Date:08/15/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Cheng, Y., V.M. Canuto
Title:Stably stratified shear turbulence: A new model for the energy dissipation length scale.
Publication:J. Atmos. Sci., 51, 2384-2396
Abstract:A model is presented to compute the turbulent kinetic energy dissipation length scale le in a stably stratified shear flow. The expression for le is derived from solving the spectral balance equation for the turbulent kinetic energy. The buoyancy spectr um entering such equation is constructed using a Lagrangian timescale with modifications due to stratification.
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Record ID:53/1

Date:09/01/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Dovgalyuk, Y.A., M.A. Zatevakhin, E.N. Stankova
Title:Numerical simulation of a buoyant thermal using the k-epsilon turbulence model
Publication:J. Appl. Met., 33, 1118-1126
Abstract:Possibilities for describing turbulent mixing processes through the use of the two-equation k-epsilon modified to take into account the effects of streamline curvature and buoyancy are discussed. It is shown that one of the k-epsilon model constants must have different values under stable and unstable conditions so that a correct description of the turbulence in stratified flows could be achived.
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Record ID:53/2

Date:01/01/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:DuPont, E., J. Pelon, C. Flamant
Title:Study of the moist convective boundary-layer structure by backscattering Lidar
Publication:Boundary-Layer Met., 69, 1-25
Abstract:Measurements of the structure of the Convective Boundary Layer (CBL) were made from the ground and from the ARAT aircraft with a backscattering lidar during the
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Record ID:53/3

Date:12/01/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Ek, M. and L. Mahrt
Title:Daytime evolution of relative humidity at the boundary layer top
Publication:Mon. Wea. Rev., 122, 2709-2721
Abstract:Data from the Hydrological and Atmospheric Pilot Experiment-Modelisation du Bilan Hydrique (HAPEX-MOBILHY) field program and results from a one-dimensional model of the soil and atmospheric boundary layer are analyzed to study the daytime evolution of the relative humidity at the boundary layer top. This evolution is thought to control the development of boundary layer clouds.
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Record ID:53/4

Date:12/01/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Smedman, A.-S., M. Tjernstrom, U. Hogstrom
Title:The near-neutral marine atmospheric boundary layer with no surface shearing stress: A case study
Publication:J. Atmos. Sci., 51, 3399-3411
Abstract:Data from a marine coastal experiment over the Baltic Sea, comprising airborne measurements and mast measurements, have been used to highlight the turbulence dynamics of a case with most unusual flow characteristics. The boundary layer had a depth of abo ut 1200m. The thermal stratification was near neutral, with small positive heat flux below 300m and equally small negative heat flux above.
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Record ID:53/5

Date:12/01/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Derbyshire, S.H.
Title:A 'balanced' approach to stable boundary layer dynamics
Publication:J. Atmos. Sci., 51, 3486-3504
Abstract:Semiempirical arguments from Roach and Nieuwstadt concerning Richardson numbers Ri, R_f in stably stratified shear layers and boundary layers appear to bypass uncertainties of turbulence closures. Here it is shown that these arguments can be expressed sy stematically as a Richardson number 'balance' condition, derived formally from standard closure models implementing critical Richardson numbers.
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Record ID:53/6

Date:01/01/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Genon-Musson, L.
Title:Comparison of different simple turbulence closures with a one-dimensional boundary layer model.
Publication:Mon. Wea. Rev., 123, 163-180
Abstract:A comparison of simple turbulence closures with a one-dimensional boundary layer model is presented in order to select one fro a three-dimensional nonhydrostatic model applied to the transport-diffusion problem in complex terrain.
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Record ID:53/7

Date:01/01/1978
Subject:(53) Planetary/Atmospheric Boundary
Author:Lamb, R.G., D.R. Durran
Title:Eddy diffusivities derived from a numerical model of the convective planetary boundary layer
Publication:Il Nuovo Cimento, 1C, 1-17
Abstract:Functional forms for the vertical eddy diffisivity K_z(z) are sought that optimize the performance of the K-theory diffusion equation.
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Record ID:53/8

Date:11/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Moeng, C.-H., J.C. Wyngaard
Title:Statistics of conservative scalars in the convective bounday layer
Publication:J. Atmos. Sci., 41, 3161-3169
Abstract:The authors represent the three-dimensional, time dependent field of a passive, conservative scalar in the convective boundary layer as the sum of top-down and botton-up components created by the scalar fluxes through the top and bottom, respectively. A simple similarity hypothesis for these component fields makes it possible to extract their statistics from large eddy simulations of the boundary layer.
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Record ID:53/9

Date:00/00/1977
Subject:(53) Planetary/Atmospheric Boundary
Author:Viskanta, R., R.W. Bergstrom, R.O. Johnson
Title:Effects of air pollution on thermal structure and dispersion in an urban planetary boundary layer
Publication:Beitrage zur Physik der Atmosphare, 50, 419-440
Abstract:An unsteady two-dimensional transport model has been used to study the short-term effects of urbanization and air pollution on the transport processes in the urban planetary boundary layer. The effects of air pollution on radiative transfer have been acc ounted for and the variation of the physical properties of the soil, the radiation characteristics of the earth's surface, and the urban heat and pollutant emissions along the city were included.
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Record ID:53/10

Date:00/00/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Wittich, K.-P., R. Roth
Title:A case study of nocturnal wind and temperature profiles over the inhomogeneous terrain of Northern Germany with some consideratins of turbulent fluxes
Publication:Boundary-Layer Met., 28, 169-186
Abstract:Soundings in the stably-stratified boundary layer were executed over the rough terrain of Northern Germany during a night with a low-level jet (LLJ) development. Vertical wind and temperature profiles were obtained at 5 m height intervals using a tethers onde transported up and down along a 300 m high radio tower by an elevator.
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Record ID:53/11

Date:00/00/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:Zemel, Z., J. Lomas
Title:An objective method for assessing representativeness of a station network measuring minimum temperature near the ground
Publication:Boundary-Layer Met., 10, 3-14
Abstract:The spatial auto-correlation of minimum temperature was analyzed for a topoclimatological station network in the Huleh Valley of Israel on radiation cooling nights, using the method of optimum interpolation. Only a few stations all of which are situated in a flat area along the longitudinal central axis, exhibited a distinct dependence of the auto-correlation with distance.
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Record ID:53/12

Date:00/00/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Driedonks, A.G.M., H. Tennekes
Title:Entrainment effects in the well-mixed atmospheric boundary layer
Publication:Boundary-Layer Met., 30, 75-105
Abstract:We discuss the structure and evolution of a cloud-free atmospheric boundary layer (ABL) during daytime over land, starting from a shallow ABL at sunrise and developing into a deep ABL with strong convection in the afternoon. The structure of the turbulen ce in the lower half of a convective ABL capped by an inversion is reasonably well understood.
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Record ID:53/13

Date:00/00/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Nicholls, S., B. Brummer, F. Fiedler, A. Grant, T. Hauf, G. Jenkins, C. Readings, W. Shaw
Title:The structure of the turbulent atmospheric boundary layer
Publication:Phil. Trans. R. Soc. Lond., A308, 291-309
Abstract:During the Joint Air-Sea Interaction Experiment (JASIN), mean flow and turbulent fluctuations were measured throughout the depth of the atmospheric boundary layer by shipborne surface instrumentation, multiple-instrument packages suspended from tethered b alloons and research aircraft flying in low level formation.
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Record ID:53/14

Date:00/00/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Louis, J.-F.
Title:A parametric model of vertical eddy fluxes in the atmosphere
Publication:Boundary-Layer Met., 17, 187-202
Abstract:A scheme for the representation of the vertical eddy fluxes of heat, momentum and water vapour in a forecast model is presented. An important feature of the scheme is the dependence of the diffusion coefficients on the static stability of the atmosphere.
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Record ID:53/15

Date:00/00/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Leyi, Z., H.A. Panofsky
Title:Wind fluctuations in stable air at the Boulder tower
Publication:Boundary-Layer Met., 25, 353-362
Abstract:Spectra and variances of velocity components and pressure in stable air were analyzed at the 300 m tower of the BAO. Spectra in very stable air in light winds usually contain low-frequency fluctuations of large magnitude, and high-frequency fluctuations with considerably less energy, separated by a gap.
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Record ID:53/16

Date:00/00/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Taylor, P.A., J.L. Walmsley, J.R. Salmon
Title:A simple model of neutrally stratified boundary-layer flow over real terrain incorporating wavenumber-dependent scaling
Publication:Boundary-Layer Met., 26, 169-189
Abstract:Our experience in applying earlier versions of a model of boundary-layer flow over low hill to real terrain (see Walmsley et al., 1982) has led to the development of a new version which we designate MS3DJH/3. The main improvements are the use of terrain- dependent length and velocity scales and the blending of inner and outer layer results into a single 'universally valid' solution for the velocity perturbation field.
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Record ID:53/17

Date:00/00/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Isaka, H., B. Guillemet
Title:Molecular dissipation of turbulent fluctuations in the convective mixed layer. Part II: Height variations of characteristic time scales and experimental test of molecular dissipation models
Publication:Boundary-Layer Met., 27, 257-279
Abstract:Extensive turbulence measurements from the Limagne and Beauce experiments were used to compute a characteristic time scale of the turbulence field (turbulence = second moment/dissipation rate) for turbulent kinetic energy, temperature and humidity varianc es, and temperature-humidity covariance.
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Record ID:53/18

Date:00/00/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Guillemet, B., H. Isaka, P. Mascart
Title:Molecular dissipatin of turbulent fluctuations in the convective mixed layer. Part I: Height variations of dissipation rates
Publication:Boundary-Layer Met., 27, 141-162
Abstract:During the Limagne and Beauce experiments, the INAG-IGN Aerocommander FL 280 aircraft made extensive `in situ' measurements of turbulent fluctuations in diurnally evolving convective boundary layers. In this paper, these measurements were used to investi gate characteristics of the molecular dissipation of turbulent fluctuations through the mixed layer and well into the overlying stable layer.
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Record ID:53/19

Date:00/00/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Garratt, J.R.
Title:Observations in the nocturnal boundary layer
Publication:Boundary-Layer Met., 22, 21-48
Abstract:Low-latitude observations of the stably-stratified planetary boundary layer (SLB) above rough terrain are compared to observatins of the mid-latitude (SBL) mainly through the depth h and its dependence upon surface fluxes.
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Record ID:53/20

Date:03/00/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Gossard, E.E.
Title:Formation of elevated refractive layers in the oceanic boundary layer by modification of land air flowing offshore.
Publication:Radio Science, 17, 385-398
Abstract:The usual picture of the development of temperature and humidity boundary layers in a land air mass that moves offshore is shown to be very wrong under one type of Foehn condition in southern California, and it is probable that similar conditions can prev ail in widespread areas around the globe, notably the Mediterranean Sea and the monsoonal regions of the Near East and Southeast Asia.
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Record ID:53/21

Date:00/00/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Lenschow, D.H., A.C. Delany, B.B. Stankov, D.H. Stedman
Title:Airborne measurements of the vertical flux of ozone in the boundary layer
Publication:Boundary-Layer Met., 19, 249-265
Abstract:A fast-response chemiluminescent ozone sensor was mounted in an aircraft instrumented for air motion and temperature measurements. Measurements of the vertical flux of ozone by the eddy correlation technique were obtained after correcting for time delay and pressure sensitivity in the ozone sensor output.
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Record ID:53/22

Date:00/00/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Mahrt, L., R.C. Heald, D.H. Lenschow, B.B. Stankov, I.B. Troen
Title:An observational study of the structure of the nocturnal boundary layer
Publication:Boundary-Layer Met., 17, 247-264
Abstract:In an effort to describe the basic vertical structure of the nocturnal boundary layer, observations from four experiments are analyzed. During the night, the depth of significant cooling appears to increase with time while the depth of the turbulence and height of the low level wind maximum tend to remain constant or decrease with time.
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Record ID:53/23

Date:00/00/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Rao, K.S., H.F. Snodgrass
Title:Some parameterizations of the nocturnal boundary layer
Publication:Boundary Layer Met., 17, 15-28
Abstract:The evolution and structure of a steady barotropic nocturnal boundary layer are investigated using a higher-order turbulence closure model which includes equations for the mean quantities, turbulence convariances, and the ciscous dissipation rate. The re sults indicate that a quasi-steady nocturnal PBL might be established in 4-10 hours after transition, depending on surface cooling rate.
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Record ID:53/24

Date:00/00/1978
Subject:(53) Planetary/Atmospheric Boundary
Author:Telford, J.W., J.D. Presley
Title:The surface boundary layer as part of the overlying convective layer
Publication:Pure and Applied Geophysics (Pageoph), 117, #4, (1978/79), 664-689
Abstract:This paper extends previous work developing a mechanistic theory of the convective boundary layer to the forced convective region between the base of the plumes and the surface. It is shown that a simple model based on specifying the entrainment between adjacent layers, gives quantitative relations between temperature at plume height and the surface temperature, and the shearing strees and the turbulence, thus completing the specifications of the surface boundary layer...
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Record ID:53/25

Date:11/00/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Wippermann, F., G. Gross
Title:On the construction of orographically influenced wind roses for given distributions of the large-scale wind.
Publication:Beitr. Phys. Atmosph., 54, 492-501
Abstract:The surface wind rose can be constructed even for a site in irregular terrain, e.g. in a valley, from a given frequency distribution of the large-scale wind, i.e. the geostrophic wind; for this a non-hydrostatic meso-scale numerical simulation model must be applied. Such a construction is shown for the observation station Mannheim in the Upper-Rhine valley.
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Record ID:53/26

Date:05/00/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Zeman, O.
Title:Parameterization of the dynamics of stable boundary layers and nocturnal jets
Publication:J. Atmos. Sci., 36, 792-804
Abstract:In this paper as slab model for horizontally homogeneous, stable boundary layers is developed, where variations in mean quantities at the bounday layer top and in mean shear are accounted for. A rate equation for the boundary-layer depth is derived from the integral conservation equation for mean kinetic energy.
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Record ID:53/27

Date:00/00/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Webb, E.K.
Title:Profile relationships in the superadiabatic surface layer
Publication:Quart. J. R. Met. Soc., 108, 661-688
Abstract:By analyses of profile data for the superadiabatic surface layer from the Johns Hopkins group (USA) in 1953 and from Swinbank and co-workers (Australia) in 1962-64, mean profile forms which give a close representation of the data are adopted.
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Record ID:53/28

Date:09/00/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Wakefield, J.S., W.H. Schubert
Title:Mixed-layer model simulation of eastern North Pacific Stratocumulus
Publication:Mon. Wea. Rev., 109, 1952-1968
Abstract:The cloud-topped mixed-layer theory developed by Lilly (1968) is employed in a slightly generalized form to simulate stratocumulus in the eastern North Pacific. The radiation parameterization involves cloud-top longwave cooling and mixed-layer shortwave heating. Long-wave emissivity and shortwave adsorption are functions of cloud thickness.
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Record ID:53/29

Date:07/00/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Wyngaard, J.C., M.A. LeMone
Title:Behavior of the refractive index structure parameter in the entraining convective boundary layer
Publication:J. Atmos. Sci., 37, 1573-1585
Abstract:The refractive index structure parameter C sub N squared has contributions for the temperature and humidity structure parameters C sub T squared and C sub Q squared and form the joint structure parameter C sub TQ. We briefly review the behavior of these structure parameters in the surface layer.
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Record ID:53/30

