(5) Air Pollution
Author:Nappo, C.J., S.R. Hanna, H.F. Snodgrass
Title:Drainage wind observations using neutral-lift balloons.
Abstract:During the period 15-29 July, 1979, participants in the DOE's ASCOT program conducted a field study of the nighttime micrometeorology in the Anderson Creek Valley
Location:3
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Record ID:0/696


Date:1/1/1979
Subject:(5) Air Pollution
Author:Nappo, C.J.
Title:Relative and single particle diffusion estimates determined from smoke plume photographs.
Abstract:Beginnign with the earliest studies of the subject, smoke plumes and puffs have been used as measures of atmospheric turbulence and diffusion.
Location:3
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Record ID:0/697


Date:1/1/1979
Subject:(5) Air Pollution
Author:Hosker, R.P., Jr.
Title:Empirical estimation of wake cavity size behind block-type structures.
Abstract:The boundary layers which form along the exposed surfaces of a bluff obstacle generally separate from these surfaces at locations determined either by geometry or by aerodynamic effects.
Location:3
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Record ID:0/698


Date:4/1/1980
Subject:(5) Air Pollution
Author:Walmsley, J.L., P.A. Taylor, R. Mok
Title:MS3DJH - A computer model for the study of neutrally stratified boundary layer flow over isolated hills of moderate slope.
Abstract:The Mason and Sykes model for neutrally stratified wind-flow over an isolated three-dimensional hill is described.
Location:3
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Record ID:0/699


Date:1/1/1978
Subject:(5) Air Pollution
Author:Schaefer, V.J.
Title:The presence of ozone, nitric acid, nitrogen dioxide and ammonia in the atmosphere.
Abstract:This report presents more than four hundred sets of measurements of air quality culled from many thousands obtained at a wide variety of locations in the Northern Hemisphere.
Location:3
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Record ID:0/700


Date:12/1/1979
Subject:(5) Air Pollution
Author:Patrinos, A.A.N., H.W. Hoffman
Title:Meteorological Effects of Thermal Energy Releases (METER) Program, Annual Progress Report, Oct. 1978-Sept. 1979.
Abstract:The METER program was organized to develop and verify methods for predicting the maximum amount of energy that can be dissipated to the atmosphere (through cooling towers or cooling ponds) from proposed nuclear energy centers without affecting the local and regional environment.
Location:3
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Record ID:0/701


Date:12/1/1978
Subject:(5) Air Pollution
Author:Patrinos, A.A.N., H.W. Hoffman
Title:Meteorological Effects of Thermal Energy Releases (METER) Program, Annual Progress Report, Oct. 1977-Sept. 1978.
Abstract:The METER program is approaching its fourth anniversary, and from this vantage, it seems appropriate to reexamine the purposes and rationale for the program, to document its accomplishments, and to propose its future.
Location:3
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Record ID:0/702


Date:9/1/1979
Subject:(5) Air Pollution
Author:Hutchison, B.A.
Title:Instrument Guidelines for Measurement of Meteorological Characteristics of Long-Term Ecological Research Sites.
Abstract:In any program of scientific measurement, the question of what is to be measured is as important as that of how the measurement is to be made.
Location:3
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Record ID:0/703


Date:9/1/1978
Subject:(5) Air Pollution
Author:Levine, J.S., D.R. Schryer, Eds.
Title:Man's Impact on the Troposphere. Lectures in Tropospheric Chemistry.
Abstract:About 85% of the total mass of the atmosphere is contained in the troposphere. Man lives in the troposphere and breathes its molecules; tropospheric species regulate climate, influence weather, and control levels of stratospheric ozone.
Location:3
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Record ID:0/704


Date:1/1/1981
Subject:(5) Air Pollution
Author:Borys, R.D., K.A. Rahn
Title:Long-range atmospheric transport of cloud-active aerosol to Iceland.
Abstract:During a study of CCN, CN, and various chemical constituents of the aerosol at Irafass, Iceland, an episode of long-range transport of CCN and pollution aerosol from Eurasia was observed.
Location:4
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Record ID:0/705


Date:7/1/1979
Subject:(5) Air Pollution
Author:Briggs, G.A.
Title:Analytic modeling of drainage flows.
Abstract:We wish to ocnsider some of the basic physics of drainage flow in complex terrain.
Location:4
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Record ID:0/706


Date:12/1/1979
Subject:(5) Air Pollution
Author:Briggs, G.A.
Title:Entrainment coefficient versus Ri for drainage flows and compatibility with turbulence scaling assumptions.
Abstract:All models of turbulent flow, from simple analytical models to the most complex computer codes, require 'closure assumptions' to achieve solutions. The assumptions cannot be derived from established physical principles, but must be induced from experimental results and/or simply be concocted on the basis of intuition.
Location:4
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Record ID:0/707


Date:11/1/1984
Subject:(5) Air Pollution
Author:Chylek, P., V. Ramaswamy, R.J. Cheng
Title:Effect of graphitic carbon on the albedo of clouds.
Abstract:We examine the radiative properties of clouds containing submicron soot particles as impurities.
Location:4
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Record ID:0/708


Date:11/1/1978
Subject:(5) Air Pollution
Author:Davis, B.L., L.R. Johnson, S. Sengupta, P.C. Yue
Title:Ground level measurement of nuclei from coal development in the northern Great Plains: Baseline measurements.
Abstract:The Inst. of Atmospheric Sciences of the South Dakota School of Mines and Technology has completed 20 months of ambient air sampling at rural and remote sites in a five-state region of the northern Great Plains.
Location:4
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Record ID:0/709


Date:2/1/1981
Subject:(5) Air Pollution
Author:Elderkin, C.E.
Title:Pacific Northwest Laboratory Annual Report for 1980 to the DOE Assistant Secretary for Environment. Part III: Atmos. Sciences.
Abstract:The goals of atmospheric research at PNL are to assess, describe and predict the nature and fate of atmospheric pollution and to study the impacts of pollutants on local, regional and global climates.
Location:4
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Record ID:0/710


Date:10/1/1979
Subject:(5) Air Pollution
Author:Gifford, F.A.
Title:Recent studies of diffusion parameters for air pollution applications.
Abstract:The turbulence structure of the planetary boundary layer, or mixed layer is now well known, as a result of the Kansas and Minnesota experiments.
Location:4
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Record ID:0/711


Date:1/1/1980
Subject:(5) Air Pollution
Author:Gifford, F.A.
Title:Smoke as a quantitative atmospheric diffusion tracer.
Abstract:Generalizations of the 'opacity method' of analyzing visible smoke-plume diffusion are presented.
Location:4
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Record ID:0/712


Date:3/1/1981
Subject:(5) Air Pollution
Author:Hanna, S.
Title:Annual Report for 1979 and 1980
Abstract:The following is a compilation of abstracts of research contributions from NOAA ATDL for the calendar years 1979 and 1980.
Location:4
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Record ID:0/713


Date:2/1/1981
Subject:(5) Air Pollution
Author:Hilst, G.R.
Title:Regional air quality studies: The needs and the priorities.
Abstract:The rationale for a priority structuring of EPRI's Regional Air Quality Studies is provided and translated into a five year research plan.
Location:4
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Record ID:0/714


Date:5/1/1980
Subject:(5) Air Pollution
Author:Hosker, R.P. Jr.
Title:Practical application of air pollutant deposition models -- current status, data requirements, and research needs.
Abstract:Methods presently available for simulating transport, diffusion, and wet and dry removal of atmospheric pollutants are surveyed.
Location:4
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Record ID:0/715


Date:1/1/1980
Subject:(5) Air Pollution
Author:Hutchison, B.A., D.R. Matt, R.T. McMillen
Title:Effects of sky brightness distribution upon penetration of diffuse radiation through canopy gaps in a deciduous forest.
Abstract:The penetration of diffuse sky radiation via canopy opening into a fully-leafed tulip poplar forest was estimated from canopy structure data obtained from canopy photographs and from sky brightness distribution approximations
Location:4
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Record ID:0/716


Date:2/1/1981
Subject:(5) Air Pollution
Author:Knox, J.B., R.C. Orphan, Eds.
Title:Program Report for FY 1980: Atmospheric and Geophysical Sciences Division of the Physics Department.
Abstract:The FY 1980 reserach program conducted by the Atmospheric and Geo. Sci. Div. and supporting segments at LLNL is reviewed briefly.
Location:4
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Record ID:0/717


Date:10/1/1980
Subject:(5) Air Pollution
Author:Patrinos, A.A.N.
Title:Winter study of power plant effects.
Abstract:This report describes the activities of the Winter Study of Power Plant Effects (WISPE).
Location:4
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Record ID:0/718


Date:10/1/1980
Subject:(5) Air Pollution
Author:Segal, M., R.A. Pielke, Y. Mahrer
Title:Quantitative assessment of air quality in the greater Chesapeake Bay area using a 3-D mesoscale atmospheric model.
Abstract:A common difficulty in the evaluation of quantitative air quality in coastal areas is the scarcity of available meteorological data of sufficiently high spatial and temporal resolution.
Location:4
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Record ID:0/719


Date:4/1/1981
Subject:(5) Air Pollution
Author:Seinfeld, J.H. et al.
Title:Report of the NASA Working Group on Tropospheric Program Planning.
Abstract:The NASA Office of Space and Terrestrial Applications, seeking to strengthen the scientific foundatoin for its long-range tropospheric research program, formed a Working Group on Tropospheric Program Plannignin 1978 with Dr. Seinfeld as chairman.
Location:4
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Record ID:0/720


Date:8/1/1979
Subject:(5) Air Pollution
Author:Drake, R.L.
Title:Mathematical Models for Atmospheric Pollutants. Appendix 3: Governing equations for atmospheric trace constituents and solution techniques.
Abstract:Enery system models are being developed that consider a wide range of impacts due to new energy technologies and changing energy supply and demand patterns.
Location:5
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Record ID:0/721


Date:8/1/1979
Subject:(5) Air Pollution
Author:Drake, R.L.
Title:Mathematical Models for Atmospheric Pollutants. Appendix A: Elements of Meteorology.
Abstract:Energy system models are being developed that consider a wide range of impacts due to new energy technologies and changing energy supply and demand patterns.
Location:5
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Record ID:0/722


Date:6/1/1980
Subject:(5) Air Pollution
Author:Henderson, R.G., R. Pitter, J. Wisniewski
Title:Reserach Guidelines for Regional Modeling of Fine Particulates, Acid Deposition and Visibility.
Abstract:In recent years three air pollution phenomena beame etched into the public and political conscience. These are: 1. Acid rain, 2. Visibility impairment by anthropogenic haze, 3. Increasing concentrations of ambient fine particulate matter. The three phenomena have several common physico/chemical features
Location:5
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Record ID:0/723


Date:2/1/1982
Subject:(5) Air Pollution
Author:Knox, J.B.
Title:Program report for FY 1981 Atmospheric and Geophysical Science Division of the Physics Dept.
Abstract:The goals, highlights, and achievements of the FY 1981 research program as conducted by the Atmospheric and Geophysical Scienced Division and supporting segments of LLNL are summarized briefly.
Location:5
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Record ID:0/724


Date:5/1/1981
Subject:(5) Air Pollution
Author:McNider, R.T.
Title:Investigation of the impact of topographic circulations on the transport and dispersion of air pollutants.
Abstract:A numerical mesoscale model is utilized to examine slope flows and the classic mountain-plain circulation described by early investigators.
Location:5
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Record ID:0/725


Date:1/1/1981
Subject:(5) Air Pollution
Author:Segal, M., Y. Mahrer, R. Pielke
Title:A numerical model study of plume fumigation during nocturnal inversion break-up.
Abstract:The elimination of the ground based nocturnal inversion during the morning hours may be associated with very high surface pollutant concentrations, as elevated plumes fumigate into the developing mixed layer.
Location:5
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Record ID:0/726


Date:2/1/1982
Subject:(5) Air Pollution
Author:Sievers, R.E.
Title:Air Quality Prospectus. Impacts of Energy Development in the Intermountain West on Air Quality.
Abstract:This is a preliminary planning document and will serve as a basis for developing a final proposal for an integrated research program.
Location:5
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Record ID:0/727


Date:1/1/1984
Subject:(5) Air Pollution
Author:Baerentsen, J.H., R. Berkowicz
Title:Monte Carlo simulation of plume dispersion in the convective boundary layer.
Abstract:Measurements of vertical wind velocities in the convective boundary layer reveal that the corresponding probability density function is positively skewed, but has a negative mode.
Location:6
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Record ID:0/728


Date:7/29/1983
Subject:(5) Air Pollution
Author:The BDM Corp.
Title:Proposal to develop a comprehensive field study plan to relate pollutant sources to acidic deposition. Part I: Technical Proposal and Part III: Appendix A.
Abstract:No abstract.
Location:6
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Record ID:0/729


Date:5/1/1982
Subject:(5) Air Pollution
Author:Deardorff, J.W., G.E. Willis
Title:Ground-level concentrations due to fumigation into an entraining mixed layer.
Abstract:Laboratory measurements on fumigation into a convectively mixed layer indicate how the near surface concentration behaves with time.
Location:6
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Record ID:0/730


Date:11/1/1982
Subject:(5) Air Pollution
Author:Dickerson, M.H., P.H. Gudiksen
Title:ASCOT FY-1982 Progress Report
Abstract:The 1982 fiscal year began the transition of the DOE ASCOT Program from The Geysers area of northern California to western Colorado as the next primary study site.
Location:6
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Record ID:0/731


Date:1/1/1983
Subject:(5) Air Pollution
Author:Enger, L.
Title:Numerical boundary layer modeling with application to diffusion. Part I: A two dimensional higher order closure model, and Part II: A higher order closure dispersion model.
Abstract:A two-dimensional second order closure model based on the so-called Level 3 model of Mellor and Yamada (1974) is presented.
Location:6
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Record ID:0/732


Date:8/1/1983
Subject:(5) Air Pollution
Author:Gudiksen, P.H., M.H. Dickerson, Eds.
Title:Executive Summary: Atmospheric studies in complex terrain. Technical Progress Report FY-1979 Through FY-1983.
Abstract:No abstract.
Location:6
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Record ID:0/733


Date:12/1/1983
Subject:(5) Air Pollution
Author:Hanna, S.R., J.V. Ramsdell, H.E. Cramer
Title:Urban Gaussian Diffusion Parameters.
Abstract:This report contains recommendations on urban Gaussian diffusion parameters made by the authors to the U.S. Army.
Location:6
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Record ID:0/734


Date:2/1/1983
Subject:(5) Air Pollution
Author:Hegg, D.A., P.V. Hobbs
Title:Particles and trace gases in the plume from a modern coal-fired power plant in the western United States and their effects on light extinction.
Abstract:The effects on light extinction of the particles and trace gases in the plume from a modern coal-fired power plant located in Arizona have been investigated.
Location:6
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Record ID:0/735


Date:8/1/1982
Subject:(5) Air Pollution
Author:Hicks, B.
Title:1981 Annual Report
Abstract:No abstract.
Location:6
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Record ID:0/736


Date:3/1/1983
Subject:(5) Air Pollution
Author:Knox, J.B., M.C. MacCracken, M.H. Dickerson, P.M. Gresho, F.M. Luther, R.C. Orphan
Title:Program Report for FY 1982 Atmospheric and Geophysical Sciences Division of the Physics Dept.
Abstract:The G-Division summarizes herein the technical objectives and highlights of its research program for FY 1982.
Location:6
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Record ID:0/737


Date:9/1/1974
Subject:(5) Air Pollution
Author:Lewellen, W.S. et al.
Title:Invariant modeling of turbulence and diffusion in the planetary boundary layer.
Abstract:Significant progress has been made at A.R.A.P. over the last year toward the goal of developing a viable computer model based on second-order closure of the turbulent correlation equations for predicting the fate of nonchemically reacting contaminants released in the atmospheric boundary layer.
Location:6
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Record ID:0/738


Date:5/15/1984
Subject:(5) Air Pollution
Author:Mendez, R.H.
Title:Benchmarks on Japanese and American Supercomputers--Preliminary results.
Abstract:A partial summary of preliminary benchmark results on Japanese and American supercomputers is given.
Location:6
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Record ID:0/739


Date:1/1/1979
Subject:(5) Air Pollution
Author:Reid, J.D.
Title:Markov-chain simulations of vertical dispersion in the neutral surface layer for surface and elevated releases.
Abstract:Vertical dispersion in the neutral surface layer is investigated using a Markov Chain simulation procudure.
Location:6
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Record ID:0/740


Date:12/1/1983
Subject:(5) Air Pollution
Author:Segal, M., R.A. Pielke
Title:On the evolution of the mixing layer during elevated plume fumigation.
Abstract:The ground level concentrations of pollutants associated with the fumigation of elevated plumes during nocturnal inversion breakup is a frequent component in air quality evaluation reports.
Location:6
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Record ID:0/741


Date:1/1/1984
Subject:(5) Air Pollution
Author:Sinclair, P.C.
Title:Power plant plume NOx reactions and the reaction zone concept.
Abstract:Power plant plume measurements with instrumented aircraft indicate that the plume-environment reactant species appear to be spatially segregated with reactions occurring primarily within a relatively narrow zone between the plume core and the environment.
Location:6
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Record ID:0/742


Date:1/1/1976
Subject:(5) Air Pollution
Author:Willis, G.E., J.W. Deardorff
Title:A laboratory model of diffusion into the convective planetary boundary layer.
Abstract:A laboratory model of the convective planetary boundary layer has provided information concerning the evolution of concentration distributions downwind from a simulated continuous point source located near the ground.
Location:6
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Record ID:0/743


Date:12/1/1978
Subject:(5) Air Pollution
Author:Willis, G.E., J.W. Deardorff
Title:A laboratory study of dispersion from an elevated source within a modeled convective planetary boundary layer.
Abstract:Dispersion from an elevated source has been studied by means of a laboratory model of the convective PBL.
Location:6
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Record ID:0/744


Date:1/1/1983
Subject:(5) Air Pollution
Author:Willis, G.E., J.W. Deardorff
Title:On plume rise within a convective boundary layer.
Abstract:Photographic observations of buoyant emissions from a model stack within a laboratory convectively mixed layer provide the data base from which plume envelopes and centerline heights are determined.
Location:6
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Record ID:0/745


Date:1/1/1989
Subject:(5) Air Pollution
Author:Molenkamp, C.R.
Title:Numerical simulation of coastal clouds when solar radiation is blocked by smoke.
Abstract:Large fires ignited in a major nuclear exchange would inject a considerable amount of smoke into the atmosphere.
Location:7
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Record ID:0/746


Date:1/11/1988
Subject:(5) Air Pollution
Author:McNider, R.T., M.D. Moran, R.A. Pielke
Title:Influence of diurnal and inertial boundary-layer oscillations on long-range dispersion.
Abstract:Coupled meteorological and Langrangian particle models are used to examine horizontal dispersion over one to two diurnal cycles.
Location:7
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Record ID:0/747


Date:1/1/1986
Subject:(5) Air Pollution
Author:Lott, R.A.
Title:Model performance -- plume dispersion over elevated terrain.
Abstract:A study was conducted to evaluate the ability of a steady-state Gaussian model to simulate plume dispersion over high terrain.
Location:7
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Record ID:0/748


Date:7/5/1993
Subject:(5) Air Pollution
Author:Nicholls, M.E., R.A. Pielke, J.L. Eastman, C.A. Finley, W.A. Lyons, C.J. Tremback, R.L. Walko, W.R. Cotton
Title:Applications of the RAMS numerical model to dispersion over urban areas.
Abstract:This paper presents an overview of the RAMS and examples of applications to the dispersion of pollutants in urban areas.
Location:7
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Record ID:0/749


Date:1/1/1994
Subject:(5) Air Pollution
Author:Poulos, G.S., R.A. Pielke
Title:A numerical analysis of Los Angelos basin pollution transport to the Grand Canyon under stably stratified, southwest flow conditions.
Abstract:This paper presents a numerical investigation of air pollutant transport for the Los Angelos Basin to Grand Canyon National Park under the stably stratisfied wintertime, synoptic high-pressure conditions that existed during 10-13 Feb. 1987.
Location:7
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Record ID:0/750


Date:1/1/1992
Subject:(5) Air Pollution
Author:Pielke, R.A., R.A. Stocker, G.S. Poulos, M. Uliasz
Title:Influence of mesoscale circulations on long-range transport in the Grand Canyon area.
Abstract:Using a climatological analysis scheme results are presented relating the relative contribution of long-range versus local pollution to visibility degradation in Grand Canyon National Park.
Location:7
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Record ID:0/751