Date:07/00/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Sun, W.-Y., Y. Ogura
Title:Modeling the evolution of the convective planetary boundary layer
Publication:J. Atmos. Sci., 37, 1558-1572
Abstract:The level 3 turbulence closure model proposed by Mellor and Yamada (1974) is modified 1) to incorporate the formulations for the turbulence third-order moments and pressure terms proposed by Zeman and Lumley (1976) and 2) to introduce turbulence length sc ales which depend upon the stratification of the atmosphere. The vertical heat and moisture fluxes and the temperature-humidity covariance are determined from differential equations.
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Record ID:53/31

Date:10/00/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Melling, H., R. List
Title:Characteristics of vertical velocity fluctuations in a convective urban boundary layer
Publication:J. Appl. Met., 19, 1184-1195
Abstract:Vertical air motions within the convective boundary layer over Toronto, Canada, have been observed using a monostatic Doppler echosonde. Data were acquired on cloudless days with strong insolation and light winds, when turbulence dynamics were dominated by buoyancy. Data were analyzed only for time periods with nearly constant wind and mixed-layer depth.
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Record ID:53/32

Date:10/00/1973
Subject:(53) Planetary/Atmospheric Boundary
Author:Lewellen, W.S., M. Teske
Title:Prediction of the Monin-Obukhov similarity functions from an invariant model of turbulence
Publication:J. Atmos. Sci., 30, 1340-1345
Abstract:The second-order, invariant modeling technique for turbulent flows as developed by Donaldson is applied to the atmospheric surface layer. The steady, high-Reynolds number equations reduce to a universal set when the variables are scaled by the shear stre ss and vertical heat flux as suggested by Monin and Obukhov.
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Record ID:53/33

Date:08/20/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Lenschow, D.H., R. Pearson, Jr., B.B. Stankov
Title:Estimating the ozone budget in the boundary layer by use of aircraft measurements of ozone eddy flux and mean concentration
Publication:J. Geophys. Res., 86, 7291-7297
Abstract:A fast response chemiluminescent ozone sensor was mounted in a National Center for Atmospheric Research Queen Air aircraft instrumented for air motion, temperature, and humidity measurements. The vertical flux of ozone was then obtained by the eddy corre lation technique for several flights in the daytime atmospheric boundary layer over eastern Colorado.
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Record ID:53/34

Date:01/00/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Isaka, H., B. Pinty
Title:Description de l'oscillation diurne du vent geostrophique dans la couche limite planetaire en europe de l'ouest
Publication:J. Rech. Atmos., 15, 1-15
Abstract:Analysis of data from the West European meteorological network shows the existence of a diurnal variation of the geostrophic wind in the planetary boundary layer. The amplitude of this oscillation is similar to the one previously observed by Sangster (19 67) and Bonner and Paegle (1970) over the Great Plains in the United States.
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Record ID:53/35

Date:07/00/1978
Subject:(53) Planetary/Atmospheric Boundary
Author:Carlson, T.N., F.E. Boland
Title:Analysis of urban-rural canopy using a surface heat flux/temperature model
Publication:J. Appl. Meteor., 17, 998-1013
Abstract:A one-dimensional numerical model, capable of simulating surface temperature and heat flux, is described in terms of the effective atmospheric and terrain variables. The two model parameters which are most responsible for the formation of important tempe rature variations in the horizontal over the urban-rural complex are the thermal inertia (thermal property) and moisture availability, the former being most responsible for shaping the nighttime temperature pattern while the latter has a
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Record ID:53/36

Date:06/00/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Burk, S.D.
Title:Temperature and humidity effects on refractive index fluctuations in upper regions of the convective boundary layer
Publication:J. Appl. Met., 20, 717-721
Abstract:Here we illustrate a method which readily permits determination of the relative contributions of the individual temperature-humidity structure terms to total C sub n squared within the uppermost region of the clear, convective boundary layer.
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Record ID:53/37

Date:00/00/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Assamoi, P., H. Isaka
Title:Application d'une methode d'analyse objective des donnees au reseau meteorologique de l'Europe de l'ouest
Publication:J. Rech. Atmos., 13, 189-200
Abstract:A method for the analysis of aerological variables based on polynomial interpolation is presented. It is based on the partitioning of the experimental area by triangular elements with the stations at their vertices. An interpolation is made on every suc h elementary areas using the information on the gradient relative to the next two or three triangles.
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Record ID:53/38

Date:00/00/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Achy, A.S., R. Rosset
Title:Qualification operationnelle en atmosphere tropicale d'un modele unidimensionnel de convection nuageuse
Publication:J. Rech. Atmos., 14, 165-176
Abstract:We proceed in the tropical atmosphere to a comparison between the results of a one-dimensional cumulus cloud model and the pluviometric regime at Abidjan (Ivory Coast). On the basis of data collected during Moussafrica 77, we first calibrate the model: this adjustment bears on the determination of an optimal entrainment constant k for which statistical elements are given, aiming at reducing part of its inherent empirism.
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Record ID:53/39

Date:07/00/1962
Subject:(53) Planetary/Atmospheric Boundary
Author:Blackadar, A.K.
Title:The vertical distribution of wind and turbulent exchange in a neutral atmosphere.
Publication:J. Geophys. Res., 67, 3095-3102
Abstract:The problem of the approach to the geostrophic wind is solved assuming that the exchange coefficient is proportional to the one-third power of the rate of dissipation of turbulent energy. Resonable agreement between the predicted and observed values of t he surface stress, surface wind direction, and height of the layer of frictional influence is obtained when the size of the eddies is assumed to become independent of height at a relatively low level.
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Record ID:53/40

Date:05/00/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Somerville, R.C.J., T. Gal-Chen
Title:Numerical simulation of convection with mean vertical motion
Publication:J. Atmos. Sci., 36, 805-815
Abstract:The flow in a convectively unstable layer of fluid may be strongly influenced by large-scale ascent or descent. We consider cellular convection between horizontal surfaces on which vertical velocity is maintained at a constant value. Using an efficient numerical model to simulate the evolution of the convection in three space dimensions and time, we investigate the effect of the imposed vertical velocity on the flow.
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Record ID:53/41

Date:06/00/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Lenschow, D.H., J.C. Wyngaard, W.T. Pennell
Title:Mean-field and second-moment budgets in a baroclinic, convective boundary layer
Publication:J. Atmos. Sci., 37, 1313-1326
Abstract:Terms in the budgets of turbulence kinetic energy, temperature and humidity variances, and temperature and humidity fluxes have been evaluated for a baroclinic, convective boundary layer using data obtained from the NCAR Electra aircraft during the Air Ma ss Transformaton Experiment (AMTEX).
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Record ID:53/42

Date:02/00/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:Sommeria, G.
Title:Three-dimensional simulation of turbulent processes in an undisturbed trade wind boundary layer.
Publication:J. Atmos. Sci., 33, 216-241
Abstract:The numerical model used by Deardorff (1972) for studying the clear air boundary layer under neutral or unstable conditions has been extended to include most of the physical processes occurring in a moist boundary layer in the absence of precipitation. I t now contains a water cycle with cloud formation and a revised treatment of the subgrid-scale turbulence which incorporates effects of thermal stratification; it takes into account infrared radiative cooling in clear and cloudy conditions
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Record ID:53/43

Date:10/00/1978
Subject:(53) Planetary/Atmospheric Boundary
Author:Andre, J.C., G. De Moor, P. Lacarrere, G. Therry, R. du Vachat
Title:Modeling the 24-hour evolution of the mean and turbulent structures of the planetary boundary layer
Publication:J. Atmos. Sci., 35, 1861-1883
Abstract:A high-order model is proposed for the study of the 24 h evolution of clear planetary boundary layers. The model includes the rate equations of correlations upt to the third order, as required for an accurate description of daytime convective phenomena, but it also takes into account interactions between radiative transfer and turbulence in order to achieve a physically reasonable description of the nocturnal structure of the boundary layer.
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Record ID:53/44

Date:02/00/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Banta, R.M.
Title:Daytime boundary-layer evolution over mountainous terrain. Part I: Observations of the dry circulations
Publication:Mon. Wea. Rev., 112, 340-356
Abstract:This paper presents the boundary layer structure which accompanies the development of daytime local wind systems in a broad mountain valley, as revealed by cross sections of potential temperature. It describes how this structure leads to the occurrence o f a region of convergence to the downwind side of mountains.
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Record ID:53/45

Date:07/00/1972
Subject:(53) Planetary/Atmospheric Boundary
Author:Brown, R.A.
Title:On the inflection point instability of a stratified Ekman boundary layer
Publication:J. Atmos. Sci., 29, 850-859
Abstract:The neutral Ekman bounday layer is known to be dynamically unstable to infinitesimal perturbations under typical geophysical conditions. This paper discusses this instability to two-dimensional, simple-harmonic perturbations, for the stratified Ekman lay er. While viscosity and Coriolis forces are generally important in setting up the basic mean profile, the inflection point instability can be investigated in the inviscid, non-rotating system limit.
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Record ID:53/46

Date:08/00/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Brown, R.A.
Title:Longitudinal instabilities and secondary flows in the planetary boundary layer: A review
Publication:Rev. Geophys. Space Physics, 18, 683-697
Abstract:Within the past decade, satellite pictures have shown persistent cloud patterns which indicate that the flow in the atmospheric planetary boundary layer is often organized in helical secondary circulations aligned parallel to the mean flow. Theory and ob servation agree that both convectin in the presence of shear and the dynamic inflection point instabilities of the Ekman layer lead to these flow patterns.
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Record ID:53/47

Date:11/00/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Garrett, A.J.
Title:Comparison of observed mixed-layer depths to model estimates using observed temperature and winds, and MOS forecasts
Publication:J. Appl. Met., 20, 1277-1283
Abstract:Two mixed-layer models were tested diagnostically with the Wangara and O'Neill data, and one year of rawinsonde and surface data from four southeastern U.S. stations. They were tested as prediction models with MOS and LFM model forecasts.
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Record ID:53/48

Date:07/00/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Tuzet, A., B. Guillemet, H. Isaka
Title:Echelles interfaciales des fluctuations de temperature et d'humidite dans la couche de melange convective
Publication:J. Rech. Atmos., 17, 185-197
Abstract:At the top of convective boundary layer, maximum values of the variance of temperature and humidity frequently occur because of the large values of the vertical gradients of mean potential temperature and specific humidity at the base of the overlying sta ble layer. In this paper, a formula is proposed to calculate these maximum variances as a function of the interfacial physical characteristics and the surface fluxes of heat and moisture
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Record ID:53/49

Date:09/00/1966
Subject:(53) Planetary/Atmospheric Boundary
Author:Lilly, D.K.
Title:On the instability of Ekman boundary flow
Publication:J. Atmos. Sci., 23, 481-494
Abstract:The stability of the two-dimensional boundary flow produced in a rotating tank with small inflow is investigated by means of perturbation analysis. The resulting differential eigenvalue problem is solved numerically both for the complete set of equations and for a truncated set (the Orr-Sommerfeld equation) shown by Stuart and Barcilon to be valid in the limit of large Reynolds number R.
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Record ID:53/50

Date:04/00/1970
Subject:(53) Planetary/Atmospheric Boundary
Author:Asai, T.
Title:Stability of a plane parallel flow with variable vertical shear and unstable stratification
Publication:J. Met. Soc. Japan, 48, 129-138
Abstract:A study is made of stability properties of perturbations superimposed on an unstably stratified plan parallel flow with variable vertical shear. Two different types of instability which may take place in the flow are found: one is a thermal instability modified by a shear flow, and the other is an inertial instability modified by a thermal stratification.
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Record ID:53/51

Date:12/00/1972
Subject:(53) Planetary/Atmospheric Boundary
Author:Asai, T.
Title:Thermal instability of a shear flow turning the direction with height
Publication:J. Met. Soc. Japan, 50, 525-532
Abstract:Thermal convection in a shear flow varying the direction as well as the speed with respect to height is investigated by means of the perturbation analysis under the Boussinesq approximation. A particular attention is focused on caracteristic band structu re of thermal convection in relation to the basic flow in which the convection is superimposed.
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Record ID:53/52

Date:11/00/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Zhang, D., R.A. Anthes
Title:A high-resolution model of the planetary boundary layer - sensitivity tests and comparisons with SESAME-79 data
Publication:J. Appl. Met., 21, 1594-1609
Abstract:A high-resolution, one-dimensional moist planetary boundary layer (PBL) model is developed following Blackadar, and verified using the 10 April 1979 SESAME data set. The model consists of two modules to predict the time-dependent behavior of the PBL unde r various surface characteristics. Under stable conditions, turbulent fluxes are related to a local Richardson number.
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Record ID:53/53

Date:01/00/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Wyngaard, J.C., R.A. Brost
Title:Top-down and bottom-up diffusion of a scalar in the convective boundary layer
Publication:J. Atmos. Sci., 41, 102-111
Abstract:The vertical diffusion of a passive, conservative scalar through the convective PBL is actually the superposition of what we call 'top-down' and 'bottom-up' processes. These component processes are driven by scalar fluxes at the mixed-layer top and botto m. We argue that the vertical asymmetry in the buoyant production of the turbulent kinetic energy should cause the top-down and botton-up diffusivities to differ.
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Record ID:53/54

Date:07/00/1974
Subject:(53) Planetary/Atmospheric Boundary
Author:Willis, G.E., J.W. Deardorff
Title:A laboratory model of the unstable planetary boundary layer
Publication:J. Atmos. Sci., 31, 1297-1307
Abstract:Experimental details of a laboratory model of the unstable planetary boundary layer are given. Measurements of vertical profiles of mean temperature and heat flux, and of velocity and temperature fluctuations are presented and compared with atmospheric o bservations.
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Record ID:53/55

Date:12/00/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Walter, B.A.
Title:Wintertime observations of roll clouds over the Bering Sea
Publication:Mon. Wea. Rev., 108, 2024-2031
Abstract:NOAA-4 satellite photos of roll clouds over the Bering Sea are used to derive quantitative information as to how the interval bewteen the cloud changes with distance south of theedge of the ice pack. Radiosondes are utilized to obtain values of the bound ary-layer height at St. Paul Island.
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Record ID:53/56

Date:03/00/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Shirer, H.N., R. Wells
Title:Improving spectral models by unfolding their singularities
Publication:J. Atmos. Sci., 39, 610-621
Abstract:Maximally truncated spectral models have been used recently by fluid and atmospheric dynamicists to study nonlinear behavior of the governing partial differential system. However, too few external control parameters may be available in the truncated mode l to describe adequately the steady states near singular parameter values at which two or more stationary solutions meet.
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Record ID:53/57

Date:00/00/1972
Subject:(53) Planetary/Atmospheric Boundary
Author:Kaimal, J.C., J.C. Wyngaard, Y. Izumi, O.R. Cote
Title:Spectral characteristics of surface-layer turbulence
Publication:Quart. J. R. Met. Soc., 98, 563-589
Abstract:The behaviour of spectra and cospectra of turbulence in the surface layer is described within the framework of similarity theory using wind and temperature fluctuation data obtained in the 1968 AFCRL Kansas experiments. With appropriate normalization, th e spectra and cospectra are each reduced to a family of curves with spread out according to z/L at low frequencies but converge to a single universal curve in the inertial subrange.
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Record ID:53/58

Date:01/00/1978
Subject:(53) Planetary/Atmospheric Boundary
Author:Kaimal, J.C.
Title:Horizontal velocity spectra in an unstable surface layer
Publication:J. Atmos. Sci., 35, 18-24
Abstract:Data from a boundary-layer experiment conducted over a flat, uniform site in Minnesota provide a clue to the behavior of the low-frequency peak in surface-layer horizontal velocity spectra. This portion of the spectra shows systematic behavior only when plotted in dimensionless coordinates appropriate to the mixed layer, whereas the inertial subrange frequencies follow Monin-Obukhov similarity.
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Record ID:53/59

Date:12/00/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:Zdunkowski, W.G., R.M. Welch, J. Paegle
Title:One-dimensional numerical simulation of the effects of air pollution on the planetary boundary layer
Publication:J. Atmos. Sci., 33, 2399-2414
Abstract:A dynamic-numerical model is utilized to study the impact of air pollution on the temperature and wind distributions of the planetary boundary layer. The mathematical model uses a rather complete radiative treatment which comprises the entire solar and i nfrared spectrum ranging from 0.29 to 100 micrometers.
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Record ID:53/60

Date:10/00/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Wang, I.T.
Title:The determination of surface-layer stability and eddy fluxes using wind speed and vertical temperature gradient measurements
Publication:J. Appl. Meteor., 20, 1241-1248
Abstract:Analytical relatins are developed that relate the Monin-Obukhov parameter to a modified bulk Richardson number expressed in terms of measured wind speed and vertical temperature difference. Measured Monin-Obukhov parameters and Richardson numbers are com pared with those calculated using these relations as well as those using the conversion schemes developed earlier by Golder.
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Record ID:53/61

Date:00/00/1973
Subject:(53) Planetary/Atmospheric Boundary
Author:Ottersten, H., K.R. Hardy, C.G. Little
Title:Radar and sodar probing of waves and turbulence in statically stable clear-air layers
Publication:Boundary-Layer Met., 4, 47-89
Abstract:This paper reviews the remote sensing of waves and turbulence in statically stable atmospheric layers, utilizing sodar and microwave radar echoes from the small-scale inhomogeneities in gaseous refractive index caused by localized fluctuations in temperat ure, humidity, and velocity. Scattering theory and sounding methodology are reviewed friefly, and the relative performance of typical radar and sodar systems compared.
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Record ID:53/62

Date:00/00/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Nicholls, S., C.J. Readings
Title:Spectral characteristics of surface layer turbulence over the sea.
Publication:Quart. J. R. Met. Soc., 107, 591-614
Abstract:Airborne measurements of atmospheric turbulence spectra and cospectra made at low levels in convective boundary layers over the sea around the UK are presented. Both along-wind and across-wind sampled data are considered. In general, the former agree we ll with the results of other workers obtained over the sea using surface based instrumentation, though their temperature spectra differ significantly.
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Record ID:53/63

Date:05/00/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Stull, R.B., E.W. Eloranta
Title:Boundary Layer Experiment - 1983
Publication:Bull. Am. Met. Soc., 65, 450-456
Abstract:Interactions between fair-weather cumulus clouds and mixed-layer thermals were the focus of a one-month field experiment in Oklahoma. This experiment, called Boundary Layer Experiment - 1983 (BLX83), combined remote sensors, surface observations, balloon platforms, and aircraft measurements to study the kinematics at the top of the daytime convective boundary layer.
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Record ID:53/64

Date:04/00/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Manasseh, R., J.H. Middleton
Title:Boundary layer oscillations from thunderstorms at Sydney Airport
Publication:Mon. Wea. Rev., 123, 1166-1177
Abstract:Analyses of wind velocity and air pressure data, acquired by a set of low-level anemometers at Sydney Airport, Australia, indicate the passage of a set of three remarkably smooth atmospheric boundary layer oscillations that traveled ahead of a thunderstor m on 27 December 1991. The oscillatins were probably generated by a nearby thunderstorm outflow, propagating into a stably stratified atmospheric layer.
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Record ID:53/65

Date:06/01/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Roth, M., T.R. Oke
Title:Relative efficiencies of turbulent transfer of heat, mass, and momentum over a patchy urban surface
Publication:J. Atmos. Sci., 52, 1863-1874
Abstract:This study uses observational data from a suburban site in Vancouver, British Columbia, Canada, to investigate the relative facility with which heat, water vapor
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Record ID:53/66

Date:07/01/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Cuijpers, J.W.M., P. Bechtold
Title:A simple parameterization of cloud water related variables for use in boudary layer models
Publication:J. Atmos. Sci., 52, 2486-2490
Abstract:A simple parameterization of cloud water related variables has been developed, which can be used in meteorological models that use a prognostic equation for the turbulent kinetic energy. Based on the results of large-eddy simulations (LES), expressions are derived for the liquid water flux, the partial cloudiness, and the cloud water content as a function of the normalized saturation deficit.
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Record ID:53/67

Date:09/01/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Zhong, S., J.C. Doran
Title:A modeling study of the effects of inhomogeneous sufrace fluxes on boundary-layer properties
Publication:J. Atmos. Sci., 52, 3129-3142
Abstract:A numerical modeling study was conducted to examine the response of the atmospheric boundary layer to inhomogeneous surface fluxes.
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Record ID:53/68

Date:09/01/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Mann, J., D.H. Lenschow, L. Kristensen
Title:Comments on ``A definitive approach to turbulence statistical studies in planetary boundary layers
Publication:J. Atmos. Sci., 52, 3195-3196
Abstract:NONE
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Record ID:53/69

Date:09/01/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Gluhovsky, A., E. Agee
Title:Reply to Mann et al's Comment
Publication:J. Atmos. Sci., 52, 3197-3198
Abstract:NONE
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Record ID:53/70

Date:09/01/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Renno, N.O., E.R. Williams
Title:Quasi-Lagrangian measurements in convective boundary layer plumes and their implications for the calculation of CAPE
Publication:Mon. Wea. Rev., 123, 2733-2742
Abstract:Measurements were made to determine the level of origin of air parcels participating in natural convection. Lagrangian measurements of conservative variables are ideal for this purpose.
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Record ID:53/71

Date:01/01/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Frech, M., L. Mahrt
Title:A two-scale mixing formulation for the atmospheric boundary layer
Publication:Bound.-Layer Meteor., 73, 91-104
Abstract:This study compares different simple mixing schemes for one-dimensional models and focuses on the two-scale mixing approach. Two-scale mixing consists of local diffusion between adjacent grid levels and nonlocal mixing over the bulk of the boundary layer (nonlocal mixing). The latter represents nonlocal mixing by the boundary-layer scale eddies.
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Record ID:53/72

Date:01/01/1995
Subject:(53) Planetary/Atmospheric Boundary
(39) Large Eddy Simulation
Author:Shen, S., M.Y. LeClerc
Title:How large must surface inhomogeneities be before they influence the convective boundary layer structure? A case study
Publication:Q. J. Roy. Meteor. Soc., 121, 1209-1228
Abstract:A high-resolution large-eddy simulation model has been used to investigate the effect of scale in surface inhomogeneities on the turbulence structure of the convective boundary layer (CBL). Surface heat fluxes were varied sinusoidally in two dimensions w ith wavelengths of 250, 500 and 1000m, corresponding to about 0.27 z-sub-i, 0.55 z-sub-i and 1.1 z-sub-i (z-sub-i is the boundary layer depth).
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Record ID:53/73

Date:10/15/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Ayotte, K.W., P.A. Taylor
Title:A mixed spectral finite-difference 3D model of netral planetary boundary-layer flow over topography
Publication:J. Atmos. Sci., 52, 3523-3537
Abstract:A simple three-dimensional model of planetary boundary layer flow is developed based on the Mixed Spectral Finite-Difference model of Beljaars et al. using the full second-order closre turbulence
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Record ID:53/74

Date:10/15/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Piper, M., J.C. Wyngaard, W.H. Snyder, R.E. Lawson, Jr.
Title:Top-down, bottom-up experiments in a water convection tank
Publication:J. Atmos. Sci., 52, 3607-3619
Abstract:Large-eddy simulation (LES) results indicate that turbulent scalar diffusion in the convective atmospheric boundary layer (CBL) has interesting properties.
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Record ID:53/75

Date:01/01/1996
Subject:(53) Planetary/Atmospheric Boundary
Author:Lewellen, D.C., W.S. Lewellen, S. Yoh
Title:Influence of Bowen ratio on boundary-layer cloud structure.
Publication:J. Atmos. Sci., 53, 1, 175-187
Abstract:An investigation of the influence of the ratio of surface sensible heat flux to latent heat flux, the Bowen ratio, on the structure of boundary-layer clouds is carried out utulizing numerical large eddy simulations (LES).
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Record ID:53/76

Date:01/01/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Kuwagata, T., M. Sumioka
Title:The daytime PBL heating process over complex terrain in Central Japan under fair and calm weather conditions. Part III: Daytime thermal low and nocturnal thermal high
Publication:J. Meteorol. Soc. Japan, 69, 91-104
Abstract:The daytime thermal low and nocturnal thermal high over central Japan are analyzed for fair weather and weak synoptic wind conditions during the spring.
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Record ID:53/77

Date:12/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Kuwagata, T. N. Masuko, M. Sumioka, J. Kondo
Title:The daytime PBL heating process over complex terrain in Central Japan under fair and calm weather conditions Part II: Regional heat budget, convective boundary layer height and surface moisture availability
Publication:J. Meteorol. Soc. Japan, 68, 639-650
Abstract:The daytime PBL heating process and the air-land heat budget are analyzed for central Japan under fair weather and weak synoptic
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Record ID:53/78

Date:12/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Kuwagata, T., M. Sumioka, N. Masuko, J. Kondo
Title:The daytime PBL heating process over complex terrain in Central Japan under fair and cold weather conditions. Part I: Meso-scale circulation and the PBL heating rate
Publication:J. Meteor. Soc. Japan, 68, 625-638
Abstract:Using a new analysis technique, the heat budget of the daytime atmospheric planetary boundary layer (PBL) over a complex terrain was obtained for 55 meteorological stations in central
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Record ID:53/79

Date:01/01/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Kuwagata, T., J. Kondo, M. Sumioka
Title:Thermal effect of the sea breeze on the structure of the boundary layer and the heat budget over land
Publication:Boundary-layer Meteorol., 67, 119-144
Abstract:The daytime boundary-layer heating process and the air-land heat budget were investigated over the coastal sea-breeze region by means of observations over the
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Record ID:53/80

Date:5/1/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Kuwagata, T.
Title:Daytime boundary layer evolution in a deep valley. Part I: Observations in the Ina Valley
Publication:J. Appl. Meteorol., 34, 1082-1091
Abstract:The development process of the daytime boundary layer under fair weather and weak synoptic wind conditions was observed in the Ina Velley
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Record ID:53/81

Date:06/15/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Canuto, V.M., F. Minotti, C. Ronchi, R.M. Ypma, O. Zeman
Title:Second-order closure PBL model with new third-order moments: Comparison with LES data.
Publication:J. Atmos. Sci., 51, 12, 1605-1618
Abstract:This paper contains two parts. In the first part, a new set of diagnostic equaitons is derived for the third-order moments for a buoyancy-driven flow, by exact inversion of the prognostic equations for the third-order moment equations in the stationary c ase. The third-order moments exhibit a universal structure: they are all a linear combination of the derivatives of all the second-order moments.
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Record ID:53/82

Date:01/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Alpert, P., M. Kasuda, N. Abe
Title:Anticlockwise rotation, eccentricity, and tilt angle of the wind hodograph. Part III; An observational study
Publication:J. Atmos. Sci., 41, 3568-3583
Abstract:Following the theory of Kusuda and Alpert (Part I), expressions for the eccentricity and tilt angle of the surface-wind hodograph at different latitudes are derived as functions of the amplitude and phase soft of the
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Record ID:53/83

Date:04/01/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Andre, J.C., L. Mahrt
Title:The nocturnal surface inversion and influence of clear-air radiative cooling
Publication:J. Atmos. Sci., 39, 864-878
Abstract:Nocturnal boundary-layer data from the Wangara and Voves experiments are analyzed.
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Record ID:53/84

Date:03/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Andren, A.
Title:Evaluation of a turbulence closure scheme suitable for air pollution applications
Publication:J. Appl. Met., 29, 224-239
Abstract:A computationally efficient turublence closure scheme is formulated and evaluated.
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Record ID:53/85

Date:03/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Anthes, R.A., N.L. Seaman, T.T. Warner
Title:Comparisons of numerical simulations of the planetary boundary layer by a mixed-layer and a multi-level model
Publication:Mon. Wea. Rev., 108, 365-376
Abstract:A series of increasingly complicated meteorological circulations is modeled by a two-dimensional, multi-level primitive equation model (MLM) and a one-dimensional mixed-layer model (XLM)
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Record ID:53/86

Date:10/01/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Arya, S.P.S.
Title:Parameterizing the height of the stable atmospheric boundary layer
Publication:J. Appl. Met., 20, 1192-1202
Abstract:A critical assessment is made of the various diagnostic relations for the height of the nocturnal boundary layer, as well as of their past comparisons with experimental data.
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Record ID:53/87

Date:10/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Arya, S.P.S.
Title:The schematics of balance of forces in the planetary boundary layer
Publication:J. Clim. Appl. Met., 24, 1001-1002
Abstract:It is pointed out that in a rotating frame of reference, the friction force on a fluid element may not be parallel and opposite to the velocity vector,
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Record ID:53/88

Date:07/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Atlas, D., B. Walter, S.H. Chou, P.J. Sheu
Title:The structure of the unstable marine boundary layer viewed by Lidar and aircraft observations
Publication:J. Atmos. Sci., 43, 1301-1318
Abstract:The combination of vertical lidar and in situ meteorological observations from two aircraft provide and unprecedented view of the marine atmospheric boundary layer (MABL) during a cold air outbreak.
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Record ID:53/89

Date:02/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Banta, R.M.
Title:Late-morning jump in TKE in the mixed layer over a mountain basin
Publication:J. Atmos. Sci., 42, 407-411
Abstract:The turbulence or
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Record ID:53/90

Date:10/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Beljaars, A.C.M., P. Schotanus, F.T.M. Nieuwstadt
Title:Surface layer similarity under nonuniform fetch conditions
Publication:J. Clim. Appl. Met., 22, 1800-1810
Abstract:This paper discussed the results of a surface-layer experiment near the Cabauw meteorological mast
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Record ID:53/91

Date:04/01/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Beniston, M.G., G. Sommeria
Title:Use of a detailed planetary boundary layer model for parameterization purposes
Publication:J. Atmos. Sci., 38, 781-797
Abstract:Use is made of a three-dimensional model of the planetary boundary layer to investigate features of non-precipitating convection and its prameterization
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Record ID:53/92

Date:09/01/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Betts, A.K., W. Ridgway
Title:Climatic equilibrium of the atmosphere convective boundary layer over a tropical ocean
Publication:J. Atmos. Sci., 46, 2621-2641
Abstract:A one-dimensional thermodynamic model for a partially mixed, partly cloudy, convective boundary layer (CBL) is coupled to a radiation model to compute equilibrium solutions for a tropical
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Record ID:53/93

Date:06/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Betts, A.K., R. Boers
Title:A cloudiness transition in a marine boundary layer
Publication:J. Atmos. Sci., 47, 1480-1497
Abstract:In situ aircraft data and lidar data are used to analyze a transition in the boundary layer thermodynamic structure from a clear boundar layer
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Record ID:53/94

Date:02/01/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Boers, R.
Title:A parameterization of the depth of the entrainment zone
Publication:J. Appl. Met., 28, 107-111
Abstract:A theory of the parameterization of the entrainment zone depth has been developed based on conservation of energy
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Record ID:53/95

Date:08/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Bond, N.A., R.G. Fleagle
Title:Prefrontal and postfrontal boundary layer processes over the Ocean
Publication:Mon. Wea. Rev., 1257-1273
Abstract:Measurements taken during the Storm Transfer and Response Experiment (STREX) are used to analyze boundary layer structures and processes in North Pacific storms
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Record ID:53/96

Date:08/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Bougeault, P., J.C. Andre
Title:On the stability of the third-order turbulence closure for the modelling of the stratocumulus-topped boundary layer
Publication:J. Atmos. Sci., 43, 1574-1581
Abstract:It is shown that higher-order turbulence-closure models include as particular solutions damped oscillations in the statically stable case,
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Record ID:53/97