Date:1/1/1991
Subject:(5) Air Pollution
Author:Pielke, R.A., W.A. Lyons, R.T. McNider, M.D. Moran, D.A. Moon, R.A. Stocker, R.L. Walko, M. Uliasz
Title:Regional and mesoscale meteorological modeling as applied to air quality studies.
Abstract:Current air quality regulatory models are summarized in Turner et al. (1989).
Location:7
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Record ID:0/752


Date:1/1/1987
Subject:(5) Air Pollution
Author:Twomey, S., R. Gall, M. Leuthold
Title:Pollution and cloud reflectance.
Abstract:Conventional power plants are prolific sources of cloud-nucleating particles.
Location:7
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Record ID:0/753


Date:1/1/1990
Subject:(5) Air Pollution
Author:Stocker, R.A., R.A. Pielke, A.J. Verdon, J.T. Snow
Title:Characteristics of plume releases and depicted by balloon launchings and model simulations.
Abstract:On 12 May 1986, approximately 190000 tagged helium balloons were released at 1330 EDT from locations scattered throughout the U.S.
Location:7
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Record ID:0/754


Date:2/1/1988
Subject:(5) Air Pollution
Author:Segal, M., C.-H. Yu, R.A. Pielke
Title:Model evaluation of the impact of thermally induced valley circulations in the Lake Powell area on long-range pollutant transport.
Abstract:A numerical mesoscale model was used to simulate meteorological fields in the Lake Powell area during the summer, providing an input to a Langrangian-type transport/dispersion model evaluation.
Location:7
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Record ID:0/755


Date:1/1/1990
Subject:(5) Air Pollution
Author:Segal, M., X,. Jia, Z. Ye, R.A. Pielke
Title:On the effect of daytime surface evaporation on pollution dispersion.
Abstract:The general effects of surface moisture availability on regional and local pollution dispersion during the day are examined through conceptual modeling and analytic analysis.
Location:7
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Record ID:0/756


Date:1/1/1991
Subject:(5) Air Pollution
Author:Segal, M., J.R. Garratt, R.A. Pielke, P. Hildebrand, F.A. Rogers, J. Cramer, A. Schanot
Title:On the impact of snow cover on daytime pollution dispersion.
Abstract:A preliminary evaluation of the impact of snow cover on daytime pollutant dispersion conditions is made by using conceptual, scaling, and observational analyses.
Location:7
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Record ID:0/757


Date:1/1/1992
Subject:(5) Air Pollution
Author:Uliasz, M., R.A. Pielke
Title:Receptor-oriented dispersion modeling: Extension to nonlinear pollution chemistry.
Abstract:Two complementary approaches presented schematically in Fig. 1 can be used in air quality studies if linear dispersion models are applied.
Location:7
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Record ID:0/758


Date:1/1/1992
Subject:(5) Air Pollution
Author:Uliasz, M., R.A. Pielke
Title:Effect of land surface representation on simulated mesoscale pollution dispersion.
Abstract:Natural or man-changed land surfaces are usually heterogeneous over the resolvable scale of the mesoscale atmospheric models used to create meteorological input for air pollution dispersion models.
Location:7
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Record ID:0/759


Date:1/1/1993
Subject:(5) Air Pollution
Author:Uliasz, M.
Title:The atmospheric mesoscale dispersion model.
Abstract:The mesoscale dispersion modeling system described herein is under development as a simulation tool to investigate atmospheric flow and pollution dispersion over complex terrain for domains up to several hundred kilometers.
Location:7
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Record ID:0/760


Date:2/1/1988
Subject:(5) Air Pollution
Author:Ahmed, N.U., S.K. Chai, J.W. Telford
Title:A numerical model for pollution dispersion in a convective boundary layer.
Abstract:The vertical transfer of material above the surface stress layer in a typical daytime condition over a flat terrain in often dominated by organized convecive motion rather than gradual transfer from eddy to eddy.
Location:7
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Record ID:0/761


Date:4/1/1988
Subject:(5) Air Pollution
Author:Ahmed, N.U., S.K. Chai, J.W. Telford
Title:Material dispersion in a convective field.
Abstract:Looping, bifurcatin, and meandering of a plume are generally observed in a convective field.
Location:7
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Record ID:0/762


Date:1/1/1988
Subject:(5) Air Pollution
Author:Arritt, R.W., R.A. Pielke, M. Segal
Title:Variations of sulfur dioxide deposition velocity resulting from terrain-forced mesoscale circulations.
Abstract:Variations of dry deposition velocity for SO2 due to terrain forced mesoscale circulations have been explored for northeast Colorado and south Florida.
Location:7
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Record ID:0/763


Date:1/1/1988
Subject:(5) Air Pollution
Author:Briggs, G.A.
Title:Surface inhomogeneity effects on convective diffusion
Abstract:It is suggested that convective scaling, with appropriate extensions, provides the most useful framework for estimating the effects of urban-scale surface inhomogeneities on diffusion in convective conditions.
Location:7
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Record ID:0/764


Date:9/1/1981
Subject:(5) Air Pollution
Author:Chylek, P., V. Ramaswamy, R. Cheng, R.G. Pinnick
Title:Optical properties and mass concentration of carbonaceous smoke.
Abstract:Absorption or extinction measurements at wavelengths of 0.5145 and 10.6 um lead to determination of the mass concentration of carbonaceous smokes with an accuracy of ~20%.
Location:7
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Record ID:0/765


Date:11/1/1985
Subject:(5) Air Pollution
Author:Ingel, L.K.H., S.M. Somova
Title:On the interaction of a plume of heat-releasing admixture with an inhibiting layer.
Abstract:The interaction between a rising plume of a weightless heat-releasing admixture and the inhibiting layer -- the horizontal interface between two layers of different density -- is examined.
Location:7
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Record ID:0/766


Date:10/1/1984
Subject:(5) Air Pollution
Author:Ching, J.K.S., E.E. Uthe, B.M. Morley, W. Viezee
Title:Observational study of transport in the free troposphere.
Abstract:Anthropogenic pollutants such as acidic precursors, oxidants and particulates can arrive above a convective mixed layer by penetrative convective cloud activity (venting) or by air mass convergence.
Location:7
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Record ID:0/767


Date:10/1/1987
Subject:(5) Air Pollution
Author:Various
Title:The International Journal of Air Pollution Control and Hazardous Waste Management.
Abstract:Technical Papers: A conceptual design of a massive aerometric tracer experiment. Trends and relationships of O3, NOx, and HC in the South Coast air basin of California. Economic analysis of environmental regulations: Lessons from VOC. Standards for paper coating. Effects of chronic doses of ozone on field-grown loblolly pine: Seedling responsees in the first year. Predicting and managing the health risks of sour-gas wells. Measurement of ambient ground-level concentrations of hydrogen flouride. Addressing public fears related to the siting of hazardous waste facilities.
Location:7
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Record ID:0/768


Date:12/1/1987
Subject:(5) Air Pollution
Author:Johnson, W.B., W. Viezee, F.L. Ludwig
Title:Proceedings: EPRI Air Quality Modeling Contractors Meeting.
Abstract:A meeting of EPRI-funded air-quality modelers and experimentalists was held at SRI International Feb. 25-27, 1986. The objective of the meeting was to exchange technical information between the two groups of investigators.
Location:7
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Record ID:0/769


Date:7/1/1986
Subject:(5) Air Pollution
Author:Kaimal, J.C., W.L. Eberhard, W.R. Moninger, J.E. Gaynor, S.W. Troxel, T. Uttal, G.A. Briggs, G.E. Start
Title:Project Condors: Convective Diffusion Observed by Remote Sensors.
Abstract:This report presents results from two diffusion experiments conducted at the Boulder Atmospheric Lab in 1982 and 1983.
Location:7
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Record ID:0/770


Date:
Subject:(5) Air Pollution
Author:
Title:
Abstract:
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Record ID:0/771


Date:3/1/1996
Subject:(5) Air Pollution
(69) Transport And Diffusion
Author:Moran, M.D., Pielke, R.A.
Title:Evaluation of a mesoscale atmospheric dispersion modeling system with observations from the 1980 Great Plains Mesoscale Tracer Field Experiment. Part I: Datasets and meteorological simulations.
Abstract:The Colorado State University mesoscale atmospheric dispersion (MAD) numerical modeling system, which consists of a prognostic mesoscale meteorological model coupled to a mesoscale Lagrangian particle dispersion model, has been used to simulate the transport and diffusion of a perfluorocarbon tracer-gas cloud for one afternoon surface release during the 1980 Great Plains mesoscale tracer field experiment. Ground-level concentration (GLC) measurements taken along arcs of samplers 100 and 600 km downwind of the release site at Norman, Oklahoma, up to three days after the tracer release were available for comparison.
Location:8
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Record ID:0/772


Date:3/1/1996
Subject:(5) Air Pollution
(69) Transport And Diffusion
Author:Moran, M., R.A. Pielke
Title:Evaluation of a mesoscale atmospheric dispersion modeling system with observatoins from the 1980 Great Plains Mesoscale Trace Field Experiment. Part II: Dispersion simulations.
Abstract:The Colorado State University mesoscale atmospheric dispersion (MAD) numerical modeling system, which consists of a prognostic mesoscale meteorological model coupled to a mesoscale Lagrangian particle dispersion model (MLPDM), has been used to simulate the emission, transport, and diffusion of a perfluorocarbon tracer-gas cloud for one afternoon surface release during the July 1980 Great Plains mesoscale tracer field experiment.
Location:8
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Record ID:0/773


Date:07/01/1995
Subject:(5) Air Pollution
(69) Transport And Diffusion
Author:Lee, R.L., J.R. Albritton, D.L. Ermak, J. Kim
Title:Computational fluid dynamics modeling for emergency preparedness & response
Abstract:Computational fluid dynamics (CFD) has played an increasing role in the improvement of atmospheric dispersion modeling.
Location:7
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Record ID:0/774


Date:7/1/1995
Subject:(5) Air Pollution
(69) Transport And Diffusion
Author:Lee, R.L., E. Naslund
Title:Numerical simulations of turbulent dispersion around buildings via a Lagrangian stochastic particle model
Abstract:This paper describes a numerical modeling approach that can be used to provide estimates of air concentrations due to emissions at industrial sites or other sites
Location:Box 7
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Record ID:0/775


Date:04/01/2007
Subject:(5) Air Pollution
Author:Forster, Caroline, Andreas Stohl, Petra Seibert
Title:Parameterization of Convective Transport in a Lagrangian Particle Dispersion Model and Its Evaluation
Abstract:This paper presents the revision and evaluation of the interface between the convective parameterization by Emanuel and Živkovi-Rothman and the Lagrangian particle dispersion model “FLEXPART” based on meteorological data from the European Centre for Medium-Range Weather Forecasts (ECMWF).
Location:http://ams.allenpress.com/perlserv/?request=get-toc&issn=1558-8432&volume=46&issue=4
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Record ID:0/776


Date:07/01/1988
Subject:(7) Atmospheric Chemistry
Author:Flossmann, A.I., H.R. Pruppacher
Title:A theoretical study of the wet removal of atmospheric pollutants. Part III: The uptake, redistribution, and deposition of (NH_4)_2 SO_4 particles by a convective cloud using a two-dimensional cloud dynamics model
Abstract:Our model for the scavenging of aerosol particles has been coupled with the two-dimensional form of the convective cloud model of Clark and collaborators. The combined model was then used to simulate a convective warm cloud for the meteorological
Location:0
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Record ID:0/777


Date:04/01/1981
Subject:(7) Atmospheric Chemistry
Author:Baboolal, L.B., J.R. Pruppacher, J.H. Topalian
Title:A sensitivity study of theoretical model of SO_2 scavenging by water drops in air
Abstract:The rate at which SO_2 is removed from air by a water drop has been investigated by solving numerically the convective diffusion equation for SO_2 diffusing through air into a water drop where the species SO_2, H_2O, HSO_3 and SO_4 were assumed to form. The drops were assumed to be either at rest or falling at terminal velocity
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Record ID:0/778


Date:05/01/1990
Subject:(7) Atmospheric Chemistry
Author:Defelice, T.P., V.K. Saxena
Title:Temporal and vertical distribution of acifity and ionic composition in clouds: Comparison between modeling results and observations
Abstract:Cyclic temporal variations of pH and ionic concentration in sampled clouds which traversed the Mt. Mitchell State Park site (35 deg. 44'05'N, 82 deg. 17'15'W, 2006 m MSL) during the summers of 1986, 1987, and 1988 are reported. These clouds
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Record ID:0/779


Date:01/01/1983
Subject:(7) Atmospheric Chemistry
Author:Lee, I-Y.
Title:Formation of sulfate in a cloud-free environment
Abstract:A model of sulfate aerosol growth, containing homogeneous gas kinetics, particle growth by coagulation and heteromolecular diffusion, and solar radiation effects has been developed to examine the microphysical mechanisms associated with clear-air transformation of
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Record ID:0/780


Date:00/00/1982
Subject:(7) Atmospheric Chemistry
Author:Liu, M-K., D.A. Stewart
Title:A mathematical model for the analysis of acid deposition
Abstract:This paper describes the use of a regional-scale air quality model as a diagnostic tool for analyzing problems associated with acid rain. The model, which is hybrid in nature, consists of a puff module and a grid module. The puff module computes the evolution of individual puffs, such as the horizontal and vertical standard deviations of the puff spreads and the location of
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Record ID:0/781


Date:01/01/1983
Subject:(7) Atmospheric Chemistry
Author:Nair, P.V.N., P.V. Joshi, U.C. Mishra, K.G. Vohra
Title:Growth of aqueous solution droplets of HNO_3 and HCl in the atmosphere
Abstract:Computed values of equilibrium sizes and composition of uncharged and charged aqueous solution droplets of HNO_3 and HCl at 25 deg C, relative humidities from 5 to 10%, and solute vapor activities from 10^_-4 to 10^7 are presented
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Record ID:0/782


Date:11/15/1990
Subject:(7) Atmospheric Chemistry
Author:Rood, R.B., J.A. Kaye, A.R. Douglass, D.J. Allen, S. Steenrod, E.M. Larson
Title:Wintertime nitric acid chemistry: Implications from three-dimensional model calculations
Abstract:A three-dimensional simulation of the evolution of HNO_3 has been run for the winter of 1979. Winds and temperatures are taken from a stratospheric data assimilation analysis, and the chemistry is based on Limb Infrared Monitor of the Stratosphere (LIMS)
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Record ID:0/783


Date:06/01/1981
Subject:(7) Atmospheric Chemistry
Author:Scott, B.C.
Title:Sulfate washout ratios in winter storms
Abstract:Washout ratios for sulfate were computed from simultaneous measurements of sulfate in precipitation and in the air below cloud base. Stratification of the data according to predominant model of precipitation growth (growth primarily by accretion of liquid cloud droplets versus growth primarily by vapor deposition onto ice particles) illustrated that for cases of accretional growth the washout
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Record ID:0/784


Date:05/01/1986
Subject:(7) Atmospheric Chemistry
(15) Cloud Venting
Author:Tremblay, A., H. Leighton
Title:A three-dimensional cloud chemistry model
Abstract:A cloud chemistry model is formulated in terms of continuity equations for chemical species in the aqueous and gaseous phases within the cloud.
Location:2
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Record ID:0/785


Date:04/01/1981
Subject:(7) Atmospheric Chemistry
Author:Walcek, C., P.K. Wang, J.H. Topalian, S.K. Mitra, H.R. Pruppacher
Title:An experimental test of a threoretical model to determine the rate at which freely falling water drops scavenge SO_2 in air
Abstract:An experimental method involving the UCLA Rain Shaft is described. This method allows determining the rate at which SO_2 is scavenged from air by freely falling water drops. In the present experiment water drops of radii near 300 mu m were allowed to pass through a chamber filled with SO_2 whose partial pressure was determined
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Record ID:0/786


Date:09/01/1994
Subject:(7) Atmospheric Chemistry
Author:Huret, N., N. Chaumerliac, H. Isaka, E.C. Nickerson
Title:Influence of different microphysical schemes on the prediction of dissolution of nonreactive gases by cloud droplets and raindrops
Abstract:The microphysical formulations are closely compared to evaluate their impact upon gas scavenging and wet deposition processes. They range from a classical bulk approach to a fully spectral representation, including an intermediate semispectral parameterization. Detailed comparisons among the microphysical rates, provided by these three parameterizations are performed with special emphasis on evaporation rate calculations. This comparative study is
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Record ID:0/787


Date:04/01/1994
Subject:(7) Atmospheric Chemistry
Author:Molders, N., H. Hass, H.J. Jakobs, M. Laube, A. Ebel
Title:Some effects of different cloud parameterizations in a mesosclae model and a chemistry transport model
Abstract:Chemistry transport models aften ignore the cloud parameters that can be provided by meteorological pre-processors like mesoscale meteorological models. They often recalculate these parameters with algorithms that differ from those used in the meteorological preprocessors. Hence, inconsistencies can occur between the treatment of clouds in the meteorological and chemical part of the model package.
Location:1
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Record ID:0/788


Date:00/00/1994
Subject:(7) Atmospheric Chemistry
Author:Molders, N, M. Laube
Title:A numerical study on the influence of different cloud treatment in a chemical transport model on gas phase distribution
Abstract:0
Location:1
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Record ID:0/789


Date:11/01/1994
Subject:(7) Atmospheric Chemistry
Author:Collett, Jr., J.L., A. Bator, X. Rao, B.B. Demoz
Title:Acidity variations across the cloud drop size spectrum and their influence on rates of atmospheric sulfate prodution
Abstract:0
Location:1
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Record ID:0/790


Date:02/21/1994
Subject:(7) Atmospheric Chemistry
Author:Huret, N.
Title:Regional modeling of humid orographic deposits. Dependance on microphysical and chemical processes.
Abstract:0
Location:1
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Record ID:0/791


Date:00/00/1994
Subject:(7) Atmospheric Chemistry
Author:De Valk, J.P.J.M.M.
Title:A model for cloud chemistry: A comparison between model simulations and observations in stratus and cumulus.
Abstract:0
Location:1
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Record ID:0/792


Date:01/00/1995
Subject:(7) Atmospheric Chemistry
Author:Smith, R.B., D. Rye, H. Ochs, R. Rauber, G. Kok
Title:Stable isotopes of water in the troposhere
Abstract:0
Location:1
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Record ID:0/793


Date:07/00/1995
Subject:(7) Atmospheric Chemistry
Author:Kreidenweis, S.M.
Title:Atmospheric aerosol research in the U.S.: 1991-1994
Abstract:No Abstract
Location:AtmChem-1
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Record ID:0/794


Date:6/1/1995
Subject:(7) Atmospheric Chemistry
Author:Respondek, P.S., A.I. Flossmann, R.R. Alheit, H.R. Pruppacher
Title:A theoretical study of the wet removal of atmospheric pollutants. Part V: The Uptake, redistribution, and deposition of (NH_4)_2SO_4 by a convective cloud containing ice
Abstract:The effects of an ice phase on the wet deposition of aerosol particles was sutdied by means of the author's 2D cloud dynamics model with spectral microphysics
Location:Box 1
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Record ID:0/795


Date:1/1/1995
Subject:(7) Atmospheric Chemistry
Author:Kramm, G., R. Dlugi, G.J. Dollard, T. Foken, N. Molders, H. Muller, W. Seiler, H. Sievering
Title:On the dry deposition of ozone and reactive nitrogen species.
Abstract:Dry deposition of ozone and reactive nitrogen species, such as NO, NO2, NO3, N2O5, HNO3, NH3 and NH4NO3 is examined in the context of numerical methods.
Location:1
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Record ID:0/796


Date:7/1/1996
Subject:(7) Atmospheric Chemistry
Author:Baechmann, K., P. Ebert, I. Haag, T. Prokop
Title:The chemical content of raindrops as a function of drop radius - I. Field measurements at the cloud base and below the cloud.
Abstract:In previous field studies it was found that raindrops of different sizes show a strong dependence between their chemical content and their drop radius. In all these cases drops were sampled at the ground far below the cloud base using the Guttalgor method.
Location:2
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Record ID:0/797


Date:7/1/1996
Subject:(7) Atmospheric Chemistry
Author:Baechmann, K., P. Ebert, I. Haag, T. Prokop, K. Steigerwald
Title:The chemical content of raindrops as a function of drop radius - II. Field experimental study on the scavenging of marked aerosol particles by raindrops sampled as a function of drop size.
Abstract:The present work attempts to explain the relation between the concentration of a chemical species in raindrops and the drop radius.
Location:2
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Record ID:0/798


Date:9/20/1995
Subject:(7) Atmospheric Chemistry
Author:Perry, K.D., P.V. Hobbs
Title:Correction to 'Further evidence for partical nucleation in clean air adjacent to marine cumulus clouds.'
Abstract:No abstract.
Location:2
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Record ID:0/799