Date:12/01/1987
Subject:(53) Planetary/Atmospheric Boundary
Author:Briggs, G.A.
Title:Comments on 'Lateral dispersion from tall stacks'
Publication:J. Clim. Appl. Met., 26, 1779-1780
Abstract:A few minor errors in a paper by Hanna are noted and several questions are raised about apparent inconsistencies
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Record ID:53/98

Date:04/01/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Burk, S.D.
Title:Comparison of structure parameter scaling expressions with turublence closure model predictions
Publication:J. Atmos. Sci., 38, 751-761
Abstract:The convective boundary-layer scaling expressions presented by Wyngaard and LeMone (1980) are compared with predictions from a turbulence closure model
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Record ID:53/99

Date:06/15/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Bush, A.B.G., W.R. Peltier
Title:Tropopause folds and synoptic-scale baroclinic wave life cycles
Publication:J. Atmos. Sci., 51, 1581-1604
Abstract:The linear stability of three midlatitude zonal mean states of varying baroclinicty and barotropy is examined using a primitive equation stability analysis under the anelastic approximation
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Record ID:53/100

Date:02/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Carlson, J.D., M.R. Foster
Title:Numerical study of some unstably stratified boundary-layer flows over a valley at moderate Richardson number
Publication:J. Clim. Appl. Met., 25, 203-213
Abstract:A two-dimensional numerical model is utilized to investigate steady-state, three-dimensional turbulent flow over a valley under unstable thermal stratifications
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Record ID:53/101

Date:08/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Carlson, M.A., R.B. Stull
Title:Subsidence in the nocturnal boundary layer
Publication:J. Clim. Appl. Met., 25, 1088-1099
Abstract:Nights with clear skies and strong radiative cooling that favor the formation of statically stable nocturnal boundary layers (MBL) are also those nights most likely to have subsidence
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Record ID:53/102

Date:07/15/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Carruthers, D.J., C.H. Moeng
Title:Waves in the overlying inversion of the convective boundary layer
Publication:J. Atmos. Sci., 44, 1801-1808
Abstract:Large eddy simulations and a linear theory are used to examine the characteristics of waves trapped in the temperature inversion that bounds the convective boundary layer
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Record ID:53/103

Date:01/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Cerni, T.A., T. Parish
Title:A radiative model of the stable nocturnal boundary layer with application to the Polar night
Publication:J. Clim. Appl. Met., 25, 1563-1572
Abstract:A graybody, longwave, radiative transfer model based on revised estimates of the absorption characteristics of
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Record ID:53/104

Date:01/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Chang, H.R., H. Shirer
Title:Transitions in shallow convection: An explanation for lateral cell expansion
Publication:J. Atmos. Sci., 41, 23334-2346
Abstract:A generalized seven-coefficient model of two-dimensional Rayleigh-Benard convection is presented
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Record ID:53/105

Date:09/01/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Chang, S.W.J.
Title:An efficient parameterization of convective and nonconvective planetary boundary layers for use in numerical models
Publication:J. Appl. Met., 18, 1205-1215
Abstract:An efficient, multilayer model for predicting the diurnal variations in the thermal and momentum fields in the planetary boundary layer
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Record ID:53/106

Date:11/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Cheung, T.K., C.G. Little
Title:Meteorological tower, microbarograph array, and solar observations of solitary-like waves in the nocturnal boundary layer
Publication:J. Atmos. Sci., 47, 2516-2536
Abstract:Five short-duration distrubances of the stable nocturnal boundary layer, ranging in depth from about 15 m to over 500 m, were observed using a 300 m meteorological tower
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Record ID:53/107

Date:01/01/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Chollet, J.P., M. Lesieur
Title:Parameterization of small scales of three-dimensional isotraphic turbulence utilizing spectral closures
Publication:J. Atmos. Sci., 38, 2747-2757
Abstract:A spectral equation derived from two-point closures applied to three-dimensional isotropic turbulence is studied from the subgrid-scale modeling point of view
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Record ID:53/108

Date:01/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Coantic, M., O. Simonin
Title:Radiative effects on turbulent temperature spectra and budgets in the planetary boundary layer
Publication:J. Atmos. Sci., 41, 2629-2651
Abstract:The effects of radiative energy transfer on turbulent temperature fields are studied, and preliminary estimates show the infrared
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Record ID:53/109

Date:12/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Dayan, U., R. Shenhav, M. Graber
Title:The spatial and temporal behavior of the mixed layer in Israel
Publication:J. Appl. Met., 27, 1382-1394
Abstract:A detailed study to determine the spatial and temporal behavior of the coastal and inland mixed layer in Israel was undertaken
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Record ID:53/110

Date:02/01/1987
Subject:(53) Planetary/Atmospheric Boundary
Author:Deardorff, J.W., G.E. Willis
Title:Turbulence within a baroclinic laboratory mixed layer above a sloping surface
Publication:J. Atmos. Sci., 44, 772-778
Abstract:A convection tank (of water) containing a buoyancy-driven trubulent boundary layer was titlted at a 10 degree angle so that mean-flow shear would occur.
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Record ID:53/111

Date:03/01/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Deardorff, J.W.
Title:Prediction of convective mixed-layer entrainment for realistic capping inversion structure
Publication:J. Atmos. Sci., 36, 424-436
Abstract:The first-order jump mode for the potential temperature or buoyancy variable at the capping inversion atop a convectivley mixed
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Record ID:53/112

Date:11/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Deardorff, J.W.
Title:Laboratory experiments on diffusion: The use of convective mixed-layer scaling
Publication:J. Clim. Appl. Met., 24, 1143-1151
Abstract:A review is presented on laboratory modeling of diffusion downwind of a continuous point source within a boundary layer of well-defined height with turbulence driven by buoyant convection
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Record ID:53/113

Date:06/01/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Deardorff, J.W., E.W. Peterson
Title:The boundary-layer growth equation with Reynolds averaging
Publication:J. Atmos. Sci., 37, 1405-1409
Abstract:A local interfacial boundary condition between a turbulent and non-turbulent layer is constructed in a manner that allows local entrainment
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Record ID:53/114

Date:01/01/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Deardorff, J.W., L. Mahrt
Title:On the dichotomy in theoretical treatments of the atmospheric boundary layer
Publication:J. Atmos. Sci., 39, 2096-2098
Abstract:The two main approaches presently in use for studying the boundary layer are quite dichotomous
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Record ID:53/115

Date:04/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Duvel, J.P., R.S. Kandel
Title:Regional-scale diurnal variations of outgoing infrared radiation observed by Meteosat
Publication:J. Clim. Appl. Met., 24, 335-349
Abstract:For any given area, diurnal variation of the emitted longwave radiation reveals the response of the surface and atmosphere to the astronomical diurnal forcing
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Record ID:53/116

Date:07/15/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Ebert, E.E., U. Schumann, R.B. Stull
Title:Nonlocal turbulent mixing in the convective boundary layer evaluated from large-eddy simulation
Publication:J. Atmos. Sci., 46, 2178-2207
Abstract:Large-eddy simulation is used to simulate quasi-steady state convection in a windless mixed layer over a uniform surface with constant heat flux
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Record ID:53/117

Date:06/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Emeis, S.
Title:Pressure drag of obstacles in the atmospheric boundary layer
Publication:J. Appl. Met., 29, 461-476
Abstract:Pressure drag of obstacles in the atmospheric boundary layer is computed with a mesoscale numerical model of the troposphere
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Record ID:53/118

Date:03/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Eymard, L., A. Weill
Title:Dual Doppler radar investigation of the tropical convective boundary layer
Publication:J. Atmos. Sci., 45, 853-864
Abstract:Radar observations of the convective boundary layer were made during the COPT 81 experiment in May-June 1985 over western Africa
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Record ID:53/119

Date:03/01/1987
Subject:(53) Planetary/Atmospheric Boundary
Author:Fairall, C.W.
Title:A top-down and bottom-up diffusion model of C_T^2 and C_O^2 in the entraining convective boundary layer
Publication:J. Atmos. Sci., 44, 1009-1017
Abstract:A model of scalar structure function parametes in the entraining, convective boundary layer is developed based on a top-down and bottom-up diffusion approach
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Record ID:53/120

Date:01/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Fairall, C.W.
Title:Wind shear enhancement of entrainment and refractive index structur eparameter at the top of a turbulent mixed layer
Publication:J. Atmos. Sci., 41, 3472-3484
Abstract:A model for inversion layer turbulence properties of a cloud-free entraining mixed-layer with wind shear at the top is developed
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Record ID:53/121

Date:04/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Farago, T.
Title:Soil moisture content: Statistical estimation of its probabiliy distribution
Publication:J. Clim. Appl. Met., 24, 371-376
Abstract:A stochastic model for the estimation of soil moisture distribution is derived
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Record ID:53/122

Date:02/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Fiedler, B.H., C.H. Moeng
Title:A practical integral closure model for mean vertical transport of a scalar in a convective boundary layer
Publication:J. Atmos. Sci., 42, 359-363
Abstract:A closure scheme is developed for representing the mean vertical transport of a passive scalar within a convective boundary layer
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Record ID:53/123

Date:02/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Finnigan, J.J.
Title:Kinetic energy transfer between internal gravity waves and turbulence
Publication:J. Atmos. Sci., 45, 486-505
Abstract:We describe a reliable method for distinguishing the mean, wave and turbulence fields when internal waves with changing amplitude perturb the trubulent boundary layer
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Record ID:53/124

Date:01/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Finnigan, J.J., F. Einaudi, D. Fua
Title:The interaction between an inernal gravity wave and turbulence in the stably-stratified nocturnal boundary
Publication:J. Atmos. Sci., 41, 2409-2436
Abstract:Observations have been made of a stably-stratified nighttime boundary layer perturbed by Kelvin-Helmholtz internal waves with critical levels aorund 600 m
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Record ID:53/125

Date:07/01/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Fitzjarrald, D.R., M. Garstang
Title:Vertical structure of the tropical boundary layer
Publication:Mon. Wea. Rev., 109, 1512-1526
Abstract:Observations presented show that the undisturbed subcloud layer near the ITCZ resembles that of the trades
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Record ID:53/126

Date:08/01/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Fitzjarrald, D.R., M. Garstang
Title:Boundary-layer growth over tropical ocean
Publication:Mon. Wea. Rev., 109, 1762-1772
Abstract:Results of a one-dimensional mixed-layer growth model are compared with thermodynamic observations made during the GARP Atalantic Tropical Experiment (GATE)
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Record ID:53/127

Date:01/01/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Garratt, J.R.
Title:Surface fluxes and the nocturnal boundary-layer height
Publication:J. Appl. Met., 21, 725-279
Abstract:The Zilitenkevitch relation for nocturnal boundary-layer (NBL) depth h in terms of scale u_*/f and L is necessarily a poor predictor of h when single-point values of surface fluxes are used
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Record ID:53/128

Date:01/01/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Garratt, J.R., J.C. Wyngaard, R.J. Francey
Title:Winds in the atmospheric boundary layer--Prediction and observation
Publication:J. Atmos. Sci., 39, 1307-1316
Abstract:A simple, but realistic, three-layer model of the unsable atmospheric boundary layer (ABL) comprising surface layer deep mixed layer and transition layer, within which geostrophic adjustment takes place, is utilized
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Record ID:53/129

Date:01/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Garrett, A.J.
Title:Drainage flow prediction with a one-dimensional model including canopy, soil and radiation parameterizations
Publication:J. Clim. Appl. Met., 22, 79-91
Abstract:A mathematical model for simulation of winds over mountain slopes was developed and tested with observations from Australia and the western United States
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Record ID:53/130

Date:07/01/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Gerrity, J.P., Jr., T.L. Black, R.E. Treadon
Title:the numerical solution of the Mellor-Yamada Level 2.5 turbulent kinetic energy equation in the Eta model
Publication:Mon. Wea. Rev., 122, 1640-1646
Abstract:A new method is presented for obtaining the numerical simulation of the production-dissipation component of the turblent kinetic energy equation that arises in the Mellor-Yamada level 2.5 turbulent closure model
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Record ID:53/131

Date:06/15/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Bluhovsky, A., E. Agee
Title:A definitive approach to turbulence statistical studies in planetary boundar layers
Publication:J. Atmos. Sci., 51, 1682-1690
Abstract:A method of comprehensive statistical data anlaysis is presented
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Record ID:53/132

Date:08/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Godowitch, J.M., J.K.S. Ching, J.F. Clarke
Title:Evolution of the nocturnal inversion layer at an urban and nonurban location
Publication:J. Clim. Appl. Met., 24, 791-804
Abstract:The evolutionary cycle of the nocturnal radiation inversion layer, from formation through the time of erosion under fair wather summer conditions were investigated
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Record ID:53/133

Date:02/01/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Greenhut, G.K., G. Mastrantonio
Title:Turbulence kinetic energy budget profiles derived from Doppler sodar measurements
Publication:J. Appl. Met., 28, 99-106
Abstract:Doppler sodar wind measurements made in light wind conditions in September 1979 near a power plant in Turbigo, Italy, are used to derive terms in the turbulence kinetic energy budget
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Record ID:53/134

Date:02/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Gutowski, W.J., Jr.
Title:A simple model for the interaction between vertical eddy heat fluxes and static stability
Publication:J. Atmos. Sci., 42, 346-358
Abstract:A model designed for studying the interaction between vertical eddy heat fluxes and the vertical temperature structure in midlatitudes is presented
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Record ID:53/135

Date:07/01/1992
Subject:(53) Planetary/Atmospheric Boundary
Author:Haack, T., H.N. Shirer
Title:Mixed convective-dynamic roll vortices and their effects on initial wind and temperature profiles
Publication:J. Atmos. Sci., 49, 1181-1201
Abstract:The onset and development of both dynamically and convectively forced boundary-layer rolls are studies with linear and nonlinear analyses of a truncated
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Record ID:53/136

Date:03/01/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Halberstam, I., J.P. Schieldge
Title:Anamalous behavior of the atmospheric surface layer over a meting snowpack
Publication:J. Appl. Met., 20, 255-265
Abstract:during March, 1978 on a snow-covered field near Lee Vining, California, measuremens were made that includes 1) variations above the snow surface of the net
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Record ID:53/137

Date:08/15/1993
Subject:(53) Planetary/Atmospheric Boundary
Author:Hamba, F.
Title:A modified first-order model for scalar diffusion in the convective boundary layer
Publication:J. Atmos. Sci., 50, 2800-2810
Abstract:A modified first-order model is proposed for scalar diffusion in the convective boundary layer
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Record ID:53/138

Date:12/01/1987
Subject:(53) Planetary/Atmospheric Boundary
Author:Hanna, S.R.
Title:Reply
Publication:J. Clim. Appl. Met., 26, 1781
Abstract:None
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Record ID:53/139

Date:07/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Hechtel, M.L., C.H. Moeng, R.B. Stull
Title:The effects of nonhomogeneous surface fluxes on the convective boundary layer: A case study using large-eddy simulation
Publication:J. Atmos. Sci., 47, 1721-1741
Abstract:Most land surfaces are quasi-randomly nonhomogeneous, yet most boundary-layer studies assume homogeneous or simply varying surface conditions
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Record ID:53/140

Date:01/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Helfand, H.M., J.C. Labraga
Title:Design of a nonsingular Level 2.5 second-order closure model for the prediction of atmospheric turbulence
Publication:J. Atmos. Sci., 45, 113-132
Abstract:The model is modified for the case of growing turbulence to rectify some of its physical shortcomings for that case, and to remove the pathologies that prohibits its use in a general circulation model
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Record ID:53/141

Date:09/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Heilman, W., R. Dobosy
Title:A nocturnal atmospheric drainage flow simulation investigating the application of one-dimensional modeling and current turbulence schemes
Publication:J. Clim. Appl. Met., 24, 924-936
Abstract:We develop a one-dimensional boundary layer model to simulate nocturnal atmospheric drainage flow on a simple forest-covered slope using canopy, soil and radiation parameterizations from previous studies along
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Record ID:53/142

Date:08/01/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Heilman, W.E., E.S. Takle
Title:Numerical simulation of the nocturnal turbulence characteristics over Rattlesnake Mountain
Publication:J. Appl. Met., 30, 1106-1116
Abstract:A two-dimensional second-order turbulence closure model based on Mellor-Yamada level 3 is used to examine the oncturnal turbulence characteristics over Rattlesnake Mountain in Washington
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Record ID:53/143

Date:06/01/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Helfand, H.M., J.C. Labraga
Title:Reply
Publication:J. Atmos. Sci., 46, 1633-1635
Abstract:None
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Record ID:53/144

Date:06/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Hicks, B.B.
Title:Behavior of turbulence statistics in the convective boundary layer
Publication:J. Clim. Appl. Met., 24, 607-614
Abstract:Velocity variances in the convective boundary layer are examine using data derived in PBL experiments over land (Minnesota) and Ocean (the Coral Sea)
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Record ID:53/145

Date:01/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Hildebrand, P.H.
Title:Urban effects on the convective boundary layer
Publication:J. Atmos. Sci., 41, 76-91
Abstract:The influence of an urban area on the turbulent convective boundary layer is studied using an instrumented aircraft
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Record ID:53/146

Date:07/15/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Hill, R.J.
Title:Implications of Monin-Obukov similarity theory for scalar quantities
Publication:J. Atmos. Sci., 46, 2236-2244
Abstract:Monin-Obukhov similarity theory of surface-layer turbulence has been extended to include all scalar quantities
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Record ID:53/147

Date:08/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Hogstrom, U.
Title:Analysis of turblence structure in the surface layer with a modified similarity formulation for near neutral conditions
Publication:J. Atmos. Sci., 47, 1949-1972
Abstract:Data from a recent detailed surface layer experiment are critically examined in terms of the turbulent kinetic energy budget and the other second order
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Record ID:53/148

Date:07/15/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Holtslag, A.A.M., C.H. Moeng
Title:Eddy diffusivity and countergradient transport in the convective atmospheric boundary layer
Publication:J. Atmos. Sci., 48, 1690-1698
Abstract:To describe the heat and scalar fluxes in the convective boundary layer, we propose expressions for eddy diffusivities and countergradient terms
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Record ID:53/149

Date:06/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Holtslag, A.A.M., H.A.R. deBruin
Title:Applied modeling of the nighttime surface energy balance over land
Publication:J. Appl. Met., 27, 689-704
Abstract:In this paper a semiempirical scheme is proposed which relates the nocturnal surface fluxes of sensible heat.
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Record ID:53/150

Date:02/15/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Horst, T.W., J.C. Doran
Title:The turbulence structure of nocturnal slope flow
Publication:J. Atmos. Sci., 45, 605-616
Abstract:Measurements of the turbulence structure of nocturnal slope flow are used to este the hypothesis that slope flow turbulence is decoupled from the surface
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Record ID:53/151

Date:09/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Kahl, J.D., P.J. Samson
Title:Uncertainty in estimating boundary-layer transport duirng highly convective conditions
Publication:J. Appl. Met., 27, 1024-1035
Abstract:Routine and supplemental rawinsonde observations collected during the Preliminary Regional Experiment for Storm-Central (PRE-STROM) were analyzed to assess
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Record ID:53/152

Date:09/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Kamada, R.F.
Title:A fractal interfacial entrainment model for dry convective boundary layers. Part I: Model description
Publication:J. Atmos. Sci., 45, 2365-2374
Abstract:An entrainment model for the convective planetary boundary layer is presented
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Record ID:53/153

Date:09/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Kamada, R.F.
Title:A fractal interfactial entrainment model for day convective boundary layers. Part II: Discussion of model behavior and comparison with other models
Publication:J. Atmos. Sci., 45, 2375-2383
Abstract:Details of the fractal interfacial entrainment (FIE) model recently presented by Kamada are compared to those of previous models, water tank results, and atmospheric data from the Wangara experiment
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Record ID:53/154

Date:12/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Khalsa, S.J.S., G.K. Greenhut
Title:Conditional sampling of updrafts and downdrafts in the marine atmospheric boundary layer
Publication:J. Atmos. Sci., 42, 2550-2562
Abstract:The properties of updrafts and downdrafts in the lower third of the marine atmospheric boundary layer (MABL) over the central Pacific Ocean
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Record ID:53/155

Date:12/01/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Kraus, E.B., L.D. Leslie
Title:The interactive evolution of the oceanic and atmospheric boundary layers in the source regions of the trades
Publication:J. Atmos. Sci., 39, 2760-2772
Abstract:Subtropical stratus tends to form over relatively cold water; its presence then keeps the water cold.
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Record ID:53/156

Date:07/01/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Krishna, K.
Title:A two-layer first-order closure model for the study of the baroclinic atmospheric boundary layer
Publication:J. Atmos. Sci., 38, 1401-1417
Abstract:A steady-state two-layer model has been developed for the baroclinic boundary layer
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Record ID:53/157

Date:04/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Krishnamurti, T.N., V. Wong, H.L. Pan, R. Pasch, J. Molinari, P. Ardanuy
Title:A three-dimensional plentary boundary layer model for the Somali Jet
Publication:J. Atmos. Sci., 40, 894-908
Abstract:This paper is an extension of an earlier study on the planetary boundary layer dynamics of the low level monsoonal flow over the Arabian Sea
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Record ID:53/158

Date:02/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Lare, A., S. Nicholson
Title:A climatonomic description of the surface energy balance in the Central Sahel. Part I: Shortwave radiation
Publication:J. Appl. Met., 29, 123-137
Abstract:The climate of the West African Sahel is characterized by unusually long (multiyear) persistence of anomalously wet or dry condtions
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Record ID:53/159

Date:05/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:LeMone, M.A.
Title:Some observations of vertical velocity skewness in the convective planetary boundary layer
Publication:J. Atmos. Sci., 47, 1163-1169
Abstract:Previously published profiles of vertical velocity (w) skewness observed in the convective atmospheric boundary layer show deficits in the upper part of the layer
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Record ID:53/160

Date:11/01/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Lenschow, D.H., B.B. Stankov
Title:The rapid morning boundary-layer transition
Publication:J. Atmos. Sci., 36, 2108-2124
Abstract:Even slight terrain inhomogeneities can cause large hoirzontal variations in the clear, stably stratified, nocturnal boundary layer largely through cold air drainage
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Record ID:53/161

Date:6/15/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Lenschow, D.H., B.B. Stankov
Title:Length scales in the convective boundary layer.
Publication:J. Atmos. Sci., 43, 12, 1198-1209
Abstract:We calculated integral scales for horizontal and vertical velocity components, temperature, humidity and ozone concentration, as well as for their variances and covariances from aircraft measurements in the convective atmospheric boundary layer over both ocean and land surfaces.
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Record ID:53/162

Date:6/1/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Lenschow, D.H., J.C. Wyngaard, W.T. Pannell
Title:Mean-field and second-moment budgets in a baroclinic, convective boundary layer.
Publication:J. Atmos. Sci., 37, 1313-1326
Abstract:Terms in the budgets of turbulence kinetic energy, temperature and humidity variances, and temperature and humidity fluxes have been evaluated for a baroclinic, convective boundary layer using data obtained from the NCAR Electra aircraft during
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Record ID:53/163

Date:3/1/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Lilly, D.K.
Title:Stratified turbulence and the mesoscale variability of the atmosphere.
Publication:J. Atmos. Sci., 40, 749-761
Abstract:An analysis is made of Gage's proposal that the horizontal energy spectrum at mesoscale wavelengths is produced by upscale energy transfer through quasi-two-dimensional turbulence.
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Record ID:53/164

Date:1/1/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Mahrt, L., J.C. Andre, R.C. Heald
Title:On the depth of the nocturnal boundary layer.
Publication:J. Appl. Met., 21, 90-92
Abstract:The depth of the nocturnal boundary layer, modeled by diagnostic functions of surface fluxes, is only weakly related to 'observed' depths estimated from observed profiles of either wind or temperature as has been shown in previous studies.
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Record ID:53/165

Date:12/1/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Mahrt, L.
Title:Momentum balance of gravity flows.
Publication:J. Atmos. Sci., 39, 2701-2711
Abstract:A unified scale analysis of the momentum balance of downslope gravity flows is developed to organize previous theories for the case of negligible ambient flow and fixed temperature deficit scale.
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Record ID:53/166

Date:11/15/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Mahrt, L.
Title:Vertical structure and turbulence in the very stable boundary layer.
Publication:J. Atmos. Sci., 42, 2333-2349
Abstract:The structure of turbulence in a strongly stratified nocturnal boundary layer is studied using fact-response aircraft data collected under a clear sky conditions with weak ambient flow.
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Record ID:53/167

Date:1/1/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Mahrt, L., J. Paumier
Title:Heat transport in the atmospheric boundary layer.
Publication:J. Atmos. Sci., 41, 3061-3075
Abstract:The structure of turbulence and transport of heat is examined from data obtained from 11 aircraft soundings executed in heated boundary layers during the Air Mass Transformation Experiment.
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Record ID:53/168

Date:10/1/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Mailhot, J., R. Benoit
Title:A finite-element model of the atmospheric boundary layer suitable for use with numerical weather prediction models.
Publication:J. Atmos. Sci., 39, 2249-2266
Abstract:We give a detailed description of an atmospheric boundary layer model capable of simulating the diurnal cycles of wind, temperature and humidity.
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Record ID:53/169

Date:8/1/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Melfi, S.H., J.D. Spinhirne, S.-H. Chou, S.P. Palm
Title:Lidar observations of vertically organized convection in the planetary boundary layer over the ocean.
Publication:J. Clim. Appl. Met., 24, 806-821
Abstract:Observations of a convective planetary boundary layer were made with an airborne, downward-looking lidar system over the Atlantic Ocean during a cold air outbreak.
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Record ID:53/170

Date:10/1/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Melling, H., R. List
Title:Characteristics of vertical velocity fluctuations in a convective urban boundary layer.
Publication:J. Appl. Met., 19, 1184-1195
Abstract:Vertical air motions within the convective boundary layer over Toronto, Canada, have been observed using a monostatic Doppler echosonde.
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Record ID:53/171

Date:1/1/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Ming, Y.Z., D.H. Lenschow, B.B. Stankov, J.C. Kaimal, J.E. Gaynor
Title:Wave and turbulence structure in a shallow baroclinic convective boundary layer and overlying inversion.
Publication:J. Atmos. Sci., 42, 47-57
Abstract:Data from the Boulder Atmospheric Observatory (BAO) are used to investigate the wave and turbulence structure of the convective atmospheric mixed layer and the overlying inversion.
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Record ID:53/172

Date:7/1/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Moeng, C.-H.
Title:A large-eddy-simulation model for the study of planetary boundary-layer turbulence.
Publication:J. Atmos. Sci., 41, 13, 2052-2062
Abstract:A large eddy simulation model explicitly calculates the large eddy field and parameterizes the small eddies.
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Record ID:53/173

Date:04/01/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Moeng, C.-H., P.P. Sullivan
Title:A comparison of shear- and buoyancy-driven planetary boundary layer flows.
Publication:J. Atmos. Sci., 51, 999-1022
Abstract:Planetary boundary layer flows are known to exhibit fundamental differences depending on the relative combination of wind shear and buoyancy forces.
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Record ID:53/174

Date:1/1/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Moeng, C.-H., J. Wyngaard
Title:Statistics of conservative scalars in the convective boundary layer.
Publication:J. Atmos. Sci., 41, 3161-3169
Abstract:We represent the three-dimensional, time-dependent field of a passive, conservative scalar in the convective boundary layer as the sum of 'top-down' and 'bottom-up' components created by the scalar fluxes through the top and bottom, respectively.
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Record ID:53/175

Date:05/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Moeng, C.-H., R. Rotunno
Title:Vertical-velocity skewness in the buoyancy-driven boundary layer.
Publication:J. Atmos. Sci., 47, 1149-1162
Abstract:A number of puzzling features of the skewness of the vertical velocity field, Sw(z), are found in observations and large-eddy simulations of the buoyancy-driven planetary boundary layer.
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Record ID:53/176

Date:11/1/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Moeng, C.-H., J.C. Wyngaard
Title:An analysis of closures for pressure-scalar covariances in the convective boundary layer.
Publication:J. Atmos. Sci., 43, 2499-2513
Abstract:Perhaps the most commonly used closure in second-moment models of turbulence is Rotta's return-to-isotropy expression, which was originally developed to parameterize the pressure-velocity gradient correlation in the Reynolds stress conservation equations.
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Record ID:53/177

Date:7/1/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Moeng, C.-H., J. Wyngaard
Title:Reply.
Publication:J. Atmos. Sci., 45, 1973
Abstract:None
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Record ID:53/178

Date:10/1/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Moeng, C.-H., U. Schumann
Title:Composite structure of plumes in stratus-topped boundary layers.
Publication:J. Atmos. Sci., 48, 2280-2291
Abstract:Knowledge of convective plumes within the clear convective boundary layer is quite advanced owing to direct measurements, tank experiments, and large-eddy simulation studies.
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Record ID:53/179

Date:9/1/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Nelson, E., R. Stull, E. Eloranta
Title:A prognostic relationship for entrainment zone thickness.
Publication:J. Appl. Met., 28, 885-903
Abstract:The thickness of the entrainment zone at the top of the atmospheric mixed layer is analyzed using measurements made with a ground-based lidar during BLX83 and CIRCE field programs.
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Record ID:53/180

Date:2/1/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Nicholson, S., A. Lare
Title:A climatonomic description of the surface energy balance in the Central Sahel. Part II: The evapoclimatonomy submodel.
Publication:J. Appl. Met., 29, 138-146
Abstract:In Part I of this article we presented a study of the shortwave radiation budget in the West Africa Sahel, using Lettau's climatonomy model.
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Record ID:53/181

Date:1/1/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Nieuwstadt, F.T.M.
Title:The turbulent structure of the stable, nocturnal boundary layer.
Publication:J. Atmos. Sci., 41, 2202-2216
Abstract:A large number of turbulence observations were made under stable conditions along a meteorological mast at Cabauw, The Netherlands.
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Record ID:53/182

Date:1/1/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Nieuwstadt, F.T.M., A.G.M. Driedonks
Title:The nocturnal boundary layer: A case study compared with model calculations.
Publication:J. Appl. Met., 18, 11, 1397-1405
Abstract:A case study of nocturnal boundary layer development is presented. The data include observations of turbulence and of profiles of wind and temperature.
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Record ID:53/183

Date:1/1/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Nieuwstadt, F.T.M., H. Tennekes
Title:A rate equation for the nocturnal boundary-layer height.
Publication:J. Atmos. Sci., 38, 7, 1418-1428
Abstract:A rate equation is derived which describes the development of the boundary-layer height under stable conditions as a function of time.
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Record ID:53/184

Date:12/1/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Nieuwstadt, F.T.M.
Title:A rate equation for the inversion height in a nocturnal boundary layer.
Publication:J. Appl. Met., 19, 1445-1447
Abstract:The application of a self-similar profile in the intergration of the temperature equation across the stable boundary layer leads to a rate equation for the inversion height.
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Record ID:53/185