Date:1/1/1996
Subject:(7) Atmospheric Chemistry
Author:Hannemann, A.U., S.K. Mitra, H.R. Pruppacher
Title:On the scavenging of gaseous nitrogen compounds by large and small rain drops: II Wind Tunnel and theoretical studies of the simultaneous uptake of NH3, SO2 and CO2 by water drops.
Abstract:An experimental investigation of the simultaneous absorption of NH3 and SO2 from the ambient atmosphere by freely falling water drops has been carried out in the Mainz vertical wind tunnel.
Location:2
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Record ID:0/800


Date:1/1/1996
Subject:(7) Atmospheric Chemistry
(22) Cumulus Models
Author:Chunsheng, Z., Q. Yu
Title:Numerical modeling of cumulus cloud chemistry -- Part II: The impact of cumulus cloud processes on ozone chemistry.
Abstract:Ozone chemistry processes are analyzed during a cumulus cloud process with the model described in Part I. The simulation results show that entire cumulus cloud process can be well described with the development of vertical velocities and liquid water content which are the two most outstanding features of cumulus clouds.
Location:Atmos. Chem. Box 2
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Record ID:0/801


Date:1/1/1996
Subject:(7) Atmospheric Chemistry
Author:Leighton, H.G., L. Lauzon, W.R. Leaitch
Title:Evaluation of a three-dimensional cloud chemistry model.
Abstract:To evaluate the effectiveness of a 3-D dynamical cloud model in simulating cloud water chemistry, the ion concentrations in simulated clouds are compared with the results of chemical analyses of collected cloud water samples.
Location:2
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Record ID:0/802


Date:2/1/1995
Subject:(7) Atmospheric Chemistry
Author:Kikuchi, K., M. Yoshizawa, Y. Asuma, H. Uyeda
Title:The acidity of snowfalls and its variation through the processes of accumulation and melting.
Abstract:This study is concerned with the characteristics of acidity of snowfalls brought by the northwestly winter monsoons, low pressure systems and other disturbances around Sappoor, Hokkaido, Japan.
Location:2
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Record ID:0/803


Date:01/01/1997
Subject:(7) Atmospheric Chemistry
Author:Shaw, G.E.
Title:Aerosols at Mt. Lemmon: Estimates of gas-to-particle conversion rate
Abstract:As part of a research project to investigate sources, sinks and climate influence of aerosols we carried out measurements of the aerosol size (diameter), area and volume distributions
Location:2
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Record ID:0/804


Date:5/1/1990
Subject:(7) Atmospheric Chemistry
Author:Leighton, H.G., M.K. Yau, A.M. McDonald, J.S. Pitre, A. Giles
Title:A numerical simulation of the chemistry of a rainband.
Abstract:Comparisons between the observations of a rainband and the results of a numerical simulation with a 2D dynamical chemical model are presented.
Location:2
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Record ID:0/805


Date:1/1/1989
Subject:(7) Atmospheric Chemistry
Author:Iribarne, J.V., H.R. Cho
Title:Models of cloud chemistry
Abstract:Clouds and precipitation systems play a very important role in the transformations and redistribution of chemical species in the atmosphere.
Location:2
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Record ID:0/806


Date:7/1/1994
Subject:(7) Atmospheric Chemistry
Author:Barth, M.C.
Title:Numerical modeling of sulfur and nitrogen chemistry in a narrow cold-frontal rainband: The impact of meteorological and chemical parameters.
Abstract:To better understand the impact of various meteorological and chemical parameters on chemical deposition from winter storms, the chemistry and microphysics of a narrow cold-frontal rainband and it associated stratiform region were examined with a 2D numerical cloud model.
Location:2
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Record ID:0/807


Date:4/20/1992
Subject:(7) Atmospheric Chemistry
Author:Barth, M.C., D.A. Hegg, P.V. Hobbs
Title:Numerical modeling of cloud and precipitation chemistry associated with two rainbands and some comparisons with observations.
Abstract:A diagnostic modeling study is described of the chemistry of a pair of rainbands, consisting of a narrow and a wide cold-frontal rainband, which were associated with a cold front on the mid-Atlantic coast of the United States.
Location:2
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Record ID:0/808


Date:7/1/1988
Subject:(7) Atmospheric Chemistry
Author:Borys, R.D, E.E. Hindman, P.J. DeMott
Title:The chemical fractionation of atmospheric aerosol as a result of snow crystal formation and growth.
Abstract:The relationships between the physical and chemical properties of mixed-phase clouds were investigated at Storm Peak Laboratory (3220m MSL) located near the continental divide in northwestern Colorado.
Location:0
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Record ID:0/809


Date:6/2/1983
Subject:(7) Atmospheric Chemistry
Author:Borys, R.D., P.J. DeMott
Title:Snowfall chemical composition: The role of snow crystal riming.
Abstract:During the winter of 1981-1982, samples of falling snow and cloud water were collected concurrently in clouds which enveloped Storm Peak Laboratory (SPL) at 3156m MSL near Steamboat Springs, Colorado.
Location:0
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Record ID:0/810


Date:10/15/1987
Subject:(7) Atmospheric Chemistry
Author:Flossmann, A.I., H.R. Pruppacher, J.H. Topalian
Title:A theoretical study of the wet removal of atmospheric polutants. Part II: The uptake and redistribution of (NH_4)_2 SO_4 Particles and SO2 gas simultaneously scavenged by growing cloud drops.
Abstract:A theoretical model has been formulated which allows the processes which control the wet deposition of atmospheric aerosol particles and pollutant gases to be included in cloud dynamic models.
Location:0
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Record ID:0/811


Date:4/1/1957
Subject:(7) Atmospheric Chemistry
Author:Greenfield, S.M.
Title:Rain scavenging of radioactive particulate matter from the atmosphere.
Abstract:On the basis of Langmuir's theory of collection efficiencies, a model is derived to explain the removal of radioactive particulate mater from the atmosphere by rain.
Location:0
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Record ID:0/812


Date:4/20/1985
Subject:(7) Atmospheric Chemistry
Author:Hegg, D.A.
Title:The importance of liquid-phase oxidatoin of SO_2 in the troposphere.
Abstract:A recent cloud climatology is employed to estimate the tropospheric liquid water burden as a function of latitude.
Location:0
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Record ID:0/813


Date:9/1/1981
Subject:(7) Atmospheric Chemistry
Author:Hegg, D.A., P.V. Hobbs
Title:Cloud water chemistry and the production of sulfates in clouds.
Abstract:Measurements are presented of the pH and ionic content of water collected in clouds over Western Washington and the Los Angelos Basin.
Location:0
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Record ID:0/814


Date:8/20/1982
Subject:(7) Atmospheric Chemistry
Author:Hoell, J.M., Ed.
Title:Assessment of Techniques for Measuring Tropospheric HxOy
Abstract:No abstract.
Location:0
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Record ID:0/815


Date:9/1/1988
Subject:(7) Atmospheric Chemistry
Author:Kawa, S.R.
Title:The chemistry and dynamics of marine stratocumulus.
Abstract:This thesis is a study of ozone chemistry and meteorological processes occurring in the eastern North Pacific stratocumulus regime.
Location:0
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Record ID:0/816


Date:09/20/1993
Subject:(7) Atmospheric Chemistry
(15) Cloud Venting
(5) Air Pollution
Author:Wang, C., J.S. Chang
Title:A three-dimensional numerical model of cloud dynamics, microphysics, and chemistry. 3. Redistribution of pollutants
Abstract:The evolution of chemical species during the life cycle of a severe local storm has been simulated using our three-dimensional cloud chemistry model (Wang and Chang, 1993a,b).
Location:2
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Record ID:0/817


Date:06/20/1995
Subject:(7) Atmospheric Chemistry
Author:Wang, C., P.J. Crutzen, V. Ramanathan, S.F. Williams
Title:The role of a deep convective storm over the tropical Pacific Ocean in the redistribution of atmospheric chemical species
Abstract:A deep convective storm observed during the Central Equatorial Pacific Experiment (CEPEX) has been simulated using the two-dimensional version of a three-dimensional cloud dynamics, microphysics, and chemistry model.
Location:2
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Record ID:0/818


Date:06/20/1995
Subject:(7) Atmospheric Chemistry
(15) Cloud Venting
Author:Wang, C., P.J. Crutzen
Title:Impact of a simulated severe local storm on the redistribution of sulfure dioxide
Abstract:A series of numerical experiments in a two-dimensional framework have been carried out in order to investigate the impact of a severe summertime, midlatitude storm on the
Location:2
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Record ID:0/819


Date:09/20/1993
Subject:(7) Atmospheric Chemistry
(15) Cloud Venting
(5) Air Pollution
Author:Wang, C., J.S. Chang
Title:A three-dimensional numerical model of cloud dynamics, microphysics, and chemistry. 4. Cloud chemistry and precipitation chemistry
Abstract:A study of the cloud chemistry and precipitation chemistry of the three-dimensional cloud chemical modeling of a severe local storm case (Wang and Chang, this issue) is discussed in this paper.
Location:2
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Record ID:0/820


Date:07/01/1994
Subject:(7) Atmospheric Chemistry
Author:Easter, R.C., L.K. Peters
Title:Binary homogeneous nucleation: Temperature and relative humidity fluctuations, nonlinearity, and aspects of new particle production in the atmosphere
Abstract:Binary homogeneous nucleation of sulfuric acid and water vapor is thought to be the primary source of new particles in the marine atmosphere
Location:2
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Record ID:0/821


Date:08/20/1993
Subject:(7) Atmospheric Chemistry
(15) Cloud Venting
(5) Air Pollution
Author:Wang, C., J. S. Chang
Title:A three-dimensional numerical model of could dynamics, microphysics, and chemistry. 1. Concepts and Formulation
Abstract:We have developed a three-dimensional, comprehensive cloud modeling system with detailed descriptions of synamics, microphysics, and chemistry.
Location:2
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Record ID:0/822


Date:08/20/1993
Subject:(7) Atmospheric Chemistry
(15) Cloud Venting
(5) Air Pollution
Author:Wang, C., J. S. Chang
Title:A three-dimensional numerical model of cloud dynamics, microphysics, and chemistry. 2. A Case Study of the Dynamics and Microphysics of a Severe Local Storm.
Abstract:A strong convective storm has been modeled by using our three-dimensional cloud model.
Location:2
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Record ID:0/823


Date:07/01/1999
Subject:(7) Atmospheric Chemistry
Author:Fuller, K.A., W.C. Malm, S.M. Kreidenweis
Title:Effects of mixing on extinction by carbonaceous particles
Abstract:Reported values for the absorption cross section of particulate carbon per unit mass range from under 4 to over 20 m^2/g, and the intermedicate value of 10 m^2/g is used by many as a standard gram-specific absorption cross section for atmospheric soot.
Location:1
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Record ID:0/824


Date:08/01/1999
Subject:(7) Atmospheric Chemistry
Author:Audiffren, N., S. Cautenet, N. Chaumerliac
Title:A modeling study of the influence of ice scavenging on the chemical compoosition of liquid-phase precipitation of a cumulonimbus cloud
Abstract:Evidence of the efficient removal of chemicals by ice particles has been deduced from past field experiments and labratory studies.
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Record ID:0/825


Date:01/01/2000
Subject:(7) Atmospheric Chemistry
(15) Cloud Venting
Author:Wang, C., R.G. Prinn
Title:On the roles of deep convective clouds in tropospheric chemistry
Abstract:The impact of deep convection on tropospher chemistry has been studied using a cloud-resolving model including integrated dynamics, cloud and aerosol microphysics, gaseous and aqueous chemistry, radiation, and lighning production of NO.
Location:0
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Record ID:0/826


Date:01/01/1999
Subject:(7) Atmospheric Chemistry
(8) Atmospheric Electricity
Author:Jonsson, H.H.
Title:Personal report: Bernard Vonnegut 1914-1997
Abstract:With this special issue of Atmospheric Research we attempt to honor Dr. Bernard Vonnegut, a long term member of the editorial board.
Location:0
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Record ID:0/827


Date:01/01/1999
Subject:(7) Atmospheric Chemistry
Author:Chien, W., R.G. Prinn
Title:Impact of emissions, chemistry and climate on atmospheric carbon monoxide: 100yr predictions from a global chemistry-climate model
Abstract:The possible trends for atmospheric carbon monoxide in the next 100yr have been illustrated using a couple atmosperic chemistry and climate model driven
Location:2
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Record ID:0/828


Date:02/20/1998
Subject:(7) Atmospheric Chemistry
Author:Chien, W., R.G. Prinn, A. Sokolov
Title:A global interactive chemistry and climate model: formulation and testing
Abstract:In order to elucidate interactions between climate change and biogeochemical processes and to provide a tool for comprehensive analysis of sensitivity
Location:2
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Record ID:0/829


Date:06/20/1995
Subject:(7) Atmospheric Chemistry
Author:Chien, W., P.J. Crutzen, V. Ramanathan
Title:The role of a deep convective storm over the tropical pacific ocean in the redistribution of atmospheric chemical species
Abstract:A deep convective storm observed during the central equatorial pacific experiment (CEPEX) has been simulated using the two-demensional version of a
Location:2
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Record ID:0/830


Date:01/01/1999
Subject:(7) Atmospheric Chemistry
Author:Wang, C., R.G. Prinn
Title:Interactive chemistry and climate models in global change studies
Abstract:Continually increasing atmospheric concentrations of radiatively important chemical species such as CO2, CH4, N2O, tropospheric O3, and certain halocarbons most likely will cause future climate changes,
Location:2
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Record ID:0/831


Date:01/01/1999
Subject:(7) Atmospheric Chemistry
Author:Chien, W., R.G. Prinn
Title:Interactive chemistry and climate models in global change studies
Abstract:Continually increasing atmospheric concentrations of radiatively important chemical species such as CO_2, CH_4, N_2O, trophospheric O_3, and certain
Location:2
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Record ID:0/832


Date:01/01/2001
Subject:(7) Atmospheric Chemistry
Author:Venkataraman, C., A. Mehra, P. Mhaskar
Title:Mechanisms of sulphate aerosol production in clouds: effects of cloud characteristics and season in the Indian region
Abstract:Measurements made during the Indian Ocean Experiment (INDOEX) in 1998, indicate likely regional atmospheric effects of sulphate aerosol over India including the potential for cloud processing of SO2 to sulphate.
Location:0
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Record ID:0/833


Date:04/78
Subject:(7) Atmospheric Chemistry
Author:Corrin, M.L.
Title:Atmospheric Chemistry
Abstract:Atmospheric chemisty deals with the fixed and variable constituents of the atmosphere, with chemical changes occurring
Location:2
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Record ID:0/834


Date:08/01/1976
Subject:(7) Atmospheric Chemistry
(45) Microphysics - Ice Phase
Author:Vali, G., M. Christensen, R.W. Fresch, E.L. Galyan, L.R. Maki, and R.C. Schnell
Title:Biogenic ice nuclei. Part II: Bacterial sources
Abstract:Transient appearance of ice nuclei active at temperatures of -2 to -5OC has been noted to accompany the natural decay of plant leaf materials.
Location:4
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Record ID:0/835


Date:01/01/2005
Subject:(7) Atmospheric Chemistry
Author:Wang, C., R.G. Prinn
Title:Correction to 'Reply to comment by John H. Helsdon Jr. on 'On the roles of deep convective clouds in tropspheric chemistry' by C. Wang and R.G. Prinn
Abstract:Editors note: Journal Geophysical Research encourages open scientific discussion in the form of comments on published papers, with replies by the original authors. The paper 'On the roles of deep convective clouds in tropspheric chemistry'...
Location:2
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Record ID:0/836


Date:01/01/2006
Subject:(7) Atmospheric Chemistry
Author:Lopez, J.P., A.M. Fridlind, H-J. Jost, M. Lowenstein, A.S. Ackerman, T.L. Campos, E.M. Weinstock, D.S. Sayres, J.B. Smith, J.V. Pittman, A. G. Hallar, L.M. Avallone, S.M. Davis, R.L. Herman
Title:CO signatures in subtropical convective clouds and anvils during CRYSTAL-FACE: An anlaysis of convective transport and entrainment using observations and a cloud-resolving model
Abstract:Convective systems are an important mechanism in the transport of boundary layer air into the upper troposphere.
Location:2
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Record ID:0/837


Date:11/01/1988
Subject:(8) Atmospheric Electricity
Author:Czys, R.R., H.T. Ochs, III
Title:The influence of charge on the coalescence of water drops in free fall
Abstract:The influence of charge on coalescence was determined in the laboratory for isolated pairs of 340 and 190 micro-m water drops falling freely at terminal velocity. A microcomputer-controlled apparatus was used to produce collisions. Drop charges were independently controlled and collisions occurred in a humid
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Record ID:0/838


Date:07/01/1984
Subject:(8) Atmospheric Electricity
Author:Idone, V.P., R.E. Orville, R.W. Henderson
Title:Ground truth: A positive cloud-to-ground lightning flash
Abstract:We describe the circumstances and effects of a cloud-to-ground lightning flash that lowered positive charge and struck a residential home near Albany, New York. The characteristics of the flash were detected
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Record ID:0/839


Date:00/00/1991
Subject:(8) Atmospheric Electricity
Author:Jayaratne, E.R., D.J. Griggs
Title:Electric charge separation during the fragmentation of rime in an airflow
Abstract:The response of a two-dimensional stably stratified shear flow to diabatic cooling, which represents the evaporative cooling of falling precipitation in the subcloud layer, is examined using both a linear analytical theory and a nonlinear numerical model. The ambient wind
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Record ID:0/840


Date:12/01/1991
Subject:(8) Atmospheric Electricity
Author:Manohar, G.K., S.S. Kandalgaonkar, S.M. Sholapurkar
Title:Point-discharge-current observations in the thunderstorm environment of the years 1987-1988 at Pune
Abstract:Observations of point-discharge current through an artificially erected single point in the thunderstorm environment at Pune during the years 1987-1988 were made and studied for the monthly
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Record ID:0/841


Date:12/01/1983
Subject:(8) Atmospheric Electricity
Author:Nisbet, J.S.
Title:A dynamical model of thundercloud electric fileds
Abstract:A dynamic interactive computer model of the electrical behavior of a thundercloud surrounded by the distributed atmosphere, earth, ionosphere circuit is described. The electrification mechanisms in the model are represented by current of voltage generators.
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Record ID:0/842


Date:08/01/1992
Subject:(8) Atmospheric Electricity
Author:Rasmussen, E., T. Rickenbach
Title:A radar and electrical study of tropical 'hot towers'
Abstract:Radar and electrical measurements for deep tropical convection are examined for both 'break period' and 'monsoonal' regimes in the vicinity of Darwin, Australia. Break period convection consists primarily of deep continental convection, whereas
Location:2
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Record ID:0/843


Date:07/01/1988
Subject:(8) Atmospheric Electricity
(42) Mesoscale Convective Systems
Author:Rutledge, S.A., D.R. MacGorman
Title:Cloud-to-ground lightning activity in the 10-11 June 1985 mesoscale convective system observed durng Oklahoma-Kansas PRE-STORM Project
Abstract:As part of the field progrma for the Oklahoma-Kansas PRE-STORM Project conducted in May-June 1985, a network of electromagnetic direction-finders to locate and detect the plarity of cloud-to-ground (CG) lightning flashes associated with mesoscale
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Record ID:0/844


Date:05/01/1983
Subject:(8) Atmospheric Electricity
Author:Takahashi, T.
Title:A numerical simulation of winter cumulus electrification. Part I: Shallow cloud
Abstract:The development of electricity in a shallow wintertime cumulus was studied using an axisymmetric cloud model containing both microphysical and electricial charge separation processes during graupel formation. The charge separation mechanisms considered included ion induction, ion diffusion, polarization and riming
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Record ID:0/845


Date:00/00/1981
Subject:(8) Atmospheric Electricity
Author:Tzur, I., Z. Levin
Title:Ions and precipitation charging in warm and cold clouds as similated in one-dimensional time-dependent models
Abstract:One-dimensional time-dependent models of warm and cold clouds were constructed to test the electrical and precipitation development in the presence of a variety of charge separation mechanisms. The models simulate charging by ion diffusion, the Wilson effect (ion conduction), polarization induction, the Workman-Reynolds effect and the thermoelectric effect. It was
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Record ID:0/846


Date:03/15/1994
Subject:(8) Atmospheric Electricity
Author:Ziegler, C.L., D.L. MacGorman
Title:Observed lightning morphology relative to modeled space charge and electric field distributions in a tornadi storm
Abstract:This study uses a kinematic cloud model that includes electrification and lightning discharge processes to investigate hypotheses concerning intracloud lightning flash rates in the Binger, OK, tornadic storm of 22 May 1981. MacGorman et al. have observed that intracloud (IC) flash rates in this storm's mesocyclone
Location:Citation Only, Full Text Not In Library
Record ID:0/847