Date:9/1/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Rambaldi, S., D.A. Randall
Title:Quasi-Lagrangian models of nascent thermals.
Publication:Mon. Wea. Rev., 109, 1939-1951
Abstract:Thermals are modeled by considering their boundaries as self-advective vortex sheets.
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Record ID:53/186

Date:10/15/1992
Subject:(53) Planetary/Atmospheric Boundary
(32) General Circulation
Author:Randall, D.A., Q. Shao, C.H. Moeng
Title:A second-order bulk boundary layer model.
Publication:J. Atmos. Sci., 49, 1903-1923
Abstract:Bulk mass-flux models represent the large eddies that are primarily responsible for the turbulent fluxes in the planetary boundary layer as convective circulations, with an associated convective mass flux.
Location:3
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Record ID:53/187

Date:8/1/1993
Subject:(53) Planetary/Atmospheric Boundary
Author:Quintarelli, R.
Title:Acoustic sounder observations of atmospheric turbulence parameters in a convective boundary layer.
Publication:J. Appl. Met., 32, 8, 1433-1440
Abstract:Acoustic sounder observations of atmospheric turbulence parameters presented in this paper include estimates of the dissipation rate E.
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Record ID:53/188

Date:6/1/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Reinking, R.F., R.J. Doviak, R.O. Gilmer
Title:Clear-air roll vortices and turbulent motions as detected with an airborne gust probe and dual-Doppler radar.
Publication:J. Appl. Met., 20, 678-685
Abstract:A case study comparison is made of simultaneous airborne gust probe and dual-Doppler radar measurements of motions associated with roll vortices in the optically clear planetary boundary layer.
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Record ID:53/189

Date:7/1/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Rogers, D.P.
Title:The marine boundary layer in the vicinity of an ocean front.
Publication:J. Atmos. Sci., 46, 2044-2062
Abstract:Aircraft observations obtained during the Frontal Air-Sea Intraction Experiment (FASINEX) are used to investigate the structure of the marine atmospheric boundary layer in the vicinity of an ocean front.
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Record ID:53/190

Date:7/15/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Sawford, B.L.
Title:Comments on 'Transilient turbulence theory. Parts I and III.'
Publication:J. Atmos. Sci., 45, 2092-2093
Abstract:No abstract.
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Record ID:53/191

Date:1/1/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Schmitt, K.F., C.A. Friehe, C.H. Gibson
Title:Sturcture of marine boundary layer turbulence.
Publication:J. Atmos. Sci., 36, 602-618
Abstract:Measurements of turbulent wind velocity, humidity and temperature spectra for stable and unstable stratification in the atmospheric surface layer obtained during an experiment over the North Pacific Ocean are presented.
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Record ID:53/192

Date:1/1/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Seaman, N., F. Ludwig, E. Donall, R. Warner, C. Bhumralkar
Title:Numerical studies of urbran planetary boundary layer structure under realistic synoptic conditions.
Publication:J. Appl. Met., 28, 760-781
Abstract:PSU/NCAR mesoscale model was modified and used to simulate the evolution of meteorological conditions in the vacinity of St. Louis, Missouri, from near sunrise to noon on 25 July 1975.
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Record ID:53/193

Date:9/1/1993
Subject:(53) Planetary/Atmospheric Boundary
Author:Segal, M., G. Feingold
Title:Impact of local convective cloud systems on summer daytime shelter temperature.
Publication:J. Appl. Met., 32, 1569-1578
Abstract:The potential impact of daytime local summer convective cloud systems on shelter air temperature is illustrated by numerical modeling and observations.
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Record ID:53/194

Date:1/1/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Severini, M., M. Moriconi, G. Tonna, B. Olivieri
Title:Dewfall and evapotranspiration determination during day- and nighttime on an irrigated lawn.
Publication:J. Clin. Appl. Met., 23, 1241-1246
Abstract:Dewfall and evapotranspiration have been measured with a weighable lysimeter and computed through the energy balance equation, during day and nighttime.
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Record ID:53/195

Date:1/1/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Shaw, R.H., J. Tavangar, D.P. Ward
Title:Structure of the Reynolds stress in a canopy layer.
Publication:J. Clim. Appl. Met., 22, 11, 1922-1931
Abstract:The u, w velocity covariance above and within a plant canopy (Zea mays L.) was examined using the technique of quadrant analysis to separate the momentum transport into events classified as sweep, ejection, and outward and inward interactions.
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Record ID:53/196

Date:12/1/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Shaw, W.J., J.A. Businger
Title:Intermittency and the organization of turbulence in the near-neutral marine atmospheric boundary layer.
Publication:J. Atmos. Sci., 42, 2563-2584
Abstract:Aircraft data from the JASIN Experiment have been used to examine the role that intermittency plays in turbulent transfer in the near-neutral marine atmospheric boundary layer.
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Record ID:53/197

Date:6/1/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Sommers, W.T.
Title:Waves on a marine inversion undergoing mountain leeside wind shear.
Publication:J. Appl. Met., 20, 626-636
Abstract:Inland penetration of a shallow layer of marine air is a common occurrence along the coast of southern California. The marine air generally is confined to the coastal basin by surrounding mountains and a capping inversion.
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Record ID:53/198

Date:03/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Sorbjan, Z.
Title:Rossby-Number similarity in the atmospheric boundary layer over a slightly inclined terrain
Publication:J. Atmos. Sci., 40, 718-728
Abstract:The structure of the steady-state flow, homogeneous along an inclined, flat, underlying surface, is studied
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Record ID:53/199

Date:03/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Sorbjan, Z.
Title:Effects of baroclinicity on resistance laws for the atmospheric boundary layer over a slightly inclined terrain
Publication:J. Atmos. Sci., 40, 729-737
Abstract:The similarity theory of an atmospheric boundary layer over a slightly inclined terrain, discussed in an earlier paper (Sorbjan, 1983) is extended to the case of geostrophic wind varying with height
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Record ID:53/200

Date:06/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Sorbjan, Z.
Title:A model study of the stably stratified steady-state atmospheric boundary layer over a slightly inclined terrain
Publication:J. Atmos. Sci., 41, 1863-1874
Abstract:A simple, steady-state, numerical model is used to examine the Rossby-number similarity theory of the atmospheric
Location:2
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Record ID:53/201

Date:05/01/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Sroga, J.T., E.W. Eloranta, T. Barber
Title:Lidar measurement of wind velocity profiles in the boundary layer
Publication:J. Appl. Met., 19, 598-605
Abstract:A lidar technique for measuring wind in the atmospheric boundary is presented
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Record ID:53/202

Date:03/15/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Stensrud, D.J., H. Shirer
Title:Development of boundary layer rolls and dynamic instabilities
Publication:J. Atmos. Sci., 45, 1007-1019
Abstract:The development of atmospheric boundary layer rolls from the inflection point and parallel instabilities is examine analytically using several three-dimensional linear models
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Record ID:53/203

Date:01/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Stull, R.B.
Title:Integral scales for the nocturnal boundary layer. Part I: Empirical depth relationships
Publication:J. Clim. Appl. Met., 22, 673-686
Abstract:The stable-layer thickness h and near-surface potential temperature strength (delta theta sub s) of the nocturnal boundary layer (NBL) are shown to have
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Record ID:53/204

Date:11/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Stull, R.B.
Title:Integral scale for the nocturnal boundary layer. Part II: Heat budget, transport and energy implications
Publication:J. Clim. Appl. Met., 22, 1932-1941
Abstract:In Part I, external forcings such as pressure gradient, terrain roughness and imposed cooling were used to forecast the thickness and strength
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Record ID:53/205

Date:01/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Stull, R.B.
Title:Transilient turbulence theory. Part III: Bulk dispersion rate and numerical stability
Publication:J. Atmos. Sci., 43, 50-57
Abstract:Even though a continuun of mixing parameters gamma (t,z,zeta) is used to transilient rubulence theory to describe the effects of many superimposed eddy sizes
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Record ID:53/206

Date:07/15/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Stull, R.
Title:A reevaluation of two dispersion theories
Publication:J. Atmos. Sci., 45, 2082-2091
Abstract:Three of the atmospheric datasets that were originally used to verify statistical disperion theory are revevaluated.
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Record ID:53/207

Date:06/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Sugita, M., W. Brutsaert
Title:How similar are temperature and humidity profiles in the unstable boundary layer?
Publication:J. Appl. Met., 29, 489-497
Abstract:A comparison was made between temperature and humidity profiles obtained from radiosonde measurements under unstable conditions over hilly terrain
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Record ID:53/208

Date:07/01/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Sun, Wen-Yih, Y. Ogura
Title:Modeling the evolution of the convective planetary boundary layer
Publication:J. Atmos. Sci., 37, 1558-1572
Abstract:The level 3 trubulence closure model proposed by mellor and Yamada (1974) is modified 1) to incorporate the formulations for the
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Record ID:53/209

Date:07/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Sykes, R.I., D.S. Henn
Title:On the numerical computation of two-dimensional convective flow
Publication:J. Atmos. Sci., 45, 1961-1964
Abstract:Numerical calculations of two-dimensional convection between plat plates a high Rayleigh numbers are presented
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Record ID:53/210

Date:03/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Telford, J.W.
Title:A theoretical solution to the motion of an atmospheric spherical vortex
Publication:J. Atmos. Sci., 45, 789-802
Abstract:Several atmospheric phenomena have been studied in the past in which buoyant fluid convects upward as a compact 'blob' of cloudy or smoky air.
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Record ID:53/211

Date:09/01/1993
Subject:(53) Planetary/Atmospheric Boundary
Author:Thompson, W.T., S.D. Burk
Title:Postfrontal boundary-layer modification over the Western Gulf of Mexico during GUFMEX
Publication:J. Appl. Met., 32, 1521-1537
Abstract:Cold-frontal passages over the Gulf of mexico in late winter or early spring are frequently followed by return-flow episodes in which modified
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Record ID:53/212

Date:11/01/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Tjemkes, S.A., J. Reiff
Title:A parameterization scheme for the minimum surface temperature of a saturated vegetated clay soil
Publication:J. Appl. Sci., 28, 1244-1248
Abstract:Based on model calculations with a combined radiation-turbulence model, a simple relation to estimate the minimum surface temperature of a saturated
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Record ID:53/213

Date:06/01/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Vachat, R.J.D.
Title:Comments on 'Design of a nonsingular level 2.5 second order closure model for the prediction of atmospheric turbulence
Publication:Mon. Wea. Rev., 46, 1631-1632
Abstract:None
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Record ID:53/214

Date:08/01/1993
Subject:(53) Planetary/Atmospheric Boundary
Author:Vernekar, K.G., B. Nohan, S. Saxena, M.N. Patil
Title:Characteristics of the atmospheric boundary layer over a tropical station as evidence by tethered ballon observations
Publication:J. Appl. met., 32, 1426-1432
Abstract:A tethersonde observational program was conducted for eight days during February and march 1989 at Pune, India
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Record ID:53/215

Date:01/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Wang, S., B. Albrecht
Title:A mean-gradient model of the dry convective boundary layer
Publication:J. Atmos. Sci., 47, 126-138
Abstract:A mean-gradient model of the dry convective boundary layer is developed using a convective mass flux representation of the turbulent fluxes.
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Record ID:53/216

Date:02/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Warner, T., M. Lakhtakia, J. Doyle, R. Pearson
Title:Marine atmospheric boundary layer circulations forced by Gulf Stream sea surface temperature gradients
Publication:Mon. Wea. Rev., 118, 309-323
Abstract:The Penn State/NCAR mesoscale model is initialized with calm winds, a barotropic temperature pattern, and a uniform surface pressure in studies
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Record ID:53/217

Date:11/01/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Weber, A.H., J.S. Irwin, W.B. Peterson, J.J. Mathis, Jr., J.P. Kahler
Title:Spectral scale in the atmospheric boundary layer
Publication:J. Appl. Met., 21, 1622-1632
Abstract:Wind measurements from the Savannah River Laboratory-WJBF-TV tower in Beech Island, SC were used to compute turbulence
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Record ID:53/218

Date:08/01/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Weber, A.H., R.J. Kurzeja
Title:Nocturnal planetary boundary layer structure and turbulence episodes during the Project STABLE Field program
Publication:J. Appl. Met., 30, 1117-1133
Abstract:This paper summarizes the results of meteorological and dispersion measurements during Savannah River Laboratory's Project STABLE
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Record ID:53/219

Date:07/01/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Weinstock, J.
Title:A theory of gaps in the turbulence spectra of stably stratified shear flows
Publication:J. Atmos. Sci., 37, 1542-1549
Abstract:A gap and adjacent bump is predicted to occur in the velocity spectrum of stratified shear flows when the flux Richardson number
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Record ID:53/220

Date:01/01/1982
Subject:(53) Planetary/Atmospheric Boundary
Author:Wetzel, P.J.
Title:Toward parameterization of the stable boundary layer
Publication:J. Appl. Met., 21, 7-13
Abstract:The bulk Richardson number formula for the depth of the nocturnal boundary layer (NBL) is compared to the Wangara observational data
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Record ID:53/221

Date:01/01/1987
Subject:(53) Planetary/Atmospheric Boundary
Author:Wetzel, P.M., J.T. Chang
Title:Concerning the relationship between evapotranspiration and soil moisture
Publication:J. Clim. Appl. Met., 26, 18-27
Abstract:Evapotranspiration observations have traditionally been scaled by potential evapotranspiration as a means of unifying the soil
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Record ID:53/222

Date:12/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Wilczak, J.M.
Title:Large-scale eddies in the unstably stratified atmospheric surface layer. Part I: Velocity and temperature structure
Publication:J. Atmos. Sci., 41, 3537-3550
Abstract:Ensemble vertical cross sections are derived for the velocity and temperature fields associated with large-scale eddy (LSE) temperature ramp structures in the turbulenct
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Record ID:53/223

Date:12/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Wilczak, J.M., J.A. Businger
Title:Large-scale eddies in the unstable stratified atmospheric surface layer. Part II: Turbulent pressure fluctuations and the budgets of heat flux, stress, and turbulent kinetic energy
Publication:J. Atmos. Sci., 41, 3551-3567
Abstract:A method is developed for retrieving turbulent pressure fluctuations from tower measurements of velocity and temperature,
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Record ID:53/224

Date:11/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Wilczak, J.M., M.S. Phillips
Title:An indirect estimation of convective boundary layer structure for use in pollution dispersion models
Publication:J. Clim. Appl. Met., 25, 1609-1624
Abstract:Dispersion models of the convectively driven atmospheric boundary layer (ABL) often require as input meteorological parameters that are not routinely measured
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Record ID:53/225

Date:11/01/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Wilczak, J.M., J.E. Tillman
Title:The three-dimensional structure of convection in the atmospheric surface layer
Publication:J. Atmos. Sci., 37, 2424-2443
Abstract:During April 1978, a field experiment was undertaken at the Boulder Atmospheric Observatory (BAO), near Boulder, Colorado, to investigate convective plumes
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Record ID:53/226

Date:06/15/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Wyngaard, J.C.
Title:Toward convective boundary layer parameterization: A scalar transport module
Publication:J. Atmos. Sci., 41, 1959-1969
Abstract:Recent results from large-eddy simulations indicate that the eddy diffusivity for scalar diffusion through the top of a convective boundary layer
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Record ID:53/227

Date:11/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Wyngaard, J.C.
Title:Structure of the planetary boundary layer and implications for its modeling
Publication:J. Clim. Appl. Met., 24, 1131-1142
Abstract:Through the innovative use of laboratory experiments, numerical simulations, and direct measurements, researchers have greatly extended our knowledge of planetary boundary layer (PBL)
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Record ID:53/228

Date:01/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Wyngaard, J.C., R.A. Brost
Title:Top-down and bottom-up diffusion of a scalar in the convective boundary layer
Publication:J. Atmos. Sci., 41, 102-112
Abstract:The vertical diffusion of a passive, conservative scalar through the convective PBL is actually the superposition of what we call 'top-down' and 'bottom-up' processes
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Record ID:53/229

Date:11/01/1993
Subject:(53) Planetary/Atmospheric Boundary
Author:Xu, M., T. Gal-Chen
Title:A study of the convective boundary-layer dynamics using single Doppler radar measurements
Publication:J. Atmos. Sci., 50, 3641-3662
Abstract:The kinematic and dynamical properties of the convective planetary boundary layer (CBL) with shear are studies using single Doppler radar measurements.
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Record ID:53/230

Date:05/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Yamada, T., S. Bunker
Title:Development of a nested grid, second moment turbulence closure model and application to the 1982 ASCOT Brush Creek data simulation
Publication:J. Appl. Met., 27, 562-578
Abstract:An improved, second-moment turbulence-closure model and a random particle kernel diffusion model are described and tested with the 1982 ASCOT data collected in Brush Creek, CO
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Record ID:53/231

Date:04/01/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Yamada, T.
Title:Prediction of the nocturnal surface inversion height
Publication:J. Appl. Met., 18, 526-531
Abstract:A simple prognostic equation for predicting the development of the nocturnal surface inversion height is constructed from the thermal energy equation
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Record ID:53/232

Date:01/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Yamada, T.
Title:Simulations of nocturnal drainage flows by a q^2l turbulence closure model
Publication:J. Atmos. Sci., 40, 91-106
Abstract:Nocturnal drainage flows observed over a nearly two-dimensional ridge called Rattlesnake Hills near Richland, WA are simulated
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Record ID:53/233

Date:12/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Yamada, T., C.Y.J. Kao
Title:A modeling study on the fair weather marine boundary layer of the GATE
Publication:J. Atmos. Sci., 43, 3186-3199
Abstract:A three-dimensional ensemble-mean mesoscale atmospheric model, with simplified second-moment turbulence closure equations and a stratistical treatment for the condensation process, is used to simulate
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Record ID:53/234

Date:02/01/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Yanai, M., C. Li
Title:Mechanism of heating and the boundary layer over the Tibetan Plateau
Publication:Mon. Wea. Rev., 122, 305-323
Abstract:The structure of the boundary layer and the mechanism of heating over the Tibetan Plateau are examined using the data obtained from the First GARP
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Record ID:53/235

Date:02/15/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Young, G.S.
Title:Turbulence structure of the convective boundary layer. Part I: Variability of normalied
Publication:J. Atmos. Sci., 45, 719-726
Abstract:Profiles of turbulence statistics from aircraft observations of the Phoenix 78 convective boundary layer epxeriment are compared with those from previous observational and modeling studies
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Record ID:53/236

Date:02/15/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Young, G.S.
Title:Turbulence structure of the convective boundary layer. Part II: Phoenix 78 aircraft observations of thermal and their environment
Publication:J. Atmos. Sci., 45, 727-735
Abstract:A conditional sampling technique based upon the mixed layer spectra of verticla velocity and temperature is developed.
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Record ID:53/237

Date:07/15/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Young, G.S.
Title:Turbulence structure of the convective boundary layer. Part III: The vertical velocity budgets of thermals and their environment
Publication:J. Atmos. Sci., 45, 2039-2049
Abstract:The dynamics of thermal updrafts and compensating environmental downdrafts in the convective boundary layer are examined using observations from the Phoenix 78 field experiment
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Record ID:53/238

Date:05/01/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Zeman, O.
Title:Parameterization of the dynamics of stable boundary layers and nocturnal jets
Publication:J. Atmos. Sci., 36, 792-804
Abstract:In this paper a slab model for horizontally homogeneous, stable boundary layers is developed, where variations in mean quantities at the boundary-layer top and in mean shear are accounted for
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Record ID:53/239

Date:12/01/1992
Subject:(53) Planetary/Atmospheric Boundary
Author:Zhang, Q., R. Stull
Title:Alternative nonlocal descriptions of boundary-layer evolution
Publication:J. Atmos. Sci., 49, 2267-2281
Abstract:Two alternative parameterizations for nonlocal trubulence mixing are tested in a 1-D boundary-layer model against a dataset from the 1983 Boundary-Layer Experiment
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Record ID:53/240

Date:11/01/1996
Subject:(53) Planetary/Atmospheric Boundary
Author:Zhang, Changan, D.A. Randall, C.H. Moeng, M. Branson, K.A. Moyer, Q. Wang
Title:A surface flux parameterization based on the vertically averaged turbulence kinetic energy
Publication:Mon. Wea. Rev., 124, 2521-2536
Abstract:A new bulk transfer formulation for the surface turbulent fluxes of momentum, heat, and moisture has been developed by using the square root of the
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Record ID:53/241

Date:4/1/1997
Subject:(53) Planetary/Atmospheric Boundary
Author:Weckwerth, T.M., J.W. Wislon, R.M. Wakimoto, N.A. Crook
Title:Horizontal convective rolls: determining the environmental conditions supporting their existence and characteristics.
Publication:Mon. Wea. Rev., 125, 4, 505-526
Abstract:Data from the CaPE project, as well as results from numerical simulations, are used to study horizontal convective rolls.
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Record ID:53/242

Date:4/1/1997
Subject:(53) Planetary/Atmospheric Boundary
Author:Grachev, A.A., C.W. Fairall
Title:Dependence on the Monin-Obukhov stability parameter on the bulk Richardson number over the ocean.
Publication:J. Appl. Met., 36, 4, 406-414
Abstract:Recent measurements made onboard the R/P FLIP in the San Clamente Ocean Probing Experiment in September 1993 and onboard the R/V Moana Wave during TOGA COARE are used to evaluate the direct dependence between
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Record ID:53/243

Date:10/01/1978
Subject:(53) Planetary/Atmospheric Boundary
Author:Plumb, R.A., A.D. McEwan
Title:The instability of a forced standing wave in a viscous stratified fluid: A laboratory analogue of the quasi-biennial oscillation.
Publication:J. Atmos. Sci., 35, 1827-1839
Abstract:An experiment is described in which a standing internal wave is forced at the lower boundary of an annulus of salt-stratified water.
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Record ID:53/244

Date:01/01/1985
Subject:(53) Planetary/Atmospheric Boundary
(19) Cumulus
Author:Yuen, C-W.
Title:Dynamical modeling of flow in cumulus-filled boundary layers
Publication:J. Atmos. Sci., 42, 113-134
Abstract:A primitive equation planetary boundary layer (PBL) model is constructed and applied to simulate the downwind evolution of coupled dynamic, thermodynamic and cloud properties in the PBL over warmer ocean. A multilayered approach is adopted to model the i nversion-capped convective PBL filled with shallow cumuli, stratocumulus clouds, or cloud-free air
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Record ID:53/245

Date:00/00/1995
Subject:(53) Planetary/Atmospheric Boundary
(41) Mesoscale Meteorology
Author:Silva Dias, M.A.F., P.L. Vidale, C.M.R. Blanco
Title:Case study and numerical simulation of the summer regional circulation in Sao Paulo, Brazil
Publication:Bound.-Layer Meteor., 74, 371-388
Abstract:The three-dimensional mesoscale circulation in the vicinity of the city of Sao Paulo is examined through model simulations validated by observational data obtained during a field experiment. The complex terrain surrounding the plateau where the city is l ocated, plus proximity to the sea, represent the local controls on the wind field with implications for boundary-layer transport of atmospheric constituents.
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Record ID:53/246

Date:01/01/1997
Subject:(53) Planetary/Atmospheric Boundary
(41) Mesoscale Meteorology
Author:Sang, J., A. Xie, B. Zhang
Title:Three-dimensional internal gravity waves and initiation of convective cloud streets.
Publication:Chin. J. of Atmos. Sci., 21, 1, 19-30
Abstract:By using a two-layer model the linear atmospheric system of equations is analytically solved to study the disturbed flow fields induced by an isolated hill.
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Record ID:53/247

Date:03/01/1993
Subject:(53) Planetary/Atmospheric Boundary
Author:Browning, K.A., the GEWEX Cloud System Science Team
Title:The GEWEX Cloud System Study (GCSS)
Publication:B.A.M.S., 74, 387-399
Abstract:The World Climate Research Programme's Global Energy and Water Cycle Experiment (GEWEX) addresses botht he hydrological and meteorological components of the water cycle. One of the biggest challenges in GEWEX is to improve the understanding of how the wi de range of processes within clouds affects the atmosphere on the large scale and, thereby to develop ways of parameterizing these processes within climate and NWP models.
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Record ID:53/248

Date:01/01/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Benoit, R., J. Cote, J. Mailhot
Title:Inclusion of a TKE boundary layer parameterizaiton in the Canadian Regional Finite-Element model.
Publication:Mon. Wea. Rev., 117, 1726-1750
Abstract:The formulation of the regional model recently implemented by the Atmospheric Environment Service of Canada for its operational 48 h NWP forecases is presented.
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Record ID:53/249

Date:10/01/1987
Subject:(53) Planetary/Atmospheric Boundary
Author:Crum, T.D., R.B. Stull
Title:Field measurements of the amount of surface layer air versus height in the entrainment zone
Publication:J. Atmos. Sci., 44, 2743-2753
Abstract:The structure of the atmospheric entrainment zone, an interfacial layer between the convective boundary layer and the stable air aloft, is studied using coincident high resolution aircraft and lidar observations obtained
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Record ID:53/250

Date:01/01/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Dalu, G.A., M. Baldi, R.A. Pielke, J.T. Lee, M. Colacino
Title:Mesoscale vertical velocities generated by stress changes in the boundary layer: linear theory
Publication:Ann. Geophysicao, 9, 648-653
Abstract:We evaluate the mesoscale vertical velocity induced by stress changes in the surface layer as a function of the size of the rough patch in relation to environmental parameters
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Record ID:53/251

Date:05/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Enger, L.
Title:A higher order closure model applied to disperson in a convective PBL
Publication:Atmos. Env., 20, 879-894
Abstract:A two-dimensional higher order closure dispersion model is presented
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Record ID:53/252

Date:01/01/1993
Subject:(53) Planetary/Atmospheric Boundary
Author:Etling, D., R.A. Brown
Title:Roll vortices in the planetary boundary layer: A review
Publication:Boundary-Layer Meteor., 65, 215-248
Abstract:Roll vortices may be loosely defined as quasi two-dimensional organized large eddies with their horitzontal axis extending through the whole planetary boundary layer (PBL).
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Record ID:53/253

Date:11/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Finger, J.E., H. Schmidt
Title:On the efficiency of different higher order turbulence models simulating the convective boundary layer
Publication:Beitr. Phys. Atmosph., 59, 505-517
Abstract:The output of a laboratory convection experiment is taken as a measure for one-dimensional numerical simulations with the aid of two different statistical turbulence models
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Record ID:53/254

Date:07/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Glendening, J.W.
Title:A mixed-layer simulation of daytime boundary-layer variations within the Los Angeles Basin
Publication:Mon. Wea. Rev., 118, 1531-1550
Abstract:The ability of an idealized mixed-layer model to predict mesoscale variations in boundary-layer (BL) properties is tested by simulating a case-study day in the Los Angeles Basin, a day typical of their summertime fair weather conditions
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Record ID:53/255

Date:12/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Glendening, J.W., B.L. Ulrickson, J.A. Businger
Title:Mesoscale variability of boundary layer properties in the Los Angeles basin
Publication:Mon. Wea. Rev., 114, 2537-2549
Abstract:We employ daytime radiosonde data to analyze boundary layer (BL) variability within the Los Angeles Basin for a case study day
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Record ID:53/256

Date:01/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Grant, A.L.M., P.J. Mason
Title:Observations of boundary-layer structure over complex terrain
Publication:Q.J.R. Meteorol. Soc., 116, 159-186
Abstract:Turbulence data collected in an area of complex terrain using a number of instrument packages attached to the tether cable of a captive balloon are presented.
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Record ID:53/257

Date:01/01/1992
Subject:(53) Planetary/Atmospheric Boundary
Author:Hasse, L.
Title:On the contribution of spray droplets to evaporation
Publication:Boundary-layer Meteor., 61, 309-313
Abstract:The effect of spray droplets in the marine surface layer on evaporation is considered.
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Record ID:53/258

Date:07/15/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Hechtel, L.M., C.H. Moeng, R.B. Stull
Title:The effects of nonhomogeneous surface fluxes on the convective boundary layer: A case study using large-eddy simulation
Publication:J. Atmos. Sci., 47, 1721-1741
Abstract:Most lang surfaces are quasi-randomly nonhomogeneous, yet most boundary-layer studies assume homogeneous or simply varying surface conditions
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Record ID:53/259

Date:11/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Heimann, D.
Title:Estimation of regional surface layer wind field characteristics using a three-layer mesoscale model
Publication:Beitr. Phys. Atmosph., 59, 518-537
Abstract:A hydrostatic three-layer mesoscale model is used to determine the annual frequency distribution of the surface layer winds over the whole area of the orographically structure mesoscale-beta region around Frankfurt
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Record ID:53/260

Date:01/01/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Kerstein, A.R.
Title:Linear-eddy modelling of turbulent transport. Part 6. Microstructure of diffusive scalar mixing fields
Publication:J. Fluid Mech., 231, 361-394
Abstract:The linear-eddy approach for modelling molecular mixing in turbulent flow involves stochastic simulation of a one-dimensional domain with sufficient resolution to include all physically relevant lengthscales.
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Record ID:53/261

Date:01/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Kerstein, A.R.
Title:A linear-eddy model of turbulent scalar transport and mixing
Publication:Combust. Sci. Tech., 60, 391-421
Abstract:Transport and mixing of diffusive scalars in turbulent flows are simulated computationally based on a novel representation of the temporal evolution along a transverse line moving with the mean fluid velocity.
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Record ID:53/262

Date:01/01/1993
Subject:(53) Planetary/Atmospheric Boundary
Author:Lepparanta, M.
Title:A review of analytical models of sea-ice growth
Publication:Atmosphere-Ocean, 31, 123-138
Abstract:The modelling of sea-ice growth is a classical problem in geophysics, which has been traditionally treated as one-dimensional, condisering only the vertical heat transfer.
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Record ID:53/263

Date:04/01/1987
Subject:(53) Planetary/Atmospheric Boundary
(39) Large Eddy Simulation
Author:Mason, P.J., D.J. Thomson
Title:Large-eddy simulations of the neutral-static-stablity planetary boundary layer
Publication:Q. J. R. Meteorol. Soc., 113, 413-443
Abstract:A series of large-eddy simulations of the neutral-static-stability planetary boundary layer has been conducted
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Record ID:53/264

Date:12/01/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Ohmoto, R., H. Ueda, K. Kikuchi
Title:Structures of planetary boundary layers observed by a Doppler sodar in a cold season at Sapporo, Japan
Publication:Environ. Sci., Hokkaido U., 12, 155-167
Abstract:Observations of planetary boundary layers in Sappora city in a winter monsoon season were carried out from December 1987 to February 1988 with a Doppler sodar
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Record ID:53/265

Date:01/01/1989
Subject:(53) Planetary/Atmospheric Boundary
Author:Physick, W.L., D.J. Abbs, R.A. Pielke
Title:Formulation of the thermal internal boundary layer in a mesoscale model
Publication:Boundary-Layer Meteor., 49, 99-111
Abstract:Mesoscale models using a non-local K-scheme for parameterization of boundary-layer processes require an estimate of the planetary boundary layer (PBL) heigh z_i at all times
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Record ID:53/266

Date:01/01/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Pielke, R.A., T.J. Lee
Title:Influence of sea spray and rainfall on the surface wind profile during conditions of strong winds
Publication:Boundary-layer Meteor., 55, 305-308
Abstract:None
Location:3
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Record ID:53/267