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:MacGorman, D.R., D.W. Burgess
Title:Positive cloud-to-ground lightning in tornadic storms and hailstorms.
Abstract:Although negative ground flashes usually dominate cloud-to-ground lightning activity, positive ground flashes can dominate in some severe storms for periods ranging from 30 min to several hours. Unlike most other types of storms in which positive ground flashes occur, severe storms can have positive flash rates and densities of strike points comparable to those usually observed for negative ground flashes in active thunderstorms.
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Record ID:0/848


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Reap, R.M.
Title:Analysis and prediction of lightning strike distributions asociated with synoptic map types over Florida.
Abstract:The temporal and spatial distributins of lightning activity associated with specific synoptic regimes of low-level wind flow were analyzed as part of an experiment to develop improved statistical thunderstorm forecasts for Florida.
Location:Citation Only, Full Text Not In Library
Record ID:0/849


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Watson, A.I., R.L. Holle, R.E. Lopez
Title:Cloud-to-ground lightning and upper-air patterns during bursts and breaks in the Southwest monsoon
Abstract:Convective bursts and breaks in the southwest U.S. monsoon are investigated in a lightning context because cloud-to-ground (CG) lightning is an excellent indicator of deep convection. Bursts and breaks are identified using six years of Bureau of Land Management CG lightning information.
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Record ID:0/850


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Stolzenburg, M.
Title:Observations of high ground flash densities of positive lightning in summertime thunderstorms.
Abstract:Observations of summertime thunderstorms indicate that positive polarity cloud-to-ground lightning activity can occur with rates as high as 67 flashes in 5 min and spatial densities up to 0.60 flashes per square kilometer per hour. All ground flashes in a storm may be positive for substantial periods.
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Record ID:0/851


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Zipser, E.J., K.R. Lutz
Title:The vertical profile of radar reflectivity of convective cells: a strong indicator of storm intensity and lightning probability?
Abstract:Reflectivity data from Doppler radars are used to construct vertical profiles of radar reflectivity (VPRR) of convective cells in mesoscale convective systems (MCSs) in three different environmental regimes. The National Center for Atmospheric Research CP-3 and CP-4 radars are used to calculate median VPRR for MCSs in the Oklahoma-Kansas Preliminary Regional Experiment for STORM-Central in 1985.
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Record ID:0/852


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Stolzenburg, M., T.C. Marshall, W.D. Rust, B.F. Smull.
Title:Horizontal distribution of electrical and meteorological conditions across the stratiform region of a mesoscale convective system.
Abstract:Five soundings of the electric field and thermodynamic properties were made in a mesoscale convective system (MCS) that occurred in Oklahoma and Texas on 2-3 June 1991. Airborne Doppler radar data were obtained from three passes through the stratiform echo. From these electrical, kinematical, and reflectivity measurements, a conceptual model of the electrical structure of an MCS is developed.
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Record ID:0/853


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Holle, R.L., A.I. Watson, R.E. Lopez, D.R. MacGorman, R. Ortiz, W.D. Otto.
Title:The life cycle of lightning and severe weather in a 3-4 June 1985 PRE-STORM mesoscale convective system
Abstract:Cloud-to-ground lightning falsh characteristics of a series of four mesoscale convective systems (MCS) that occured in Oklahoma and Kansas on 3-4 June 1985 during the Oklahoma-Kansas Preliminary Regional Experiment for STORM-Central project are described. A total of 23,490 flashes were detected by the network from all four MCSs, 96% of them lowered negative charge to ground.
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Record ID:0/854


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Nielsen, K.E., R.A. Maddox, S.V. Vasiloff
Title:The evolution of cloud-to-ground lightning within a portion of the 10-11 June 1985 squall line.
Abstract:The character of cloud-to-ground lightning is examined during the life cycle of a distinct mesoscale segment of the 10-11 June 1985 mesoscale convective system (MCS). Three phases of lightning activity are identified and related to both the radar-observed structure of the convection and to the severe weather produced by the MCS. Positive strikes to ground are dominant when the MCS is first developing.
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Record ID:0/855


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Hondl, K.D., M.D. Eilts
Title:Doppler radar signatures of developing thunderstorms and their potential to indicate the onset of cloud-to-ground lightning.
Abstract:The capability of Doppler weather radars to short-term forecast the initiation of thunderstorms and the onset of cloud-to-ground (CG) lightning is examined. Doppler weather radar data from 28 thunderstorms were analyzed from August 1990 in the central Florida environment. These radar exhoes were associated with CG lightning strike locations from the National Lightning Detection Network and two lightning detection systems operated by the U.S. Air Force in the vicinity of Kennedy Space Center.
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Record ID:0/856


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Zipser, E.J.
Title:Deep cumulonimbus cloud systems in the tropics with and without lightning
Abstract:The thunderstorm frequency over the oceans during the Global Atmospheric Research Program Atlantic Tropical Experiment is quantified by examination of over 20,000 surface houly observations from research ships. The overall thunderstorm frequency is one thunderstorm day per ship per month. There were many examples of intense mesoscale systems, such as squall lines, passing over the ships, extending to 13-17 km in altitude, but that nevertheless produce few reports of lightning.
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Record ID:0/857


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Solomon, R., M. Baker.
Title:Electrification of New Mexico thunderstorms.
Abstract:The authors use a numerical model of early electrification in thunderstorms, together with observations of a series of summer thunderstorms in New Mexico, to understand the roles of certain environmental factors in determining thunderstorm electrification.
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Record ID:0/858


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Samsury, C.E., R.E. Orville
Title:Cloud-to-ground lightning in tropical cyclones: A study of Hurricanes Hugo (1989) and Jerry (1989).
Abstract:Cloud-to-ground lightning characteristics of two Atlantic tropical cyclones of 1989, Hurricanes Hugo and Jerry are presented. Statistics on the number of flashes, location, polarity, peak currents, and multiplicity (number of strokes per flash) are examined in an 18-h period divided into prelandfall and postlandfall categories.
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Record ID:0/859


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Williams, E.R.
Title:Global Circuit response to seasonal variations in global surface air temperature.
Abstract:Comparisons are made between the seasonal behavior of the global electrical circuit and the surface air temperature for the Tropics and for the globe. Positive correlations between global circuit parameters and temperature are identified on both semiannual and annual timescales.
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Record ID:0/860


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Price, C., D. Rind
Title:Modeling global lightning distributions in a general circulation model.
Abstract:A general circulation model (GCM) is used to model global lightning distributions and frequencies. Both total and cloud-to-ground lightning frequencies are modeled using parameterizations that relate the depth of convective clouds to lightning frequencies. The model's simulations of lightning distributions in time and space show good agreement with available observations.
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Record ID:0/861


Date:08/00/1994
Subject:(8) Atmospheric Electricity
Author:Lyons, W.A.
Title:Low-light video observations of frequent luminous structures in the stratosphere above thunderstorms.
Abstract:0
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Record ID:0/862


Date:05/20/1994
Subject:(8) Atmospheric Electricity
(13) Cloud Electrification
Author:Orville, R.E.
Title:Cloud-to-ground lightning flash characteristics in the contigous United States: 1989-1991
Abstract:Wideband magnetic direction finders have been used to obtain a cloud-to-ground lightning flash count for the contigous United States, and area of 7.7 X 10^6km^2, for the period 1989 through 1991. Over 46 million flashes to ground were recorded and are divided among the three years, 13.4 million in 1989, 15.9 million in 1990, and 16.9 million in 1991. Maximum flash densities occur in Florida and increase each year, from 9 flashes km^-2 (1989) to 13 flashes km^-2 (1991).
Location:CldElect-4
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Record ID:0/863


Date:08/01/1994
Subject:(8) Atmospheric Electricity
(13) Cloud Electrification
Author:Rutledge, S.A., W.A. Petersen
Title:Vertical radar reflectivity structure and cloud-to-ground lightning in the stratiform region of MCSs: Further evidence for in situ charging in the stratiform region
Abstract:0
Location:Cloud Electrification-4
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Record ID:0/864


Date:05/01/1984
Subject:(8) Atmospheric Electricity
Author:Kamra, A.K., D.V. Ahire
Title:Electrical atmoization of water dripping from melting ice pieces and its possible role in thunderstorms
Abstract:When a small isolated ice piece of conical shape is suspended with its apex facing down between two horizontal parallel electrodes and an electric field of 1 to 1.6 kV cm^-1 is applied between them with the lower
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Record ID:0/865


Date:02/15/1994
Subject:(8) Atmospheric Electricity
Author:Koshak, W.J., E.P. Krider
Title:A linear method for analyzing lightning field changes.
Abstract:A constrained, least-square method for analyzing multi-station measurements of lightning field changes (Delta Es) is introduced. Previous methods have attempted to fit the spatial pattern of lightning Delta Es using nonlinear models, such as a point charge (Q) or a point dipole (P) model. With the linear method, the Delta Es are described not by models but by a general volume charge distribution that is
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Record ID:0/866


Date:01/01/1994
Subject:(8) Atmospheric Electricity
Author:Kumar, R. V. Singe, J. Rai
Title:Effect of the reaction N + NO -> N^*_2 (v=5) + 0 on the production of NO by lightning
Abstract:The channel heating model is used to study the NO production by lightning. The reaction N + NO -> N^*_2 (v=5) + 0 is included in this model to investigate the effect on NO production. The calculations show significant changes in the NO production reported in earlier studies. It is found that the production of NO decreases by a factor of 2 at lower rates of mixing
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Record ID:0/867


Date:09/01/1990
Subject:(8) Atmospheric Electricity
Author:Moore, P.K., R.E. Orville
Title:Lightning characteristics in lake-effect thunderstorms
Abstract:The characteristics of Great Lakes-induced storms and their cloud-to-ground (CG) lightning flashed are examined for four fall-winter seasons, beginning with the fall 1983-winter 1984 season. Satellite, surface upper air, and lake temperature data were used in the analysis of the meteorological characterists of the storms. The characteristics of the CG lightning flashes were recorded by the State University of New York
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Record ID:0/868


Date:00/00/1984
Subject:(8) Atmospheric Electricity
Author:Takahashi, T.
Title:Thunderstorm electrification--A numerical study
Abstract:The results of a numerical model of thunderstorm electrification that includes riming electrification compare favorably with many cloud observations. A strong electric charge accumulates through two major strages in the cloud: Stage 1 occurs near the cloud top (-30\deg C) in the developing stage when large charges accumulate
Location:2
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Record ID:0/869


Date:11/01/1994
Subject:(8) Atmospheric Electricity
Author:Roohr, P.B., T.H. Vonder Haar
Title:A comparative analysis of the temporal variability of lightning observations and GOES imagery
Abstract:Lightning Positioning and Tracking System (LPATS) data received by the Cooperative Institute for Research in the Atmosphere via a real-time weather data network were used to study the temporal variability of lightning for a frontal system and hurricane that affected the United States in 1989.
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Record ID:0/870


Date:11/01/1994
Subject:(8) Atmospheric Electricity
Author:Vonnegut, B.
Title:Comment on 'A review of thunderstorm electrification processes'
Abstract:0
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Record ID:0/871


Date:11/01/1994
Subject:(8) Atmospheric Electricity
Author:Saunders, C.P.R.
Title:Reply to 'Comment on `A review of thunderstorm electrification processes''
Abstract:0
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Record ID:0/872


Date:09/20/1992
Subject:(8) Atmospheric Electricity
(13) Cloud Electrification
Author:Saunders, C.P.R., I.M. Brooks
Title:The effects of high liquid water content on thunderstorm charging
Abstract:0
Location:CE-4
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Record ID:0/873


Date:01/01/1994
Subject:(8) Atmospheric Electricity
(13) Cloud Electrification
Author:Vonnegut, B.
Title:The atmospheric electricity paradigm
Abstract:Remarkable aspects of the thundercloud are its intense electrification, precipitation, and convection.
Location:4
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Record ID:0/874


Date:01/20/1995
Subject:(8) Atmospheric Electricity
Author:Marshall, T.C., W.D. Rust, M. Stolzenburg
Title:Electrical stucture and updraft speeds in thunderstorms over the southern Great Plains.
Abstract:0
Location:0
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Record ID:0/875


Date:07/00/1995
Subject:(8) Atmospheric Electricity
(13) Cloud Electrification
Author:Beasley, W.H.
Title:Lightning research: 1991-1994
Abstract:No Abstract
Location:CldElect-4
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Record ID:0/876


Date:1/1/1995
Subject:(8) Atmospheric Electricity
Author:Volland, H., Ed.
Title:Handbook of Atmospheric Electrodynamics
Abstract:None
Location:Box 4
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Record ID:0/877


Date:8/25/1995
Subject:(8) Atmospheric Electricity
(13) Cloud Electrification
Author:Boccippio, D.J., E.R. Williams, S.J. Heckman, W.A. Lyons, I.T. Baker, R. Boldi
Title:Sprites, ELF transients, and positive ground strokes
Abstract:In two summertime mesoscale convective systems (MCSs), mesopheric optical sprite phenomena were ofter coincident with both large-amplitude positive cloud-to-ground lightning and
Location:4
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Record ID:0/878


Date:1/15/1996
Subject:(8) Atmospheric Electricity
Author:Scavuzzo, C.M., G.M. Caranti
Title:Thunderstorm electrification analysis: The dependence on the temperature-LWC diagram.
Abstract:The dependence on liquid water content (LWC) and temperature (T) of the charge transfder, and in particular its sign, during ice crystal-graupel collisions is a matter of controversy.
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Record ID:0/879


Date:6/27/1996
Subject:(8) Atmospheric Electricity
(13) Cloud Electrification
Author:Despiau, S., H. Houngninou
Title:Raindrop charge, precipitation, and Maxwell currents under tropical storms and showers.
Abstract:Measurements of electric charges of raindrops, electric field, and Maxwell current were made at Abidjan (5N, 4W) from October 1988 to June 1990.
Location:4
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Record ID:0/880


Date:8/27/1996
Subject:(8) Atmospheric Electricity
Author:French, J.R., J.H. Helsdon, A.G. Detwiler, P.L. Smith
Title:Microphysical and electrical evolution of a Florida thunderstorm. 1. Observations.
Abstract:This study deals with the microphysical and electrical evolution of a thunderstorm that occurred on August 9, 1991, during the Convection and Precipitation/Electrification Experiment in eastern Florida.
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Record ID:0/881


Date:4/1/1997
Subject:(8) Atmospheric Electricity
Author:Orville, R.E., A.C. Silver
Title:Annual Summary: Lightning ground flash density in the contiguous United States.
Abstract:Cloud-to-ground lightning data for the years 1992-1995 have been analyzed for geographical distribution of total flashes, positive flashes, and the percentage of flashes that lower positive charge to ground.
Location:4
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Record ID:0/882


Date:4/1/1997
Subject:(8) Atmospheric Electricity
Author:Maddox, R.A., K.W. Howard, C.L. Dempsey
Title:Intense convective storms with little or no lightning over Central Arizona: A case of inadvertent weather modification.
Abstract:On 20/21 August 1993, deep convective storms occurred across much of Arizona, except for the southwestern quarter of the state.
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Record ID:0/883


Date:12/27/1996
Subject:(8) Atmospheric Electricity
(13) Cloud Electrification
Author:Avila, E.E., G.G. Aguirre Varela, G.M. Caranti
Title:Charging in ice-ice collisions as a function of the ambient temperature and the larger particle average temperature.
Abstract:Measurements of charge transfer between ice particles are reported.
Location:4
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Record ID:0/884


Date:01/01/1997
Subject:(8) Atmospheric Electricity
Author:Brooks, I.M., C.P.R. Saunders, R.P. Mitzeva, S.L. Peck
Title:The effect on thunderstorm charging of the rate of rime accretion by graupel
Abstract:Analysis of laboratory data concerned the charging of small graupel pellets in thundestorms has shown that the charge transferred to a riming target during collision
Location:4
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Record ID:0/885


Date:7/1/1997
Subject:(8) Atmospheric Electricity
Author:Holle, R.L., S.P. Bennett
Title:Lightning ground flashes associated with summer 1990 flash floods and streamflow in Tucson, Arizona: An exploratory study.
Abstract:Eight flash flood events occurred in the Tucson area of southeastern Arizona during the 1990 summer when a high-resolution lightning detection network was operated in the region.
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Record ID:0/886


Date:12/1/1986
Subject:(8) Atmospheric Electricity
Author:Takeda, T., Wu, P.-M., Okada, K.
Title:Dependence of light scattering coefficient of aerosols on relative humidity in the atmosphere of Nagoya.
Abstract:Measurements of scattering coefficient of atmospheric aerosols as a function of relative humdidity and electron-microscope examination of individual particles
Location:3
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Record ID:0/887


Date:2/1/1986
Subject:(8) Atmospheric Electricity
Author:Takeuchi, Y.
Title:Effects of cloud shape on the light scattering.
Abstract:A superimposed sinusoidal model is proposed to investigate the effects of cloud dimension and geometrical fine structure on the light scattering of cumulus clouds in the visible region.
Location:3
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Record ID:0/888


Date:9/1/1985
Subject:(8) Atmospheric Electricity
Author:Titov, G.A.
Title:Radiation transport in the broken-cloud model based on the Poisson point flux.
Abstract:Formulas are obtained for the moments of the optical parameters in a statistically homogeneous and nonisotropic cloud field, modeled on the basis of the Poisson point flux.
Location:3
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Record ID:0/889


Date:5/1/1970
Subject:(8) Atmospheric Electricity
Author:Twomey, S.
Title:On the possible absorption of visible light by clouds.
Abstract:Danielson et al. have compared theoretical and experimental data on shortwave cloud albedos and have suggested that absorption by the cloud nuclei is responsible for the tendency of measured albedo to be lower than those based on theoretical predictions for a non-absorbing atmosphere.
Location:3
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Record ID:0/890


Date:6/1/1976
Subject:(8) Atmospheric Electricity
Author:Twomey, S.
Title:Computations of the absorption of solar radiation by clouds.
Abstract:Using published data for water vapor absoption and for absorption by liquid (or ice) water the absorption of solar radiation by clouds was computed for several representative cloud models.
Location:3
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Record ID:0/891


Date:1/1/1974
Subject:(8) Atmospheric Electricity
Author:Twomey, S.
Title:Pollution and the planetary albedo.
Abstract:Addition of cloud nuclei by pollution can lead to an increase in the solar radiation reflected by clouds.
Location:3
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Record ID:0/892


Date:9/1/1980
Subject:(8) Atmospheric Electricity
Author:Twomey, S., C.F. Bohren
Title:Simple approximations for calculations of absorption in clouds.
Abstract:Scaling principles can be used to transform problems of radiative transfer in media that scatter anisotropically to equivalent isotropic problems with exact solutions.
Location:3
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Record ID:0/893


Date:1/1/1967
Subject:(8) Atmospheric Electricity
Author:Twomey, S., H. Jacobowitz, H.B. Howell
Title:Light scattering by cloud layers.
Abstract:Results of calculations of diffuse reflection and transmission of cloud-model layers are presented.
Location:3
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Record ID:0/894


Date:5/1/1980
Subject:(8) Atmospheric Electricity
Author:Twomey, S., K.J. Seton
Title:Inferences of gross microphysical properties of clouds from spectral reflectance measurements.
Abstract:Spectral reflectances have been calculated by accepted methods for water cloud layers having various microphysical properties.
Location:3
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Record ID:0/895


Date:1/1/1987
Subject:(8) Atmospheric Electricity
Author:Vel'tishchev, N.N., A.S. Ginzburg
Title:Few-level radiative-convective model of the atmosphere.
Abstract:A new type of radiative-convective model of the atmosphere and its possible application to the study of the climatic effects of trace gaseous components of the atmosphere and the effect of different types of aerosols on the climatic system are studied.
Location:3
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Record ID:0/896


Date:7/1/1977
Subject:(8) Atmospheric Electricity
Author:Viskanta, R., R.W. Bergstrom, R.O. Johnson
Title:Radiative transfer in a polluted urban planetary boundary layer.
Abstract:Radiative transfer in a polluted urban atmosphere has been studied using a dynamic model.
Location:3
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Record ID:0/897


Date:2/1/1982
Subject:(8) Atmospheric Electricity
Author:Warren, S.G.
Title:Optical properties of snow.
Abstract:Measurements of the dependence of snow albedo on wavelength, zenith angle, grain size, impurity content, and cloud cover can be interpreted in terms of single-scattering and multiple-scattering radiative transfer theory.
Location:3
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Record ID:0/898


Date:7/1/1980
Subject:(8) Atmospheric Electricity
Author:Webster, P.J., G.L. Stephens
Title:Tropical upper-tropospheric extended clouds: Inferences from winter MONEX.
Abstract:The most common cloud species observed during the Winter Monsoon Experiment was thick (optically black) middle and upper tropospheric extended cloud.
Location:3
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Record ID:0/899


Date:1/1/1978
Subject:(8) Atmospheric Electricity
Author:Welch, R.M., J. Paegle, W.G. Zdunkowski
Title:Two-dimensional numerical simulation of the effects of air pollution upon the urban-rural complex.
Abstract:A 2D radiative-dynamic interaction model is developed to study the impact of air pollution on urban areas and on the regions directly downwind of the city.
Location:3
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Record ID:0/900


Date:5/1/1981
Subject:(8) Atmospheric Electricity
Author:Welch, R.M., W.G. Zdunkowski
Title:The radiative characteristics of noninteracting cumulus cloud fields. Part I: Parameterization for finite clouds.
Abstract:Second order polynomials are used to parameterize cloud reflectivity, transmissivity and absorptivity as functions of cumulus cloud diameter and solar zenith angle.
Location:3
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Record ID:0/901


Date:5/1/1981
Subject:(8) Atmospheric Electricity
Author:Welch, R.M., W.G. Zdunkowski
Title:The radiative characteristics of noninteracting cumulus cloud fields. Part II: Calculations for cloud fields.
Abstract:Calculations of the radiative properties of cumulus cloud fields are presented in terms of observables: sky cover, exponential cloud distribution factor and diameter of the largest and smallest clouds in the distribution.
Location:3
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Record ID:0/902


Date:4/15/1984
Subject:(8) Atmospheric Electricity
Author:Wiscombe, W.J., R.M. Welch, W.D. Hall
Title:The effects of very large drops on cloud absorption. Part I: Parcel Models.
Abstract:In an effort to bring more realism to cloud-radiation calculations, a rising-parcel model of cloud microphysics and a 191 waveband model of atmospheric radiation have been brought to bear on the problem of cloud absorption of solar radiation
Location:3
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Record ID:0/903


Date:3/1/1970
Subject:(8) Atmospheric Electricity
Author:Yamamoto, G., M. Tanaka, S. Asano
Title:Radiative transfer in water clouds in the infrared region.
Abstract:The problem of diffuse reflection, transmission and emission of infrared radiation by water clouds is investigated in the wavelength region from 5-50 u.
Location:3
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Record ID:0/904


Date:1/1/1971
Subject:(8) Atmospheric Electricity
Author:Yamamoto, G., M. Tanaka, S. Asano
Title:Radiative heat transfer in water clouds by infrared radiation.
Abstract:Radiative heat transfer in water clouds is studied by the method of discrete ordinates, taking into account not only scattering, absorption and emission by cloud droplets but also absorption and emission by water vapor in the cloud.
Location:3
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Record ID:0/905


Date:11/01/1992
Subject:(8) Atmospheric Electricity
(41) Mesoscale Meteorology
Author:Churchill, D.D.
Title:Vertical retrieval of solar and infrared irradiances in the stratiform regions of EMEX cloud clusters
Abstract:A technique is described for retrieving upward and downward solar and infrared irradiances in time and height within the stratiform precipitaiton region of two tropical clusters.
Location:4
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Record ID:0/906


Date:7/1/1991
Subject:(8) Atmospheric Electricity
(62) Satellite Meteorology
Author:Adler, R.F., H.-Y.M. Yeh, N. Prasad, W.-K. Tao, J. Simpson
Title:Microwave simulations of a tropical rainfall system with a three-dimensional cloud model.
Abstract:A three-dimensional cloud model-microwave radiative transfer model combination is used to study the relations among the precipitation and other microphysical characteristics of a tropical oceanic squall line and the upwelling radiance at pertinent microwave frequencies.
Location:4
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Record ID:0/907


Date:7/1/1986
Subject:(8) Atmospheric Electricity
Author:Tsay, S.-C., K. Jayaweera, K. Stamnes
Title:Numerical study of the atmospheric radiative transfer process with applications to the Arctic energy balance.
Abstract:A high order discrete-ordinate approximation is utilized to solve the radiative transfer equation for both solar and terrestrial spectra.
Location:4
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Record ID:0/908


Date:2/1/1983
Subject:(8) Atmospheric Electricity
Author:Tsay, S.-C., K. Jayaweera
Title:Physical and radiative properties of summertime Arctic stratus clouds.
Abstract:In the Arctic summer, stratus clouds are frequent, extensive and persistent. they have significant effects on the heat budget of the lower atmosphere adn the sea ice surface.
Location:4
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Record ID:0/909


Date:11/1/1983
Subject:(8) Atmospheric Electricity
Author:Twomey, S.
Title:Radiative effects in California stratus.
Abstract:From microphysical cloud parameters, temperature and moisture measured by aircraft instruments, shortwave and longwave radiation profiles were computed and found to compare satisfactorily with flux measurements made by the aircraft.
Location:4
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Record ID:0/910


Date:11/1/1991
Subject:(8) Atmospheric Electricity
Author:Twomey, S.
Title:Aerosols, clouds and radiation.
Abstract:Most of the so-called
Location:4
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Record ID:0/911


Date:1/1/1985
Subject:(8) Atmospheric Electricity
Author:Twomey, S.A., M. Piepgrass, T.L. Wolff
Title:Reply
Abstract:No abstract. Text: We cannot accept the proposition that, just because measurements may be difficult and their interpretation complicated by problmes such as (in the present instance) imperfect collection of some sizes, we should abandon measurements and trust to
Location:4
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Record ID:0/912


Date:3/1/1987
Subject:(8) Atmospheric Electricity
Author:Weissbluth, M.J., J.M. Davis, S.K. Cox
Title:A modeling study of visibility in the Grand Canyon
Abstract:Using a backward version of the Monte Carlo radiative transfer model, radiance values in the Grand Canyon were simulated to within the precision of 10%.
Location:4
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Record ID:0/913


Date:11/15/19988
Subject:(8) Atmospheric Electricity
Author:Wesley, D.A., S.K. Cox
Title:Radiative processes in upper tropospheric mixed-phase clouds.
Abstract:The diffusional mass evolution of hydrometeors in upper tropospheric clouds for various radiative conditions in the cloud and for varying ambient moisture supply is simulated using a time dependent microphysical model.
Location:4
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Record ID:0/914


Date:6/1/1990
Subject:(8) Atmospheric Electricity
Author:Yeh, H.-Y. M., N. Prasad, R.A. Mack, R.F. Adler
Title:Aircraft microwave observations and simulations of deep convection from 18 to 183 GHz. Part II: Model results.
Abstract:In Part II of the 29 June 1986 case study, a radiative transfer model is used to simulate the aircraft multichannel microwave brightness temperatures presented in Part I and to study the convective storm structure.
Location:4
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Record ID:0/915


Date:1/1/1990
Subject:(8) Atmospheric Electricity
Author:Yeh, H.-Y. M., N. Prasad, R.F. Adler
Title:Tabulation of Mie properties for an effective microwave radiative model.
Abstract:In microwave radiative transfer model simulations of atmospheric convective systems, the Mie calculations usually consume the majority of the computer time necessary for the calculations.
Location:4
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Record ID:0/916


Date:1/1/1976
Subject:(8) Atmospheric Electricity
Author:Zdunkowski, W.G., K.-N. Liou
Title:Humidity effects on the radiative properties of a hazy atmosphere in the visible spectrum.
Abstract:The present investigation deals with the humidity effect on the radiative properties of a strongly polluted atmosphere in the visible spectrum.
Location:4
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Record ID:0/917


Date:6/1/1990
Subject:(8) Atmospheric Electricity
Author:Adler, R.F., R.A. Mack, N. Prasad, H.-Y.M Yeh, I.M. Hakkarinen
Title:Aircraft microwave observations and simulations of deep convective from 18 to 183 GHz. Part I: Observations.
Abstract:Aircraft passive microwave observations of deep atmospheric convection at frequencies between 18 and 183 GHz are presented in conjuction with visible and infrared satellite and aircraft observations and ground based radar observations.
Location:4
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Record ID:0/918


Date:1/1/1991
Subject:(8) Atmospheric Electricity
Author:Charlson, R.J., J. Langner, H. Rodhe, C.B. Leovy, S.G. Warren
Title:Perturbation of the northern hemisphere radiative balance by backscattering from anthropogenic sulfate aerosols.
Abstract:Anthropogenic sulfate aerosol particles play two potential roles in the radiative climate of the earth.
Location:4
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Record ID:0/919


Date:3/1/1993
Subject:(8) Atmospheric Electricity
Author:Dept. of Energy
Title:The possible direct use of satellite radiance measurements by the Atmospheric Radiation Measurement Program.
Abstract:This study examines the possibility of comparing outputs from the Atmospheric Radiation Measurement program directly with satellite measurements.
Location:4
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Record ID:0/920


Date:7/1/1990
Subject:(8) Atmospheric Electricity
Author:Evans, K.F., J. Vivekanandan
Title:Multiparameter radar and microwave radiative transfer modeling of nonspherical atmospheric ice particles.
Abstract:Multiparameter radar and polarized microwave radiative transfer models for arbitrarily shaped particles are developed.
Location:4
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Record ID:0/921


Date:9/1/1993
Subject:(8) Atmospheric Electricity
Author:Evans, K.F.
Title:Two-dimensional radiative transfer in cloudy atmospheres: The spherical harmonic spatial grid method.
Abstract:A new 2D monochromatic method that computes the transfer of solar or thermal radiation through atmospheres with arbitrary optical properties is described.
Location:4
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Record ID:0/922


Date:4/1/1991
Subject:(8) Atmospheric Electricity
Author:Harshvardhan
Title:Atmospheric radiation.
Abstract:Atmospheric radiative processes are studied or used in a wide range of meteorological disciplines. This review will be restricted to those studies that have a direct bearing on atmospheric radiative fluxes and the effects of perturbations in these fluxes.
Location:4
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Record ID:0/923


Date:1/20/1991
Subject:(8) Atmospheric Electricity
Author:Hartmann, D.L., D. Doelling
Title:On the net radiative effectiveness in clouds.
Abstract:The net effect of cloud on the energy balance at the top of the atmosphere is investigated using data from the Earth Radiation Budget Experiment.
Location:4
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Record ID:0/924


Date:
Subject:(8) Atmospheric Electricity
Author:
Title:
Abstract:
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Record ID:0/925


Date:2/1/1994
Subject:(8) Atmospheric Electricity
Author:Schneider, T.L., G.L. Stephens
Title:Backscattering by nonspherical ice particles at millimeter wavelengths: A theoretical study.
Abstract:The role of ice clouds in the hydrological cycle is uncertain. As a direct consequence, we do not fully understand the role of ice clouds in the atmospheric energy balance.
Location:4
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Record ID:0/926


Date:01/01/1994
Subject:(8) Atmospheric Electricity
Author:Jonas, P.R.
Title:On the reflectance of cellular cloud layers.
Abstract:A Monte Carlo model is used to investigate the effects of the reflectance of low cloud layers of organized cellular structure, which is often observed in such layers.
Location:4
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Record ID:0/927


Date:1/1/1975
Subject:(8) Atmospheric Electricity
Author:Korb, G.J., R.M. Welch, W.G. Zdunkowski
Title:An approximative method for the determination of infrared radiative fluxes in scattering and absorbing media.
Abstract:As in the case of solar radiaton, the radiative transfer equation is solved analytically by subjecting the radiative intensities to series expansions and integral operations.
Location:4
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Record ID:0/928


Date:10/1/1974
Subject:(8) Atmospheric Electricity
Author:McKee, T.B., S.K. Cox
Title:Scattering of visible radiation by finite clouds.
Abstract:A theoretical model of the scattering of shortwave radiation is applied to clouds finite in horizontal extent.
Location:4
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Record ID:0/929


Date:1/15/1993
Subject:(8) Atmospheric Electricity
Author:Shi, Y., W.M. McClain
Title:Closed-form Mueller scattering matrix for a random ensemble of long, thin cylinders.
Abstract:We present a closed-form solution to the problem of elastic light scattering by a randomly oriented ensemble of cylinders of finite length.
Location:4
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Record ID:0/930


Date:11/20/1992
Subject:(8) Atmospheric Electricity
Author:Pontikis, C., E. Hicka
Title:Contribution to the cloud droplet effective radius parameterization
Abstract:An analytic cloud droplet effective radius expression is derived and validated by using field experiment microphysical data.
Location:4
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Record ID:0/931


Date:5/1/1991
Subject:(8) Atmospheric Electricity
Author:Qiming, C., Y. Ping
Title:Scattering phase matrices of ice crystals with hexagonal prism and triangular pyramid form--A vector ray tracing method.
Abstract:The work presented previously by the authors has been extended in this paper.
Location:4
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Record ID:0/932


Date:1/29/1989
Subject:(8) Atmospheric Electricity
Author:Randall, D.A.
Title:The effects of atmospheric cloud radiative forcing on climate.
Abstract:Cloud radiative forcing may be defined as the difference between the radiative flux (at the top of the atmosphere, say) which actually occurs in the presence of clouds, and that which would occur if the cloud were removed but the atmospheric state were otherwise unchanged.
Location:4
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Record ID:0/933


Date:1/1/1994
Subject:(8) Atmospheric Electricity
Author:Sun, Z., K.P. Shine
Title:Studies of the radiative properties of ice and mixed-phase clouds.
Abstract:Radiative parameterizations for both ice and water clouds are developed in terms of liquid/ice water content, based on Mie scattering theory.
Location:4
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Record ID:0/934


Date:1/1/1971
Subject:(8) Atmospheric Electricity
Author:Ripley, E.A., B. Saugier
Title:Photometeors at Saskatoon on 3 Dec. 1970.
Abstract:Optical phenomena resulting from refraction and reflection of sunlight from atmospheric ice crystals are not uncommon on the Canadian prairies.
Location:4
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Record ID:0/935


Date:2/1/1991
Subject:(8) Atmospheric Electricity
Author:Rockel, B., E. Raschke, B. Weyres
Title:A parameterization of broad band radiative transfer properties of water, ice, and mixed clouds.
Abstract:Improvements of a broad band radiative transfer scheme are presented.
Location:4
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Record ID:0/936


Date:9/22/1988
Subject:(8) Atmospheric Electricity
Author:Roeckner, E.
Title:Negative or positive cloud optical depth feedback?
Abstract:No abstract.
Location:4
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Record ID:0/937


Date:6/15/1988
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L.
Title:Radiative transfer through arbitrarily shaped optical media. Part II: Group theory and simple closures.
Abstract:This paper presents a formulation of the radiative transfer equation which allows for the distinction between various groups of spatial scales of variation that comprise the radiance field.
Location:4
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Record ID:0/938


Date:1/1/1990
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L., S.-C. Tsay
Title:On the cloud absorption anomaly.
Abstract:This paper provides an overview of the subject of absorption of solar radiation by water clouds in the earth's atmosphere.
Location:4
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Record ID:0/939


Date:12/1/1983
Subject:(8) Atmospheric Electricity
Author:Tsay, S.-C., K. Jayaweera, K. Stamnes
Title:Dependence of radiative properties of arctic stratus cloud on cloud microstructure
Abstract:Observations of cloud microstructure during the Beaufort Sea Arctic Stratus Cloud Experiments of June 1980 showed that the drop size distributions typically are nonuniform changing from monomodal near the base to bimodal near the top of the cloud.
Location:4
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Record ID:0/940


Date:1/1/1981
Subject:(8) Atmospheric Electricity
Author:Newiger, M., K. Bahnke
Title:Influence of cloud composition and cloud geometry on the absorption of solar radiation
Abstract:The matrix-operator theory, a radiative transfer model for planeparallel atmospheres, is employed to investigate an atmosphere with multicomponent model clouds containing aerosol particles and rain drops in addition to cloud droplets.
Location:2
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Record ID:0/941


Date:1/1/1986
Subject:(8) Atmospheric Electricity
Author:Morcrette, J.-J., L. Smith, Y. Fourquart
Title:Pressure and temperature dependence of the absorption in longwave radiation parameterizations.
Abstract:Compared to narrow-band models of the longwave radiation transfer, wide-band models usually display systematic errors due to a deficient pressure and temperature dependence of the apsorption.
Location:2
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Record ID:0/942


Date:3/1/1978
Subject:(8) Atmospheric Electricity
Author:McKee, T.B., J.T. Klehr
Title:Effects of cloud shape on scattered solar radiation
Abstract:Calculations are presented which compare the effects on directional reflectance and relative radiance of changes in microphysical structure and geometric shape for scattered solar radiation in terrestrial water clouds.
Location:2
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Record ID:0/943


Date:1/1/1980
Subject:(8) Atmospheric Electricity
Author:Manton, M.J.
Title:Computations of the effect of cloud properties on solar radiation
Abstract:The reflectance, transmittance and absorptance of solar radiation are computed for clouds in the troposphere.
Location:8
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Record ID:0/944


Date:7/1/1979
Subject:(8) Atmospheric Electricity
Author:Liou, K.-N., G.D. Wittman
Title:Parameterization of the radiative properties of clouds.
Abstract:Reflection, transmission and absorption of solar radiation by four cloud types are computed as functions of the solar zenith angle and cloud liquid water/ice content.
Location:2
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Record ID:0/945


Date:11/1/975
Subject:(8) Atmospheric Electricity
Author:Liou, K.-N., T. Sasamori
Title:On the transfer of solar radiation in aerosol atmospheres
Abstract:A radiation scheme has been developed by which the absorption of water vapor in the near-infrared regions of the solar spectrum can be inserted into the transfer program for inhomogeneous aerosol atmospheres.
Location:2
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Record ID:0/946


Date:10/1/1979
Subject:(8) Atmospheric Electricity
Author:Liou, K.-N., S.-C. Ou
Title:Infrared radiative transfer in finite cloud layers.
Abstract:Analytic solutions to the three-dimensional infrared radiative transfer equation for an anisotropic and isothermal scattering cloud layer are derived by utilizing the four-term truncated spherical harmonics expansion for the scattering phase function and intensity.
Location:2
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Record ID:0/947


Date:1/1/1975
Subject:(8) Atmospheric Electricity
Author:Poellot, M.R., S.K. Cox
Title:Computer simulation of irradiance measurements from aircraft.
Abstract:A computer simulation has been developed to optimize the use of the aircraft platform for the measurement of short wave irradiances.
Location:2
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Record ID:0/948


Date:4/1/1986
Subject:(8) Atmospheric Electricity
Author:Kawa, S.R.
Title:Ozone deposition, scalar budgets and radiative heating over Texas coastal forest and ocean.
Abstract:This study reports the results from analysis of data obtained during a field experiment conducted near Houston, Texas, in June of 1982.
Location:2
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Record ID:0/949


Date:7/1/1984
Subject:(8) Atmospheric Electricity
Author:Minnis, P., E.F. Harrison
Title:Diurnal variability of regional cloud and clear-sky radiative parameters derived from GOES data. Part I: Analysis method.
Abstract:A hybrid bispectral threshold method is developed for hourly regional cloud and radiative parameters from geostationary satellite visible and infrared radiance data.
Location:2
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Record ID:0/950


Date:7/1/1984
Subject:(8) Atmospheric Electricity
Author:Minnis, P., E.F. Harrison
Title:Diurnal variability of regional cloud and clear-sky radiative paramters derived from GOES data. Part II: November 1978 Cloud distributions.
Abstract:Regional dirunal cloud variability is examined using mean hourly cloud amounts derived from Nov. 1978 GOES-East visible and infrared data with a hybrid bispectral threshold technique.
Location:2
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Record ID:0/951


Date:7/1/1984
Subject:(8) Atmospheric Electricity
Author:Minnis, P., E.F. Harrison
Title:Diurnal variability of regional cloud and clear-sky radiative parameters derived from GOES data. Part III: November 1987 Radiative Parameters
Abstract:The diurnal variability of the radiation emitted and reflected from the earth-atmosphere is investigated at the regional scale using Nov. 1978 GOES-East visible and infrared data and GOES-derived cloud information.
Location:2
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Record ID:0/952


Date:10/1/1973
Subject:(8) Atmospheric Electricity
Author:Liou, K.-N.
Title:A numerical experiment on Chandrasekhar's discrete-ordinate method for radiative transfer: Applications to cloudy and hazy atmospheres.
Abstract:The discrete-ordinate method for radiative transfer introduced originally by Chandrasekhar has been theoreticaly developed and numerically verified for use in solving the transfer of both solar and thermal infrared radiation through cloudy and hazy atmospheres.
Location:2
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Record ID:0/953


Date:1/1/1974
Subject:(8) Atmospheric Electricity
Author:Lacis, A.A., J.E. Hansen
Title:A parameterization for the absorption of solar radiation in the Earth's atmosphere.
Abstract:A method is described for rapidly computing the amount of solar energy absorbed at the earth's surface and in the atmosphere as a function of altitude.
Location:2
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Record ID:0/954


Date:12/1/1986
Subject:(8) Atmospheric Electricity
Author:Kobayashi, T.
Title:Determination of effective absorption property of atmospheric aerosols and validity of that value in calculating the flux divergence. Part II: Application.
Abstract:Effective absorption properties of atmospheric aerosols were estimated from five aircraft measurements of reflectance using a method described in our previous paper.
Location:2
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Record ID:0/955


Date:12/1/1986
Subject:(8) Atmospheric Electricity
Author:Kobayashi, T.
Title:Determination of effective absorption property of atmospheric aerosols and validity of the value in calculating the flux divergence.
Abstract:A method of estimating the effective absorption property of atmospheric aerosols is proposed.
Location:2
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Record ID:0/956


Date:4/1/1981
Subject:(8) Atmospheric Electricity
Author:Saito, T.
Title:The relationship between the increase rate of downward long-wave radiation by atmospheric pollution and the visibility.
Abstract:The downward radiation from the pollutants is extremely small compared with those from the water vapor and the carbon dioxide, and so it is quite difficult to estimate the effect of the pollutants on the downward long-wave radiation in a city measured by the ordinary radiometer.
Location:2
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Record ID:0/957


Date:1/1/1969
Subject:(8) Atmospheric Electricity
Author:Kasten, F.
Title:Visibility forecast in the phase of pre-condensation
Abstract:The effect on visibility of the swelling of aerosol particles due to increasing humidity is studied.
Location:2
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Record ID:0/958


Date:8/1/1976
Subject:(8) Atmospheric Electricity
Author:Herman, G., R. Goody
Title:Formation and persistence of summertime arctic stratus clouds.
Abstract:We have developed a numerical model which can explain the principle observed properties of the summertime stratus clouds occurring over the Arctic Basin.
Location:2
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Record ID:0/959


Date:2/15/1986
Subject:(8) Atmospheric Electricity
Author:Hegg, D.A.
Title:Comments on
Abstract:No abstract.
Location:2
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Record ID:0/960


Date:5/1/1986
Subject:(8) Atmospheric Electricity
Author:Wetzel, M., Vonde Haar, T.H.
Title:The Impact of Stratocumulus Microphysical Variations on Near-Infrared Radiance.
Abstract:The marine boundary layer seasonally plays host to large expanses of stratiform cloud.
Location:2
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Record ID:0/961


Date:1/1/1975
Subject:(8) Atmospheric Electricity
Author:Unsworth, M.H.
Title:Long-wave radiation at the ground.
Abstract:At the earth's surface, long-wave radiation received from the atmosphere in the absence of cloud may be expressed as the sum of the flux density from an isotropic source and the flux density due to anisotropy of atmospheric radiation.
Location:2
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Record ID:0/962


Date:8/1/1979
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L., P.J. Webster
Title:Sensitivity of radiative forcing to variable cloud and moisture.
Abstract:The influence of cloud and moisture distribution on the radiative forcing of the atmosphere is investigated.
Location:2
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Record ID:0/963


Date:11/1/1978
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L., G.W. Paltridge, C.M.R. Platt
Title:Radiation profiles in extended water clouds: III: Observations.
Abstract:Six case studies of
Location:2
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Record ID:0/964


Date:1/1/1974
Subject:(8) Atmospheric Electricity
Author:Hansen, J.E., L.D. Travis
Title:Light scattering in planetary atmospheres.
Abstract:This paper reviews scattering theory required for analysis of light reflected by planetary atmospheres.
Location:2
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Record ID:0/965


Date:10/20/1997
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L., G.G. Campbell, T.H. Vonder Haar
Title:Earth Radiation Budgets
Abstract:This paper presents the annual and seasonal averaged earth atmosphere radiation budgets derived from the most complete set of satellite observations available in late 1979.
Location:2
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Record ID:0/966


Date:2/1/1980
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L.
Title:Radiative properties of cirrus clouds in the infrared region.
Abstract:A multiple-scattering radiative transfer model is employed to evaluate the 11 um and the broad-band infrared fluxes, cooling rates and emittances in model cirrus clouds for a number of standard vertical atmospheric profiles of temperature and moisture.
Location:2
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Record ID:0/967


Date:11/1/1978
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L.
Title:Radiation profiles in extended water clouds. II: Parameterization schemes.
Abstract:The shortwave absorption, albedo and longwave emissivity of water clouds are parameterized for use in operational and climatic models of the atmosphere.
Location:2
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Record ID:0/968


Date:11/1/1978
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L.
Title:Radiation profiles in extended water clouds. I: Theory
Abstract:A detailed multiple-scattering model has been employed to investigate the sensitivity of radiation profiles and flux divergences to changes in macrostructure and microstructure of basic water cloud types.
Location:2
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Record ID:0/969


Date:2/1/1979
Subject:(8) Atmospheric Electricity
Author:Geleyn, J.F., A. Hollingworth
Title:An economical analytic method for the computation of the interaction between scattering and line absorption of radiation.
Abstract:We propose a method for short wave and long wave radiative calculations in a cloudy atmosphere taking account of grey absorption and scattering as well as line-type absorption by gases.
Location:2
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Record ID:0/970


Date:2/1/1980
Subject:(8) Atmospheric Electricity
Author:Fouquart, Y., B. Bonnel
Title:Computations of solar heating of the earth's atmosphere: A new parameterization.
Abstract:This paper presents a solar radiation subroutine in use in the GCM of the Laboratoire de Meteorologie Dynamique de Paris.
Location:2
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Record ID:0/971


Date:1/1/1972
Subject:(8) Atmospheric Electricity
Author:Evans, W.F.J., R.A.R. Tricker
Title:Unusual arcs in the Saskatoon halo display.
Abstract:The spectacular halo display at Saskatoon on 3 Dec. 1970 has been reported and discussed by Ripley and Saugier (1971).
Location:2
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Record ID:0/972


Date:10/1/1980
Subject:(8) Atmospheric Electricity
Author:Edson, R.T.
Title:Parameterization of net radiation at the surface using data from the Wangara Experiment.
Abstract:Hourly Wangara boundary layer data is used to to substantiate previously derived empirical equations of the surface radiation budget.
Location:2
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Record ID:0/973


Date:1/1/1981
Subject:(8) Atmospheric Electricity
Author:Deardorff, J.W.
Title:On the distribution of mean radiative cooling at the top of a stratocumulus-capped mixed layer.
Abstract:The fraction, r, of the net in-cloud radiative flux difference existing within the mean capping inversion of a stratocumulus-topped mixing layer is calculated, assuming an exponential diminution of radiative flux below local cloud-top height.
Location:2
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Record ID:0/974


Date:8/1/1974
Subject:(8) Atmospheric Electricity
Author:Berry, E.X.
Title:Comments on
Abstract:No abstract.
Location:2
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Record ID:0/975


Date:2/1/1981
Subject:(8) Atmospheric Electricity
Author:Ackerman, S.A., S.K. Cox
Title:GATE Phase III mean synoptic-scale radiative convergence profiles.
Abstract:Tropospheric radiative convergence profiles are derived for an easterly wave composite during Phase III of GATE.
Location:2
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Record ID:0/976


Date:11/1/1981
Subject:(8) Atmospheric Electricity
Author:Harshvardhan, J.A. Weinman, R. Davies
Title:Transport of infrared radiation in cuboidal clouds
Abstract:The transport of infrared radiation in a single cuboidal cloud has been modeled using a variable asimuth two-stream (VATS) approximation.
Location:2
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Record ID:0/977


Date:10/27/1996
Subject:(8) Atmospheric Electricity
Author:Chylek, P., G.B. Lesins, G. Videen, J.G.D. Wong, R.G. Pinnick, D. Ngo, J.D. Klett
Title:Black carbon and absorption of solar radiation by clouds.
Abstract:The exact solution of the scattered electromagnetic field from a water droplet containing an arbitrarily located spherical black carbon particle in used to investigate the effect of black carbon on the absorption of solar radiation by clouds.
Location:2
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Record ID:0/978


Date:4/1/1982
Subject:(8) Atmospheric Electricity
Author:Ellingson, R.G.
Title:On the effects of cumulus dimensions on longwave irradiance and heating rate calculations
Abstract:A model of a cumulus cloud field, parameterized as right circular cylinders, has been used to estimate the uncertainties in longwave radiation calculations of irradiances and heating rates caused by neglecting the dimensions of the clouds.
Location:2
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Record ID:0/979


Date:2/1/1982
Subject:(8) Atmospheric Electricity
Author:Harshvardhan, J.A. Weinman
Title:Infrared radiative transfer through a regular array of cuboidal clouds.
Abstract:A study has been made of infrared radiative transfer through a regular array of cuboidal clouds which considers the interaction of the sides of the clouds with each other and the ground.
Location:2
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Record ID:0/980


Date:12/1/1981
Subject:(8) Atmospheric Electricity
Author:Liou, K,-N., S.-C. S. Ou
Title:Parameterization of infrared radiative transfer in cloudy atmospheres.
Abstract:Parameterization of the transfer of infrared fluxes is developed for an atmosphere containing nonblack and semi-transparent clouds.
Location:2
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Record ID:0/981


Date:2/15/1986
Subject:(8) Atmospheric Electricity
Author:O'Brien, D.M.
Title:Estimates for infrared transfer in finite clouds.
Abstract:Upper and lower bounds are computed for the infrared radiance within a cloud of finite size.
Location:2
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Record ID:0/982


Date:7/1/1983
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L.
Title:The influence of radiative transfer on the mass and heat budgets of ice crystals falling in the atmosphere.
Abstract:A theoretical study was carried out to investigate the effect of radiative heating and cooling on the mass and heat budgets of an ice crystal.
Location:2
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Record ID:0/983


Date:2/15/1986
Subject:(8) Atmospheric Electricity
Author:Wiscombe, W., R. Welch
Title:Reply
Abstract:Professor Hegg has pointed out that Wiscombe et al. (1984) were too conservative in their choice of effective droplet radius.
Location:2
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Record ID:0/984


Date:5/1/1981
Subject:(8) Atmospheric Electricity
Author:Abel, M.D., S.K. Cox
Title:A climate index derived from satellite measured spectral infrared radiation.
Abstract:This paper introduces a climate index based on radiative transfer theory and derived from the spectral radiances typically used to retrieve temperature profiles.
Location:2
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Record ID:0/985


Date:1/1/1966
Subject:(8) Atmospheric Electricity
Author:Vowinckel, E., S. Orvig
Title:Climate change over the Polar ocean. I: The radiation budget.
Abstract:Climate change results from changes in the terms of the energy equation.
Location:2
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Record ID:0/986


Date:9/1/1980
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L.
Title:Radiative transfer on a linear lattice: Application to anisotropic ice crystal clouds.
Abstract:The problem of radiative transfer in a horizontally infinite cloud layer possessing anisotropy with respect to volume extinction and other single-scattering properties was solved using the method of discrete space theory.
Location:2
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Record ID:0/987


Date:8/1/1982
Subject:(8) Atmospheric Electricity
Author:Harshvardhan
Title:The effect of brokenness on cloud-climate sensitivity
Abstract:A study has been made of the effect of brokenness on the infrared and albedo feedback of clouds in climate models using a simplified treatment of broken cloudiness.
Location:3
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Record ID:0/988


Date:1/1/1971
Subject:(8) Atmospheric Electricity
Author:Yamamoto, G., M. Tanaka, S. Asano
Title:Radiative heat transfer in water clouds by infrared radiation.
Abstract:Radiative heat transfer in water clouds is studied by the method of discrete ordinates, taking into account not only scattering, absorption and emission by cloud droplets but also ...
Location:3
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Record ID:0/989


Date:3/1/1970
Subject:(8) Atmospheric Electricity
Author:Yamamoto, G., M. Tanaka, S. Asano
Title:Radiative transfer in water clouds in the infrared region.
Abstract:The problem of diffuse reflection, transmission and emission of infrared radiation by water clouds is investigated in the wavelength region from 5-50 u.
Location:3
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Record ID:0/990


Date:4/15/1984
Subject:(8) Atmospheric Electricity
Author:Wiscombe, W.J., R.M. Welch, W.D. Hall
Title:The effects of very large drops on cloud absorption. Part I: Parcel models.
Abstract:In an effort to bring more realism to cloud-radiation calculations, a rising-parcel model of cloud microphysics and a 191 waveband model of atmospheric radiation have been brought to bear on the problem of cloud absorption of solar radiation...
Location:3
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Record ID:0/991


Date:7/1/1977
Subject:(8) Atmospheric Electricity
Author:Wiskanta, R., R.W. Bergstrom, R.O. Johnson
Title:Radiative transfer in a polluted urban planetary boundary layer.
Abstract:Radiative transfer in a polluted urban atmosphere has been studied using a dynamic model.
Location:3
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Record ID:0/992


Date:4/1/1987
Subject:(8) Atmospheric Electricity
Author:Vel'tishchev, N.N., A.S. Ginzburg
Title:Few-level radiative-convective model of the atmosphere.
Abstract:A new type of radiative-convective model of the atmosphere and its possible application to the study of the climatic effects of trace gaseous components of the atmosphere and the effect of different types of aerosols on the climate system are studied.
Location:3
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Record ID:0/993


Date:8/24/1972
Subject:(8) Atmospheric Electricity
Author:McClatchey, R.A., R.W. Fenn, J.E.A. Selby, F.E. Volz, J.S. Garing
Title:Optical properties of the atmosphere. Third Edition.
Abstract:A series of tables and charts is presented from which the atmospheric transmittance between any two points in the terrestrial atmosphere can be determined.
Location:3
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Record ID:0/994


Date:12/1/1976
Subject:(8) Atmospheric Electricity
Author:Joseph, J.H., W.J. Wiscombe
Title:The Delta-Eddington approximation for radiative flux transfer.
Abstract:This paper presents a rapid yet accurate method, the delta-Eddington approximation, for calculating monochromatic radiative fluxes in an absorbing-scattering atmosphere.
Location:3
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Record ID:0/995


Date:8/1/1979
Subject:(8) Atmospheric Electricity
Author:Fraser, A.B.
Title:What size of ice crystals causes the halos?
Abstract:It is shown that, contrary to classical theory, the circular halos need not be caused by randomly oriented crystals.
Location:3
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Record ID:0/996


Date:9/1/1971
Subject:(8) Atmospheric Electricity
Author:Drummond, A.J., J.R. Hickey
Title:Large-scale reflection and absorption of solar radiation by clouds as influencing earth radiative budgets: New aircraft measurements.
Abstract:The extent to which the incident solar short-wave radiation, on penetrating the terrestrial atmosphere, is reflected outwards and absorbed inwards.
Location:3
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Record ID:0/997


Date:9/20/1988
Subject:(8) Atmospheric Electricity
Author:Flatau, P.J., G.L. Stephens
Title:On the fundamental solution of the radiative transfer equation.
Abstract:This paper outlines the general solution of the one-dimensional, azimuthally averaged radiative transfer equation in terms of a matrix exponential.
Location:3
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Record ID:0/998


Date:10/1/1985
Subject:(8) Atmospheric Electricity
Author:Davis, J.M., T.B. McKee, S.K. Cox
Title:Application of the Monte Carlo method to problems in visibility using a local estimate: an investigation.
Abstract:A local estimate is developed to apply the Monte Carlo radiative transfer model to problems in visibility.
Location:3
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Record ID:0/999


Date:11/1/1982
Subject:(8) Atmospheric Electricity
Author:Davis, J.M., S.K. Cox
Title:Reflected solar radiances from regional scale scenes.
Abstract:A set of bi-directional reflectance models is presented for various atmospheric scene types.
Location:3
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Record ID:0/1000


Date:1/1/1987
Subject:(8) Atmospheric Electricity
Author:Blanchet, J.-P., R. List
Title:On radiative effects of anthropogenic aerosol components in Arctic haze and snow.
Abstract:The Arctic aerosol is strongly enriched by anthropogenic pollution which may cause significant modification of the Arctic climate.
Location:3
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Record ID:0/1001


Date:6/1/1978
Subject:(8) Atmospheric Electricity
Author:Cox, S.K., K.T. Griffith
Title:Tropospheric radiative divergence during phase III of the GARP Atlantic Tropical Experiment (GATE).
Abstract:The methods used to construct the GATE Phase III radiative divergence budgets have been described.
Location:3
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Record ID:0/1002


Date:5/1/1980
Subject:(8) Atmospheric Electricity
Author:Twomey, S., K.J. Seton
Title:Inferences of gross microphysical properties of clouds from spectral reflectance measurements.
Abstract:Spectral reflectances have been calculated by accepted methods for water cloud layers having various microphysical properties.
Location:3
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Record ID:0/1003


Date:1/1/1967
Subject:(8) Atmospheric Electricity
Author:Twomey, S., H. Jacobowitz, H.B. Howell
Title:Light scattering by cloud layers.
Abstract:Results of calculations of diffuse reflection and transmission of cloud-model layers are presented.
Location:3
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Record ID:0/1004


Date:9/1/1980
Subject:(8) Atmospheric Electricity
Author:Twomey, S., C.F. Bohren
Title:Simple approximations for calculations of absorption in clouds.
Abstract:Scaling principles can be used to transform problems of radiative transfer in media that scatter anisotropically to equivalent isotropic problems with exact solutions.
Location:3
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Record ID:0/1005


Date:1/1/1974
Subject:(8) Atmospheric Electricity
Author:Twomey, S.
Title:Pollution and the planetary albedo.
Abstract:Addition of cloud nuclei by pollution can lead to an increase in the solar radiation reflected by clouds.
Location:3
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Record ID:0/1006


Date:6/1/1976
Subject:(8) Atmospheric Electricity
Author:Twomey, S.
Title:Computations of the absorption of solar radiation by clouds.
Abstract:Using published data for water vapor absorption and for absorption by liquid (or ice) water, the absorption of solar radiation by clouds was computed for several representative cloud models.
Location:3
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Record ID:0/1007


Date:5/1/1970
Subject:(8) Atmospheric Electricity
Author:Twomey, S.
Title:On the possible absorption of visible light by clouds.
Abstract:Danielson et al. have compared theoretical and experimental data on shortwave cloud albedos and have suggested that absorption by the cloud nuclei is responsible for the tendency of measured albedos to be lower than those based on theoretical predictions for a non-absorbing atmosphere.
Location:3
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Record ID:0/1008


Date:9/1/1985
Subject:(8) Atmospheric Electricity
Author:Titov, G.A.
Title:Radiation transport in the broken-cloud model based on the Poisson point flux.
Abstract:Formulas are obtained for the moments of the optical parameters in a statistically homogeneous and nonisotropic cloud field, modeled on the basis of the Poisson point flux.
Location:3
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Record ID:0/1009


Date:2/1/1986
Subject:(8) Atmospheric Electricity
Author:Takeuchi, Y.
Title:Effects of cloud shape on the light scattering.
Abstract:A superimposed sinusoidal model is proposed to investigate the effects of cloud dimension and geometrical fine structure on the light scattering of cumulus clouds in the visible region.
Location:3
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Record ID:0/1010


Date:1/1/1986
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L.
Title:Radiative transfer in spatially heterogeneous, two-dimensional, anisotropically scattering media.
Abstract:A method is presented for solving the radiative transfer equation for a general anisotropically scatering and emitting medium exposed to arbitrary boundary radiation conditions.
Location:3
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Record ID:0/1011


Date:4/1/1984
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L.
Title:Review: The parameterization of radiation for numerical weather prediction and climate models.
Abstract:This paper presents a review of the various methods used to compute both the fluxes and the rate of heating and/or cooling due to atmospheric radiation for use in numerical models of atmospheric circulation.
Location:3
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Record ID:0/1012


Date:3/15/1984
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L.
Title:Scattering of plane waves by soft obstacles: Anomalous diffraction theory for circular cylinders.
Abstract:An anomolous diffraction theory is presented to describe the scattering of plane wavs by circular cylinders for the general case of oblique incidence and for both real and complex values of particle refractive inded in terms of a single Bessel-like function.
Location:3
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Record ID:0/1013


Date:10/1/1985
Subject:(8) Atmospheric Electricity
Author:Rogovtsov, N.N.
Title:On a calculation of the characteristics of radiation fields in scattering objects of complicated shapes on the basis of general invariance relations.
Abstract:No abstract.
Location:3
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Record ID:0/1014


Date:4/1/1980
Subject:(8) Atmospheric Electricity
Author:Pollack, J.B., J.N. Cuzzi
Title:Scattering by nonspherical particles of size comparable to a wavelength: A new semi-empirical theory and its application to tropospheric aerosols.
Abstract:We propose an approximate method for evaluating the interaction of randomly oriented, nonspherical particles with the total intensity component of electromagnetic radiation.
Location:3
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Record ID:0/1015


Date:4/1/1971
Subject:(8) Atmospheric Electricity
Author:Plass, G.N., G.W. Kattawar
Title:Radiative transfer in water and ice clouds in the visible and infrared region.
Abstract:The radiance and polarization are calculated at six wavelengths from 0.7 u to 6.05 u for the photons reflected from and transmitted through two model clouds representing water and ice clouds with modal radii of 12 u and 50 u respectively.
Location:3
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Record ID:0/1016


Date:1/1/1983
Subject:(8) Atmospheric Electricity
Author:Petrushin, A.G.
Title:Extinction and scattering of infrared radiation by polydisperse systems of ice plates and cylinders.
Abstract:The values of the extinction, scattering and absorption efficiency factors and the single-scattering albedo have been obtained for systems of polydisperse ice plates and cylinders.
Location:3
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Record ID:0/1017


Date:2/15/1998
Subject:(8) Atmospheric Electricity
Author:Stephens, G.L., S. Ackerman, E.A. Smith
Title:A shortwave parameterization revised to improve cloud absorption.
Abstract:We present a modification to the parameterization scheme of Stephens which improves on the estimation of shortwave absorption by cloud. In particular, the variation of cloud absorption with solar elevation angle is improved with the modified scheme.
Location:3
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Record ID:0/1018


Date:4/1/1983
Subject:(8) Atmospheric Electricity
Author:McKee, T.B., M. DeMaria, J.A. Kuenning, S.K. Cox
Title:Comparisons of Monte Carlo calculations with observations of light scattering in finite clouds.
Abstract:Two experimental data sets have been compared with calculations of solar radiation scattered by finite cumulus clouds.
Location:3
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Record ID:0/1019


Date:5/1/1983
Subject:(8) Atmospheric Electricity
Author:Davis, J.M., S.K. Cox, T.B. McKee
Title:Design and verification of a cloud field optical simulator.
Abstract:A concept and an apparatus designed to investigate the reflected and transmitted distributions of light from optically thick clouds is presented.
Location:3
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Record ID:0/1020


Date:7/1/1995
Subject:(8) Atmospheric Electricity
Author:Parungo, F., Y. Kim, C.-J. Zhu, J. Harris, R. Schnell, X.-S. Li, D.-Z. Yang, X.-M. Fang, M.-Y. Zhou, Z. Chen, K. Park
Title:Asian dustorms and their effects on radiation and climate. Part I.
Abstract:Since 1992 a team of scientists from the Unites States, China, and Korea have cooperated to investigate Asian dust transport and its impacts on the environment.
Location:4
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Record ID:0/1021


Date:3/1/1997
Subject:(8) Atmospheric Electricity
Author:Parungo, F., R. Schnell, A. Yoshinaga, L. Pajo, Y. Kim, C.-J. Zhu, J. Harris, B. Bodhaine, X.-S. Li, D.-Z. Yang, X.-M. Fang, Z.-S. He, P. Yan, X. Yu, M.-Y. Zhou, Z. Chen, F.-L. Qian, K. Park, J.-C. Nam, Y.-N. Iwasaka, S. Kwon
Title:Asian dustorms and their effects on radiation and climate. Part IV.
Abstract:This report is the fourth and the last in the series documenting the results of an investigation of Asian dustorms.
Location:4
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Record ID:0/1022


Date:4/1/1994
Subject:(8) Atmospheric Electricity
Author:Nemesure, S., R.D. Cess, E.G. Dutton, J.J. DeLuisi, Z. Li, H.G. Leighton
Title:Impact of clouds on the shortwave radiation budget of the surface -- Atmosphere system for snow-covered surfaces.
Abstract:Recent data from the Earth Radiation Budget experiment have raised the question as to whether or not the addition of clouds to the atmopsheric column can decrease the top-of-the-atmosphere albedo over bright snow-covered surfaces.
Location:4
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Record ID:0/1023


Date:12/1/1978
Subject:(8) Atmospheric Electricity
Author:Twomey, S.
Title:Comments on
Abstract:No abstract. Text: The paper in question discussed effects of finite lateral width on the optical properties of clouds.
Location:4
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Record ID:0/1024


Date:1/1/1936
Subject:(8) Atmospheric Electricity
Author:Whipple, F.J.W., P.J. Scrase
Title:Poiont discharge in the electric field of the earth.
Abstract:The discharge of electricity from a pointed conductor placed in a strong field is a well-known phenomenon and it has been the subject of numerous laboratory investigations.
Location:0
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Record ID:0/1025


Date:12/1/1961
Subject:(8) Atmospheric Electricity
Author:Stout, G.E., W.E. Bradley
Title:Evaluation of electric charges induced in the atmosphere.
Abstract:An exeriment was conducted to investigate the role played by space charge in the electrification of clouds.
Location:0
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Record ID:0/1026


Date:1/1/1979
Subject:(8) Atmospheric Electricity
Author:Standler, R.B., W.P. Winn
Title:Effects of coronae on electric fields beneath thunderstorms
Abstract:Intense electric fields beneath thunderstorms produce electrical discharges at the tips of trees, bushes and other sharp objects attached to the surface of the earth.
Location:0
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Record ID:0/1027


Date:10/20/78
Subject:(8) Atmospheric Electricity
Author:Saunders, C.P.R.
Title:Electrification experiments on Elk Mountain
Abstract:During the winter of 1976, along with the continuing studies of ice crystals in the cap cloud on Elk Mountain, measurements were made of ice crystal charges and the atmospheric electric field strength.
Location:0
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Record ID:0/1028


Date:9/1/1981
Subject:(8) Atmospheric Electricity
(13) Cloud Electrification
Author:Rust, W.D., R.T. Arnold
Title:Research on electrical properties of severe thunderstorms in the Great Plains
Abstract:In 1978 we began a coordinated effort to study the electrical behavior of large and severe thunderstorms that form over the Great Plains of the central United States.
Location:0
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Record ID:0/1029


Date:7/20/1973
Subject:(8) Atmospheric Electricity
Author:Pringle, J.E., H.D. Orville, T.D. Stechmann
Title:Numerical simulation of atmospheric electricity effects in a cloud model.
Abstract:Results from a numerical model of cloud initiation, growth, and electrification are presented.
Location:0
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Record ID:0/1030


Date:1/1/1965
Subject:(8) Atmospheric Electricity
Author:Reiter, R., W. Carnuth
Title:An atmospheric-electric feed-back process as a possible contribution to thunderstorm activity.
Abstract:An atmospheric electric feed-back process is suggested for discussion.
Location:0
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Record ID:0/1031


Date:1/1/1978
Subject:(8) Atmospheric Electricity
Author:Pringle, J.E.
Title:Atmospheric electricity in a numerical cloud model.
Abstract:A numerical model of cloud initiation and growth with atmospheric electrical properties and effects is presented.
Location:0
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Record ID:0/1032


Date:7/1/1979
Subject:(8) Atmospheric Electricity
Author:Orville, R.E., D.W. Spencer
Title:Global lightning flash frequency
Abstract:Lightning flashes recorded in photographs by two satellites in the Defense Meteorological Satellite Program are used to calculate flash frequencies for land and ocean regions in 10 degree latitude belts ...
Location:0
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Record ID:0/1033


Date:6/26/1965
Subject:(8) Atmospheric Electricity
Author:Latham, J., R.E. Mystrom, J.D. Sartor
Title:Charge transfer between model ice crystals separated in an electric field.
Abstract:Davis has demonstrated theoretically that, in general, the electric field between adjacent surfaces of two conducting spheres is greater than the external field in which the spheres are situated.
Location:0
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Record ID:0/1034


Date:12/1/1963
Subject:(8) Atmospheric Electricity
Author:Handman, A.L., L.G. Davis
Title:Surface electric field measurements associated with 3 CM radar echoes in the vertical
Abstract:The use of M-33 Radar Systems has been described in previous reports with regard to the studies of shower echoes and the tracking of pilot balloons to obtain wind distributions with height.
Location:0
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Record ID:0/1035


Date:5/1/1954
Subject:(8) Atmospheric Electricity
Author:Gunn, R.
Title:Electric field meters
Abstract:The fundamental principles of electric field measurement by the use of inductors and vacuum tube amplifiers are reviewed.
Location:0
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Record ID:0/1036


Date:6/15/1955
Subject:(8) Atmospheric Electricity
Author:Garber, D.H.
Title:Study of the Earth's electric field.
Abstract:The object of this project was to correlate measurements of the earth's electric field and positive and negative atmospheric electrical conductivity with other meteorological parameters.
Location:0
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Record ID:0/1037


Date:6/20/1952
Subject:(8) Atmospheric Electricity
Author:Chapman, S.
Title:Thundercloud electrification studes, II
Abstract:The objective of this project was to investigate certain mechanisms that may be effective in generation of electrical charge in thunderclouds, and to conduct some auxiliary experiments.
Location:0
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Record ID:0/1038


Date:10/01/1986
Subject:(8) Atmospheric Electricity
(13) Cloud Electrification
Author:Ziegler, C.L., P.S. Ray, D.R. MacGorman
Title:Relations of kinematics, microphysics and electrification in an isolated mountain thunderstorm
Abstract:This paper addresses aspects of the airflow microphysics, and electrification in a mountian thunderstorm which occurred on 7 August 1979 over the Langmuir Laboratory near Socorro, NM, site of the
Location:2
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Record ID:0/1039


Date:11/1/1997
Subject:(8) Atmospheric Electricity
Author:Weaver, C.P., V. Ramanathan
Title:Relationships between large-scale vertical velocity, static stability, and cloud radiative forcing over northern hemisphere extratropical oceans.
Abstract:This paper identifies dynamical and thermodynamical factors which govern the seasonal and interocean differences in cloud cover and CRF over the storm track regions of the northern extratropical Pacific and Atlantic oceans.
Location:3
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Record ID:0/1040


Date:10/1/1997
Subject:(8) Atmospheric Electricity
Author:Weaver, C.P., V. Ramanathan
Title:Extratropical cloud systems and cloud radiative forcing.
Abstract:Recent satellite observations have shown that extratropical oceanic clouds have the largest magnitude net CRF of any global cloud system.
Location:3
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Record ID:0/1041


Date:8/1/1996
Subject:(8) Atmospheric Electricity
Author:Weaver, C.P., V. Ramanathan
Title:The link between summertime cloud radiative forcing and extratropical cyclones in the North Pacific.
Abstract:This paper examines the role of extratropical cyclones in determining the CRF over the North Pacific during summer.
Location:3
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Record ID:0/1042


Date:10/1/1997
Subject:(8) Atmospheric Electricity
Author:Flatau, M., P.J. Flatau, P. Phoebus, P.P. Niler
Title:The feedback between equatorial convection and local radiative and evaporative processes: The implications for intraseasonal oscillations.
Abstract:Existing theories of the Madden-Julian oscillation neglect the feedback between the modification of sea surface temperature by the convection and development of a convective cluster itself.
Location:3
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Record ID:0/1043


Date:1/1/1989
Subject:(8) Atmospheric Electricity
Author:Feigelson, E.M.
Title:An overview of cloud-radiation interaction studies in the U.S.S.R.
Abstract:On the base of Soviet works a review is made of the radiative properties of stratified and broken liquid water droplet clouds.
Location:3
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Record ID:0/1044


Date:1/1/1998
Subject:(8) Atmospheric Electricity
Author:Gabriel, P., J.Y. Harrington, G.L. Stephens, T.L. Schneider
Title:Adjoint perturbation method applied to two-stream radiative transfer.
Abstract:This paper describes a computationally efficient method for solving the plan parallel equation of radiative transfer for the two-stream fluxes based on the adjoint perturbation formulation.
Location:3
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Record ID:0/1045


Date:11/20/1989
Subject:(8) Atmospheric Electricity
Author:Davies, R., A.R. Alves
Title:Flux divergence of thermal radiation within stratiform clouds
Abstract:A longwave radiative transfer model based on the narrow-band transmission functions of Lowtran 6 has been developed to investigate the profile of radiative flux divergence at the tops of stratiform clouds.
Location:3
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Record ID:0/1046


Date:8/1/1998
Subject:(8) Atmospheric Electricity
Author:Lyons, W.A., M. Uliasz, T.E. Nelson
Title:Large peak current cloud-to-ground lightning flashes during the summer months in the contiguous United States
Abstract:A clear association between large peak current cloud-to-ground lightning flashes of positive polarity and sprites and elves in the stratosphere and mesosphere has been previously demonstrated.
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Record ID:0/1047


Date:06/01/1999
Subject:(8) Atmospheric Electricity
Author:Takahashi, T., T. Tajiri, Y. Sonoi
Title:Charges on Graupel and snow crystals and the electrical structure of winter storms
Abstract:None.
Location:Citation Only, Full Text Not In Library
Record ID:0/1048


Date:07/01/2000
Subject:(8) Atmospheric Electricity
Author:Terry J. Schuur, S. A. Rutledge
Title:Electrification of Stratiform Regions in Mesoscale Convective Systems. PartI: An Observational Comparison of Symmetric and Asymmetric MCSs
Abstract:The kinematic, microphysical, and electrical structures of two mesoscale convective systems (MCSs) observed during the 1991 Cooperative Oklahoma Profiler Studies (COPS91) experiment are analyzed.
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Record ID:0/1049


Date:07/01/2000
Subject:(8) Atmospheric Electricity
Author:Terry J. Schuur, S. A. Rutledge
Title:Electrification of Stratiform Regions in Mesoscale Convective Systems. PartII: Two-Dimensional Numerical Model Simulations of a Symmetric MCS
Abstract:Model simulations of a symmetric mesoscale convective system (MCS; observations discussed in PartI) were conducted using a 2D, time-dependent numerical model with bulk microphysics.
Location:Citation Only, Full Text Not In Library
Record ID:0/1050


Date:8/1/2000
Subject:(8) Atmospheric Electricity
Author:Lawrence, C.D., S. Rutledge
Title:The relationship between precipitation and lightning in tropical island convection: A C-band polarimetric radar study
Abstract:One of the primary scientific objectives of the Maritime Continent Thunderstorm Experiment was to study cloud electrification processes in tropical island convection, in particular, the coupling between ice phase precipitation and lightning production.
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Record ID:0/1051


Date:9/9/2000
Subject:(8) Atmospheric Electricity
Author:Smith, S.B., J.G. LaDue, D.R. MacGorman,
Title:The relationship between cloud-to-ground lightning polarity and surface equivalent potential temperature during three tornadic outbreaks
Abstract:The relationship between cloud-to-ground (CG) lightning polarity and surface equivalent potential temperature (0e) is examined for the 26 April 1991, Andover-Wichita, Kansas; the 13 March 1990, Hesston, Kansas; and the 28 August 1990, Plainfield, Illinois, tornadic storm events.
Location:Citation Only, Full Text Not In Library
Record ID:0/1052


Date:1/1/1981
Subject:(9) Atmospheric Measurement
Author:Lala, G.G.
Title:An automatic light scattering CCN counter.
Abstract:The ASCR CCN counter is a static thermal diffusion chamber which has been modified to include an optical system for the determination of droplet concetnration by the measurement of scattered light.
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Record ID:0/1053


Date:1/1/1987
Subject:(9) Atmospheric Measurement
Author:Curran, R.J.
Title:Lasar Atmospheric Wind Sounder, Earth Observing System
Abstract:The LAWS panel was organized to develop the scientific objectives and corresponding engineering requirements for a spaceborne Doppler laser wind sounder as part of NASA's Eos study.
Location:0
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Record ID:0/1054


Date:1/1/1987
Subject:(9) Atmospheric Measurement
Author:Chase, R.P.
Title:Altimetric System, Earth Observing System
Abstract:The purpose of this report is to provide NASA with a rationale and recommendations for planning, implementing, and operating an altimetric system aboard Eos spacecraft.
Location:0
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Record ID:0/1055


Date:4/1/1977
Subject:(9) Atmospheric Measurement
Author:Lala, G.G., J.E. Jiusto
Title:An automatic light scattering CCN counter.
Abstract:An automatic instrument for the measurement of CCM concentrations utilizing a thermal gradient diffusion chamber and light scattering has been developed.
Location:0
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Record ID:0/1056


Date:1/15/1998
Subject:(9) Atmospheric Measurement
Author:Aebischer, U., C. Schar
Title:Low-level potential vorticity and cyclogenesis to the lee of the Alps.
Abstract:High-resolution numerical model simulations over the Alpine region are presented that reveal the presence of low-level elongated bands of potential vorticity downstream of high topography.
Location:Citation Only, Full Text Not In Library
Record ID:0/1057


Date:5/2001
Subject:(9) Atmospheric Measurement
Author:Holland, G.J., P.J. Webster, J.A. Curry, G. Tyrell, D. Gauntlett, G. Brett, J. Becker, R. Hoag, W. Vaglienti
Title:The Aerosonde for Robotic Aircraft: A New Paradigm for Environmental Observations
Abstract:The Aerodonde is a small robotic aircraft designed for highly flexible and inexspensive operations.
Location:0
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Record ID:0/1058


Date:1/1/1987
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Andrews, D.G., J.R. Holton, C.B. Leovy
Title:Middle Atmosphere Dynamics: Chapter 8.3--Theory of the quasi-biennial oscillation.
Abstract:No abstract.
Location:0
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Record ID:0/1059


Date:3/1/1998
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Bechtold, P., P. Siebesma
Title:Organization and representation of boundary layer clouds.
Abstract:This study is intended to summarize and to simplify the complicated processes in boundary layer cloud regimes using a single parameter, Q1, the normalized saturation deficit.
Location:Citation Only, Full Text Not In Library
Record ID:0/1060


Date:01/01/1987
Subject:(10) Boundary Layer Dynamics And Thermal Convection
(19) Cumulus
Author:Betts, A.K., B.A. Albrecht
Title:Conserved variable analysis of the convective boundary layer thermodynamic structure over the topical oceans
Abstract:An analysis of FGGE dropwindsonde data using conserved thermodynamic variables shows mising line structure for the convective boundary layer over the equatorial Pacific. Deeper boundary layers show mixing line structures for the convective boundary
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Record ID:0/1061


Date:07/01/1988
Subject:(10) Boundary Layer Dynamics And Thermal Convection
(19) Cumulus
Author:Blyth, A.M., D.J. Raymond
Title:Comparisons between observations of entrainment in Montana cumuli and results from a simple model
Abstract:Recent entrainment studies have showed that entrainment occurs at all levels in cumulus cloud irrespective of the thermodynamic conditions of the environment in which the clouds are growing. They have further suggested that cloudy parcels tend to proceed towards their level
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Record ID:0/1062


Date:1/1/1983
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Taylor, P.K., A.L.M. Grant, H. Gunther, G. Olbruck
Title:Mass, momentum, sensible heat and latent heat budgets for the lower atmosphere.
Abstract:Radiosonde data from the JASIN meteorological triangle, of sides 200 km, have been used to construct mean budgets of mass, momentum and sensible and latent heat.
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Record ID:0/1063


Date:11/1/1983
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Blumen, W., R. Wu
Title:Baroclinic instability and frontogenesis with Ekman boundary layer dynamics incorporating the geostrophic momentum approximation.
Abstract:The baroclinic instability of a two-dimensional uniform potential vorticity flow above a relatively thin viscous boundary layer is examined.
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Record ID:0/1064


Date:7/1/1972
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Bradshaw, P.
Title:The understanding and prediction of turbulent flow.
Abstract:No abstract.
Location:0
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Record ID:0/1065


Date:1/1/1970
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Deardorff, J.W.
Title:A numerical study of three-dimensional turbulent channel flow at large Reynolds numbers.
Abstract:The 3D, primitive equations of motion have been integrated numerically in time for the case of turbulent, plane Poiseuille flow at very large Reynolds numbers.
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Record ID:0/1066


Date:1/1/1970
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Deardorff, J.W.
Title:A 3D numerical investigation of the idealized planetary boundary layer.
Abstract:The nonlinear equations of motion are integrated numerically in time for a region of x-y-z space volume 3hxhxh, where h turns out to be a height slightly above the level where the wind first attains the geostrophic flow direction.
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Record ID:0/1067


Date:1/1/1974
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Deardorff, J.W.
Title:Three-dimensional numerical study of turbulence in an entraining mixed layer.
Abstract:The mean structure calculated by a 3D numerical model of a heated planetary-boundary layer, in simulation of DAY 33 of the Australian Wangara data, has been previously described.
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Record ID:0/1068


Date:1/1/1973
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:McElroy, J.L.
Title:A numerical study of the nocturnal heat island over a medium-sized mid-latitude city (Columbus, Ohio).
Abstract:A numerical investigation is conducted of the nocturnal heat island over Columbus, Ohio, is relatively flat mid-latitude city.
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Record ID:0/1069


Date:1/1/1970
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Pielke, R.A., H.A. Panofsky
Title:Turbulence characteristics along several towers.
Abstract:Observations from several towers are used to show how measurements of wind and temperature near the surface can be used to estimate the variances of the horizontal velocity and the dissipation rate up to the top of the towers...
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Record ID:0/1070


Date:2/1/1986
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Shirer, H.N.
Title:On cloud sreet development in three dimensions: Parallel and Rayleigh instabilities.
Abstract:Orientation angles and horizontal wavelengths of boundary layer rolls or cloud streets are determined from an analysis of a truncated spectral model of 3D shallow moist Boussinesq convection in a shearing environment.
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Record ID:0/1071


Date:10/1/1970
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Tennekes, H.
Title:Free convection in the turbulent Ekman layer of the atmosphere.
Abstract:This paper deals with the problem of fully developed free convection in the atmospheric boundary layer.
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Record ID:0/1072


Date:2/1/1974
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Wilkins, E.M., Y. Sasaki, R.L. Inman, L.L. Terrell
Title:Vortex formation in a friction layer: A numerical simulation.
Abstract:Axially symmetric thermal convection in a rotating environment with a friction layer is investigated by numerically integrating an approximate system of equations.
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Record ID:0/1073


Date:3/1/1971
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Wilkins, E.M., Y. Sasaki, R.H. Schauss
Title:Interactions between the velocity fields of successive thermals.
Abstract:Solitary thermals and continuous plume thermals both occur in nature, and the intermediate ease of interacting successive thermals in a series may also be an important part of atmospheric convection.
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Record ID:0/1074


Date:1/1/1987
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Andrews, D.G., J.R. Holton, C.B. Leovy
Title:Theory of quasi-biennial oscillations
Abstract:No abstract.
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Record ID:0/1075


Date:11/15/1967
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Lilly, D.K.
Title:The representation of small-scale turbulence in numerical simulation experiments.
Abstract:Simulation is the name frequently applied to direct numerical time integration of hydrodynamic equations as initial value-boundary value problems.
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Record ID:0/1076


Date:12/01/1978
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Nickerson, E.C., J.M. Fritsch, C.F. Chappell, D.R. Smith
Title:Numerical simulations of orographic and convective cloud systems
Abstract:None
Location:10
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Record ID:0/1077


Date:10/01/1999
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Zilitinkevich, S., V. M. Gryanik, V. N. Lykossov, D. V. Mironov
Title:Third-order transport and nonlocal turbulence closures for convective boundary layers
Abstract:The turbulence closure problem for convective boundary layers is considered with the chief aim to advance the understanding and modeling of nonlocal transport due to large-scale semiorganized structures.
Location:Citation Only, Full Text Not In Library
Record ID:0/1078


Date:10/01/1999
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Mironov, D. V., V. M. Gryanik, V. N. Lykossov, S. S. Zilitinkevich
Title:Comments on
Abstract:None.
Location:Citation Only, Full Text Not In Library
Record ID:0/1079


Date:10/01/1999
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Abdella, K., N. McFarlane
Title:Comments on
Abstract:None.
Location:Citation Only, Full Text Not In Library
Record ID:0/1080


Date:04/15/2000
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Kosovic, B., J.A. Curry
Title:A large eddy simulaitn study of a quasi-steady, stably stratified atmospheric boundary layer
Abstract:Using the large eddy simulation (LES) technique, the authors study a clear-air, stably stratified atmospheric boundary layer (ABL) as it approaches a quasi-steady state
Location:Citation Only, Full Text Not In Library
Record ID:0/1081


Date:04/15/2000
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Kosovic, B., J.A. Curry
Title:A large eddy simulaitn study of a quasi-steady, stably stratified atmospheric boundary layer
Abstract:Using the large eddy simulation (LES) technique, the authors study a clear-air, stably stratified atmospheric boundary layer (ABL) as it approaches a quasi-steady state
Location:Citation Only, Full Text Not In Library
Record ID:0/1082


Date:01/01/1998
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Stevens, B., W.R. Cotton, G. Feingold
Title:A critique of one- and two-dimensional models of boundary layer clouds with a binned representations of drop microphysics
Abstract:A variety of models of boundary layer turbulence are increasingly being coupled to binned representation of cloud-drop spectra for the prupose of studying cloudy boundary layers and aerosol-cloud-drop interactions.
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Record ID:0/1083


Date:03/15/2001
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Fedorovich, E., F. T. M. Nieuwstadt, R. Kaiser
Title:Numerical and Laboratory Study of Horizontally Evolving Convective Boundary Layer. Part II: Effects of Elevated Wind Shear and Surface Roughness
Abstract:Modifications of turbulence regime in the sheared convective boundary layer (CBL) by a number of external nonbuoyant forcings are studied experimentally in a thermally stratified wind tunnel and numerically by means of large eddy simulation
Location:Citation Only, Full Text Not In Library
Record ID:0/1084


Date:07/15/2001
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Larson, V.E., R. Wood, P.R. Field, J.-C. Golaz, T.H. Vonder Haar, W.R. Cotton
Title:Small-scale and mesoscale variability of scalars in cloudy boundary layers: One-dimensional probability density functions
Abstract:A key to parameterizaton of subgrid-scale processes is the probability density function (PDF) of conserved scalars.
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Record ID:0/1085


Date:08/01/2001
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Lappen, C.-L., D.A. Randall
Title:Toward a unified parameterization of the boundary layer and moist convection. Part I: A new type of mass-flux model
Abstract:Higher-order closure (HOC) models have been proposed for parameterization of the turbulent planetary bounfary layer (PBL).
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Record ID:0/1086


Date:08/01/2001
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Lappen, C.-L., D.A. Randall
Title:Toward a unified parameterization of the boundary layer and moist convection. Part II: Lateral mass exchanges and subplume-scale fluxes
Abstract:The dissipation parameterizations developed for higher-order closure are used to parameterize lateral entrainment and detrainment in mass-flux model.
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Record ID:0/1087


Date:08/01/2001
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Lappen, C.-L., D.A. Randall
Title:Toward a unified paremeterization of the boundary layer and moist convection. Part III: Simulations of clear and cloudy convection
Abstract:A model that employs a new form of mass-flux closure (described in Part I of this paper) is applied to a variety of clear and cloudy planetary boundary layers (PBLs) including dry convection from the Wangara Experiment, trade wind cumulus from the Barbados Oceanographic and Meteorological Experiment (BOMEX), and marine stratocumulus from the Atlantic Stratocumulus Experiment (ASTEX).
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Record ID:0/1088


Date:08/01/2001
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Schafer, R., P.T. May, T.D. Keenan, K. McGuffie, W.L. Ecklund, P.E. Johnston, K.S. Gage
Title:Boundary layer development over a tropical island during the maritime continent thunderstorm experiment
Abstract:Data collected during the Maritime Contient Thuderstorm Experiment (MCTEX) (10 November- 10 December 1995) have been used to analyze boundary layer development and circulations over two almost flat, tropical island.
Location:Citation Only, Full Text Not In Library
Record ID:0/1089


Date:01/01/2001
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Pelly, J.L., S.E. Belcher
Title:A mixed-layer model of the well-mixed stratocumulus-topped boundary layer
Abstract:Recently a range of sophisticated large-eddy simulations of the cloud-topped boundary layer have been intercompared and further compared with observations and single column models.
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Record ID:0/1090


Date:09/15/2002
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:V.L. Gryanik, Hartmann, J.
Title:A Turbulence Closure for the Convective Boundary Layer Based on a Two-Scale Mass-Flux Approach
Abstract:The closure problem for the convective turbulence of the shear-free and low to moderate wind atmospheric boundary layer is considered.
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Record ID:0/1091


Date:09/01/2002
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Monti, P., H.J.S. Fernando, M. Princevac, W.C. Chan, T.A. Kowalewski, E.R. Pardyjak
Title:Observations of Flow and Turbulence in the Nocturnal Boundary Layer of a Slope
Abstract:Measurements were conducted on an eastern slope of the Salt Lake Basin (SLB) as a part of the Vertical Transport and Mixing Experiment (VTMX) conducted in October 2000.
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Record ID:0/1092


Date:09/15/2002
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Van de Wiel, B.J.H., A.F. Moene, R.J. Ronda, H.A.R. DeBruin, A.A.M. Holtslag
Title:Intermittent Turbulence and Oscillations in the Stable Boundary Layer over Land. Part II: A System Dynamics Approach
Abstract:In the stable boundary layer it is often observed that turbulence is not continuous in space and time.
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Record ID:0/1093


Date:09/01/2002
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Jones, P.A., Bannon, P.R.
Title:A Mixed-Layer Model of the Diurnal Dryline
Abstract:This study examines the diurnal behavior of the dryline system using a mixed-layer model to represent the cool moist air capped by an inversion to the east of the line.
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Record ID:0/1094


Date:09/01/2002
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Andreas, E.L., B.B. Hicks
Title:Comments on
Abstract:
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Record ID:0/1095


Date:09/01/2002
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Johansson, C., A. Smedman, U. Hogstrom
Title:Reply
Abstract:
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Record ID:0/1096


Date:2001
Subject:(10) Boundary Layer Dynamics And Thermal Convection
(53) Planetary/Atmospheric Boundary
Author:Golaz, J.C., V.E. Larson, W.R. Cotton
Title:Development of a new parameterization for representing boundary layer clouds in mesoscale models
Abstract:none.
Location:reprints box 42
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Record ID:0/1097


Date:10/15/2002
Subject:(10) Boundary Layer Dynamics And Thermal Convection
(66) Stratiform/Stratocu Clouds
Author:Lewellen, D.C., W.S. Lewellen
Title:Entrainment and Decoupling Relations for Cloudy Boundary Layers
Abstract:An idealized model of the relationship between entrainment in cloud-topped boundary layers, circulation structure, and the degree of decoupling between the cloud and subcloud layers is developed based on simple turbulent flux distributions and the premise that the entrainment rate, both at cloud top and across cloud base when some stability exsists there, is controlled by the large-eddy structure for quasi-steady buoyantly driven conditions.
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Record ID:0/1098


Date:10/2002
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Min, I.A., R.N. Abernathy, H.L. Lundblad
Title:Measurement and Analysis of Puff Dispersions above the Atmospheric Boundary Layer Using Quantitative Imagery
Abstract:Collection and analysis of puff dispersion data in the atmosphere using a remote sensing technique are presented.
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Record ID:0/1099


Date:12/1/2002
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Lilly, D.K.
Title:Entrainment into Mixed Layers. Part I: Sharp-Edged and Smoothed Tops
Abstract:A pervasive issue in the analysis of clear and cloud-containing convectively mixed layers is how to predict their growth through entrainment.
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Record ID:0/1100


Date:12/1/2002
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Lilly, D.K.
Title:Entrainment into Mixed Layers. Part II: A New Closure
Abstract:A new entrainment closure for convectively mixed boundary layers particularly those topped by stratocumulus clouds is developed and calibrated against results of large eddy simulations carried out by C.-H. Moeng.
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Record ID:0/1101


Date:1992
Subject:(10) Boundary Layer Dynamics And Thermal Convection
(39) Large Eddy Simulation
Author:Hadfield, Cotton, Pielke
Title:Large-Eddy simulations of thermally forced circulations in the convective boundary layer. Part II: The effect of changes in wavelength and wind speed
Abstract:none.
Location:reprints box 28
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Record ID:0/1102


Date:1988
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Hadfield, Cotton, Pielke
Title:Comments on
Abstract:none.
Location:reprints box 26
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Record ID:0/1103


Date:1981
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Banta
Title:The development of the heated boundary layer model for flow over mountainous terrain
Abstract:none.
Location:reprints box 17
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Record ID:0/1104


Date:1981
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Banta, Bader, Tripoli, Cotton
Title:A boundary-layer model for flow over mountainous terrain
Abstract:none
Location:Citation Only, Full Text Not In Library
Record ID:0/1105


Date:1981
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Banta, Cotton
Title:An investigation of thermally-forced boundary layer floww over mountainous terrain
Abstract:none.
Location:reprints box 17
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Record ID:0/1106


Date:1979
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Banta, Cotton
Title:A diagnostic parameterization for subgrid covariances in a boundary-layer model
Abstract:none.
Location:Citation Only, Full Text Not In Library
Record ID:0/1107


Date:1979
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Banta, Cotton
Title:Horizontal and vertical structure of diurnal boundary layer flow patterns over mountainous terrain
Abstract:none.
Location:reprints box 14
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Record ID:0/1108


Date:1981
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Banta, Cotton
Title:Boundary-layer and surface flux measurements over a wide, flat, valley in the Colorado Rockies
Abstract:none
Location:reprints box 17
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Record ID:0/1109


Date:1981
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Banta, R.., W.R. Cotton
Title:A
Abstract:none.
Location:reprints box 17
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Record ID:0/1110


Date:1977
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Manton, Cotton
Title:Parameterization of the atmospheric surface layer
Abstract:none.
Location:reprints box 12
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Record ID:0/1111


Date:1978
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Cotton, George
Title:A summer with PAM
Abstract:none.
Location:reprints box 13
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Record ID:0/1112


Date:1978
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Cotton, Hahn, Banta
Title:Air Turbulence measurements in and below cumulus congestus over mountainous terrain.
Abstract:none.
Location:Citation Only, Full Text Not In Library
Record ID:0/1113


Date:1979
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Banta
Title:Subgrid condensation in a cumulus cloud model
Abstract:none
Location:0
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Record ID:0/1114


Date:01/01/2002
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Banta, R.M., R.K. Newsom, J.K. Lundquist, Y.L. Pichugina, R.L. Coulter, L. Mahrt
Title:Nocturnal low-level jet characteristics over Kansas during CASES-99
Abstract:Characteristics and evolution of the low-level jet (LLJ) over southeastern Kansas were investigated during the 1999 Copperative Surface-Atmosphere Exchange Study (CASES-99) field campaing with an instrument completment....
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Record ID:0/1115


Date:01/01/2003
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Newsom, R.K., R.M. Banta
Title:Shear-flow instability in the stable nocturnal boundary layer as observed by Doppler Lidar during CASES-99
Abstract:This study investigates a shear-flow instability observed in the stably stratified nighttime boundary layer on 6 October 1999 during the Cooperative Atmosphere-Surface Exchange Study (CASES-99) in south-central Kansas.
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Record ID:0/1116


Date:01//01/2004
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Grant, A.L.M., A.P. Lock
Title:The turbulent kinetic energy budget for shallow cumulus convection
Abstract:Turbulent kinetic energy (TKE) budgets derived from large-eddy simulations of the cumulus-capped boundary layer are analysed using recently developed similarity ideas.
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Record ID:0/1117


Date:11/01/1982
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Mellor, G.L., T. Yamada
Title:Development of a turbulence closure model for geophysical fluid problems
Abstract:Applications of second-moment turbulent closure hypotheses to geophysical fluid problems have developed rapidly since 1973, when genuine skill in coping with the effects of satratification was demonstrated.
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Record ID:0/1118


Date:10/15/2003
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Poulos, G.S., S.P. Burns
Title:An evaluation of bulk Ri-based surface layer flux formulas for stable and very stable conditions with intermittent turbulence
Abstract:High-rate near-surface overnight amtospheric data taken during the Cooperative Atmosphere-Surface Exchange Study-1999 (CASES-99) is used quantify...
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Record ID:0/1119


Date:07/15/2004
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Andrejczuk, M., W.W. Grabowski, S.P. Malinowski, P.K. Smolarkiewicz
Title:Numerical simulation of cloud-clear air interfactial mixing
Abstract:This paper discusses results from a series of direct numerical simulations of the microscale cloud-clear air mixing, set for in the idealized scenario of decaying moist turbulence.
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Record ID:0/1120


Date:02/15/2004
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:De Roode, S.R., P.G. Dyunkerke
Title:Large-eddy simulation: How large is large enough?
Abstract:The length scale evolution of various quantities in a clear convective boundary layer (CBL), a stratocumulus-topped boundary layer, and three radiatively cooled (
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Record ID:0/1121


Date:09/15/2003
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Letzel, M.O., S. Raasch
Title:Large eddy simulation of thermally induced oscillations in the convective boundary layer
Abstract:Mesoscale circulations induced by differential boundary layer heating due to surface inhomogeneities on scales of 5 km and more can significantly change the average properties and the structure of the convective boundary layer (CBL) as well as trigger off temporal oscillations.
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Record ID:0/1122


Date:04/15/2004
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Moeng, C.H., J.C. McWilliams, R. Rotunno, P.P. Sullivan, J. Weil
Title:Investigating 2D modeling of atmospheric convection in the PBL
Abstract:The performance of a two-dimensional (2D) numerical model in representing three-dimensional (3D) planetary boundary layer (PBL) convection is investigated by comparing the 2D model solution to that of a 3D large-eddy simulation.
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Record ID:0/1123


Date:11/01/2004
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Neggers, R.A.J., A.P. Siebesma, G. Lenderink, A.A.M. Holtslag
Title:An evaluation of mass flux closures for diurnal cycles of shallow cumulus
Abstract:Three closure methods for the mass flux at cloud base in shallow cumulus convection are critically examined for the difficult case of a diurnal cycle over land.
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Record ID:0/1124


Date:08/15/2003
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Pino, D., J. Vila-Guerau de Arellano, P.G. Duynkerke
Title:The contribution of shear to the evolution of a convective boundary layer
Abstract:The role of shear in the development and maintenace of a convective boundary layer is studied by means of observation and large eddy simulations (LESs).
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Record ID:0/1125


Date:05/15/2003
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Siebesma, A.P., C.S. Bretherton, A. Brown, A. Chlong, J. Cuxart, P.G. Duynkerke, H. Jiang, M. Khairoutdinov, D. Lewellen, C.H. Moneg, E. Sanchez, B. Stevens, D.E. Stevens
Title:A large eddy simulation intercomparison study of shallow cumulus convection
Abstract:This paper reports an intercomparison study on undistributed trade wind cumulus convection under steady-state conditions as observed during the Barbados Oceanographic and Meteorological Experiment (BOMEX) with 10 large eddy simulation (LES) models.
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Record ID:0/1126


Date:05/15/2003
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Siebesma, A.P., C.S. Bretherton, A. Brown, A. Chlong, J. Cuxart, P.G. Duynkerke, H. Jiang, M. Khairoutdinov, D. Lewellen, C.H. Moneg, E. Sanchez, B. Stevens, D.E. Stevens
Title:A large eddy simulation intercomparison study of shallow cumulus convection
Abstract:This paper reports an intercomparison study on undistributed trade wind cumulus convection under steady-state conditions as observed during the Barbados Oceanographic and Meteorological Experiment (BOMEX) with 10 large eddy simulation (LES) models.
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Record ID:0/1127


Date:08/15/2003
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Tian, W., D.J. Parker
Title:A modeling study and scaling analysis of orographic effects on boundary layer shallow convection
Abstract:Effects of orography on boundary layer shallow convection under various background winds are studied using a two-dimensional model together with scaling analysis.
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Record ID:0/1128


Date:01/15/2003
Subject:(10) Boundary Layer Dynamics And Thermal Convection
(66) Stratiform/Stratocu Clouds
Author:Wang, S., Q. Wang, G. Feingold
Title:Turbulence, condensation, and liquid water transport in numerically simulated nonprecipitating stratocumulus clouds
Abstract:Condensation and turbulent liquid water transport in stratocumulus clouds involve complicated interactions between turbulence dynamics and cloud microphysical processes, and play essential roles in defining the cloud structure.
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Record ID:0/1129


Date:04/15/2003
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:Neggers, R.A.J., H.J.J. Jonker, A.P. Siebesma
Title:Size statistics of cumulus cloud populations in large-eddy simulations
Abstract:Cloud size distribution of shallow cumulus cloud populations are calculated using the large-eddy simulation (LES) approach.
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Record ID:0/1130


Date:01/01/2003
Subject:(10) Boundary Layer Dynamics And Thermal Convection
Author:DeRoode, S.R., C.S. Bretherton
Title:Mass-flux budgets of shallow cumulus clouds
Abstract:The vertical transport by shallow nonprecipitating cumulus clouds of conserved variables, such as the total specific humidity of the liquid water potential temperature, can be well modeled by the mass-flux approach, in which the cloud ...
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Record ID:0/1131


Date:10/01/1993
Subject:(11) Cirrus
Author:Ansmann, A., J. Bosenberg, G. Brogniez, S. Elouragini, P.H. Elamant, K. Klapheck, H. Linn, L. Meneger, W. Michaelis, M. Riebesell, C. Senff, P.-Y. Thro, U. Wandinger, C. Weitkamp
Title:Lidar network observations of cirrus morphological and scattering properties during the International Cirrus Experiment 1989: The October 1989 case study statistical analysis
Abstract:Four lidars, located roughly 75 km from each other in the inner German Bight of the North
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Record ID:0/1132