Date:01/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Randall, D.A., Q. Shao
Title:Formulation of a bulk boundary layer model with particla mixing and cloudiness
Publication:Atmos. Sci. Paper No. 460, Colorado State University, Dept. of Atmospheric Science, Fort Collins, CO 80523
Abstract:The classical cloud-topped mixed-layer model is generalized to allow for arbitrary fractional cloudiness and incomplete mixing
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Record ID:53/268

Date:01/01/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Schneider, J.M.
Title:Dual Doppler measurement of a sheared, convective boundary layer
Publication:Ph.D. dissertation, The University of Oklahoma, Norman, OK
Abstract:The Phoenix II experiment was conducted in the spring of 1984 on the high plains of eastern Colorado, using dual Doppler radar as the primary observing tool in a study of the convective planetary boundary layer
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Record ID:53/269

Date:04/01/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Stull, R.B.
Title:A comparison of parameterized vs. measured transilient mixing coefficients for a convective mixed layer
Publication:Boundary-layer Meteor., 55, 67-90
Abstract:The parameterization for transilient turbulence coefficients suggested by Stull and Driedonks (SD, 1987) is tested against the large-eddy simulations (LES) of Ebert et al. (ESS 1989)
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Record ID:53/270

Date:06/08/1993
Subject:(53) Planetary/Atmospheric Boundary
Author:Stull, R.B.
Title:Boundary-layer cumulus over land: Some observations and conceptual models
Publication:ECMWF Workshop on Boundary-Layer Clouds, Reading, England, 8-11 June 1993
Abstract:None
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Record ID:53/271

Date:05/01/1993
Subject:(53) Planetary/Atmospheric Boundary
Author:Sun, W.Y.
Title:Numerical simulation of a planetary boundary layer: Part II. Cloudy case
Publication:Beitr. Phys. Atmosph., 66, 17-29
Abstract:Numerical simulations of a cloudy convective boundary layer (CBL) over land using a one-dimensional ensemble average model are presented
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Record ID:53/272

Date:1/15/1998
Subject:(53) Planetary/Atmospheric Boundary
Author:Cuijpers, J.W.M., A.A.M. Holtslag
Title:Impact of skewness and nonlocal effects on scalar and buoyancy fluxes in convective boundary layers.
Publication:J. Atmos. Sci., 55, 2, 151-162
Abstract:Large-eddy simulation results of three prototype convective boundary layers are used to study flux budgets and to test simple expressions for scalar and buoyancy fluxes.
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Record ID:53/273

Date:01/01/1992
Subject:(53) Planetary/Atmospheric Boundary
Author:Weimei, J., W. Xiaoming, Z. Jingnan
Title:A higher order closure model applied to research on the structure of the thermal internal boundary layer (TIBL)
Publication:Boundary-layer Meteor., 61, 301-307
Abstract:The coastal TIBL is one of the most important and interesting atmospheric processes in shoreline areas, because it has some distinct turbulent features and because it has a major influence on
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Record ID:53/274

Date:9/1/1993
Subject:(53) Planetary/Atmospheric Boundary
(49) Mountain Meteorology
Author:Kimura, F., T. Kuwagata
Title:Thermally induced wind passing from plain to basin over a mountain range.
Publication:J. Appl. Met., 32, 9, 1538-1547
Abstract:A new concept of a thermally induced local circulation is presented by numerical and observational studies. This wind system transports a low-level air mass from a plain to a basin, passing over a mountain ridge.
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Record ID:53/275

Date:11/01/1985
Subject:(53) Planetary/Atmospheric Boundary
(69) Transport And Diffusion
Author:Briggs, G.A.
Title:Analytical parameterizations of diffusion: The convective boundary layer
Publication:J. Clim. Appl. Met., 24, 1167-1186
Abstract:A brief review is made of data bases which have been used for developing diffusion parameterizations for the convective boundary layer (CBL)
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Record ID:53/276

Date:01/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Carlson, J.D., M.R. Foster
Title:Numerical study of some neutrally and unstably stratified boundary-layer flows over a valley at small Richardson number
Publication:Tellus, 38A, 60-75
Abstract:A two-dimensional numerical model is utilized to investigate steady-state, three-dimensional turbulent flow over a valley under neutral and unstable thermal stratifications.
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Record ID:53/277

Date:01/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Cunning, J.B., M. DeMaria
Title:An investigation of the development of cumulonimbus systems over South Florida. Part I: Boundary layer interactions
Publication:Mon. Wea. Rev., 114, 5-24
Abstract:This paper investigates the interactions between two developing cumulonimbus systems and the boundary layer (surface winds, pressure, divergence and temperature fields) on a case study day, 25 August 1975.
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Record ID:53/278

Date:01/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Cunning, J.B., H.W. Poor, M. DeMaria
Title:An investigation of the development of cumulonimbus systems over South Florida. Part II: In-cloud structure
Publication:Mon. Wea. Rev., 114, 25-39
Abstract:The in-cloud structure of radar reflectivity and vertical velocity from Doppler radar measurements are described for two cumulonimbus systems that developed over the FACE-1975 surface mesonetwork area on a case study day, 25 August 1975.
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Record ID:53/279

Date:01/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Deardorff, J.W., G.E. Willis
Title:Further results from a laboratory model of the convective planetary boundary layer
Publication:Boundary-layer Meteor., 32, 205-236
Abstract:The turbulence in a laboratory convective mixed layer is probed more extensively than in the preliminary study of Willis and Deardorff (1974), and results presented
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Record ID:53/280

Date:01/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:DeBaas, A.F., H. VanDop, F.T.M. Nieuwstadt
Title:An application of the Langevin equation for inhomogeneous conditions to dispersion in a convective boundary layer
Publication:Quart. J. R. Met. Soc., 112, 165-180
Abstract:Dispersion in one dimension is simulated by the Langevin equation dW = -(W/T_L)dt+du, where W is the velocity of the particle
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Record ID:53/281

Date:10/15/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Gossard, E.E., J.E. Gaynor, R.J. Zamora, W.D. Neff
Title:Finestructure of elevated stable layers observed by sounder and in situ tower sensors
Publication:J. Atmos. Sci., 42, 2156-2169
Abstract:A study of the finestructure within elevated stable atmospheric layers is described.
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Record ID:53/282

Date:02/01/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Kimura, F., T. Kuwagata
Title:Horizontal heat fluxes over complex terrain computed using a simple mixed-layer model and a numerical model
Publication:J. Appl. Met., 34, 549-558
Abstract:The thermally induced local circulation over a periodic valley is simulated by a two-dimensional numerical model that does not include condensational processes
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Record ID:53/283

Date:01/01/1985
Subject:(53) Planetary/Atmospheric Boundary
(21) Cumulus Dynamics
Author:Mason, P.J.
Title:A numerical study of cloud streets in the planetary boundary layer
Publication:Boundary-layer Meteor., 32, 281-304
Abstract:A two-dimensional numerical model is used to study the influence of small non-precipitating clouds on horizontal roll vortices in the planetary boundary layer
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Record ID:53/284

Date:01/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Segal, M., Y. Mahrer, R.A. Pielke, Y. Ookouchi
Title:Modeling transpiration patterns of vegetation along south and north facing slopes during the subtropical dry season
Publication:Agric. For. Meteorol., 36, 19-28
Abstract:The relationship between the inclination of south and north facing slopes, and the transpiration from vegetation is evaluated using numerical models for the dry season of the subtropical region of Israel
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Record ID:53/285

Date:08/01/1985
Subject:(53) Planetary/Atmospheric Boundary
Author:Yamada, N.
Title:Model for the pressure terms in the equations for second-order turbulence moment, and its application to the atmospheric surface layer
Publication:J. Met. Soc. Japan, 63, 695-701
Abstract:None
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Record ID:53/286

Date:09/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Young, G.S.
Title:The dynamics of thermals and their contribution of mixed layer processes
Publication:Atmospheric Science Paper No. 402, Colorado State University, Dept. of Atmospheric Science, Fort Collins, CO 80523
Abstract:The dynamics of thermal updrafts and compensating environmental downdrafts int he convective boundary layer are examined using observational from the Phoenix 78 field experiment.
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Record ID:53/287

Date:04/01/1985
Subject:(53) Planetary/Atmospheric Boundary
(66) Stratiform/Stratocu Clouds
(12) Climate
Author:Randall, D.A., J.A. Abeles, T.G. Corsetti
Title:Seasonal simulations of the planetary boundary layer and boundary-layer stratocumulus clouds with a general circulation model
Publication:J. Atmos. Sci., 42, 641-676
Abstract:The UCLA general circulation model (GCM) has been used to simulate the seasonally varying planetary boundary layer (PBL), as well as boundary-layer stratus and stratocumulus clouds.
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Record ID:53/288

Date:10/01/1986
Subject:(53) Planetary/Atmospheric Boundary
(69) Transport And Diffusion
Author:Hanna, S.R.
Title:Lateral dispersion from tall stacks
Publication:J. Clim. Appl. Met., 25, 1426-1433
Abstract:Hourly ground-level concentrations of SF_6 at downwind distances ranging from 0.5 to 50 km were observed by the Electric Power Research Institute (EPRI)
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Record ID:53/289

Date:04/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Emmitt, G.D.
Title:NASA/MSFC Ground-based Doppler Lidear nocturnal boundary layer expeirment (NOBLEX)
Publication:NASA Contractor Report 3778, Marshall Space Flight Center, Huntsville, AL
Abstract:None
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Record ID:53/290

Date:01/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Grandin, G.
Title:Studies of the PBL with a one-dimensional model including surface energy balance
Publication:Report No. 78, Meteorologiska Inst. Univ. of Uppsala, Uppsala Sweden
Abstract:In a study of Grandin (1983) a sub-grid condensation scheme and a radiation scheme were introduced in a one-dimensional second-order-closure PBL-model developed by Enger (1983).
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Record ID:53/291

Date:03/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Taylor, P.A., R.E. Mickle, J.R. Salmon, H.W. Teunissen
Title:The Kettles Hill experiment -- site description and mean flow results
Publication:Report AQRB-83-0002-L, Atmospheric Environment Service, Boundary Layer Division, Downsview, Canada
Abstract:None
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Record ID:53/292

Date:06/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Walmsley, J.L.
Title:Modelling of boundary-layer wind flow above complex terrain: A review
Publication:Report: AQRB-83-005-L, Atmospheric Environment Service, Boundary layer Reserch Division, Downsview, Canada
Abstract:A review is presented of models of wind flow in the surface and planetary boundary layer above complex terrain
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Record ID:53/293

Date:12/01/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Bader, D.C., T.B. McKee
Title:Simulation of the daytime boundary layer evolution in deep mountain valleys
Publication:Atmospheric Science Paper No. 344, Colorado State University, Dept. of Atmospheric Science, Fort Collins, CO 80523
Abstract:A dry, two-dimensional version of the Colorado State University Multi-dimensional Cloud/Mesoscale Model was used to simulate the cross-valley dynamic and thermodynamic structure in deep mountain valleys during the
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Record ID:53/294

Date:01/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Betts, A.K., R.L. Desjardins, J.I. Macpherson, R.D. Kelley
Title:Boundary-layer heat and moisture budgets from FIFE
Publication:Boundary-Layer Meteorol., 50, 109-137
Abstract:Aircraft stacks were flown upwind and downwind of the First ISLSCP Field Experiment (FIFE) site in Kansas to measure the heat and moisture budgets of the boundary layer under fairly clear skies for four daytime periods
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Record ID:53/295

Date:02/11/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Brost, R.A., J.A. Young
Title:The air mass modification in the planetary boundary layer: Part I: A higher order turbulence model. Part II: Numerical simulaiton of transformation across Lake Michigan
Publication:Dept. of Meteorology, U. Of Wisconsin-Madison, Madison, WI 53706
Abstract:None
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Record ID:53/296

Date:01/30/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Davidson, K.L., V.R. Noonkester
Title:Observations of the occurrence of encroachment within the marine atmospheric boundary layer (CEWCOM-76)
Publication:Preprints, Second Conference on Coastal Meteorology, January 30- Feb. 1, 1980, Los Angeles, CA, AMS, Boston, MA.
Abstract:None
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Record ID:53/297

Date:01/30/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Davidson, K.L., G.E. Schacher, C.W. Fairfall, T.M. Houlihan
Title:Observations of atmospheric mixed-layer changes off the California coast (CEWCOM-76)
Publication:Preprints, Second Conference on Coastal Meteorology, January 30- Feb. 1, 1980, Los Angeles, CA, AMS, Boston, MA.
Abstract:None
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Record ID:53/298

Date:01/01/1990
Subject:(53) Planetary/Atmospheric Boundary
Author:Omstedt, A.
Title:A coupled one-dimensional sea ice-ocean model applied to a semi-enclosed basin
Publication:Tellus, 42A, 568-582
Abstract:The objectives of the present study are to formulate and explore a coupled sea ice-ocean model for semi-enclosed basins
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Record ID:53/299

Date:12/01/1978
Subject:(53) Planetary/Atmospheric Boundary
Author:Wetzel, P.J.
Title:A detailed parameterization of the atmospheric boundary layer
Publication:Atmospheric Science Paper No. 302, Colorado State University, Dept. of Atmospheric Science, Fort Collins, CO 80523
Abstract:A one-dimensional parameterized model of the planetary boundary layer (PBL) is developed and tested.
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Record ID:53/300

Date:3/1/1998
Subject:(53) Planetary/Atmospheric Boundary
Author:Beyrich, F., S.-E., Gryning
Title:Estimation of the entrainment zone depth in a shallow convective boundary layer from sodar data.
Publication:J. Appl. Met., 37, 255-268
Abstract:This paper describes several methods for estimating the depth of the entrainment zone at the top of the daytime convective boundary layer from sodar data.
Location:Citation Only, Full Text Not In Library
Record ID:53/301

Date:01/01/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Artaz, M.A., J.C. Andre
Title:Similarity studies of entrainment in convective mixed layers
Publication:Boundary-layer Meteorol., 19, 51-66
Abstract:A similarity study of entrainment at the top of convectively driven mixed layer is presented
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Record ID:53/302

Date:11/20/1987
Subject:(53) Planetary/Atmospheric Boundary
(5) Air Pollution
Author:Chatfield, R.B., R.A. Brost
Title:A two-stream model of the vertical transport of trace species in the convective boundary layer.
Publication:J. Geo. Res., 92, D11, 13263-13276
Abstract:A conceptually simple 2-stream model of the convective planetary boundary layer provides a surprisingly realistic description of basic boundary layer transport features.
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Record ID:53/303

Date:01/01/1974
Subject:(53) Planetary/Atmospheric Boundary
Author:Augstein, E., H. Schmidt, F. Ostapoff
Title:The vertical stucture of the atmospheric planetary boundary layer in undisturbed trade winds over the Atlantic ocean
Publication:Boundary-layer Meteorol., 6, 129-150
Abstract:During the Atlantic Expedition 1965 and the Atlantic Tradewind Experiment (ATEX) 1969, shipborne aerological measurements were obtained in order to investigate the thermodymaical and kinematic structure of the planetary boundary layer in low latitudes.
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Record ID:53/304

Date:03/01/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Barnes, G., G.D. Emmitt, B. Brummer, M.A. LeMone, S. Nicholls
Title:The structure of a fair weather boundary layer based on the results of several measurement strategies
Publication:Mon. Wea. Rev., 108, 349-364
Abstract:A fair weather boundary layer (BL) with light winds and scattered cumulus to 1100 m is examined in the GATE C-scale triangle using data from tethered balloons, surface measurements from the booms of the ships, structure sondes and gust probe aircraft.
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Record ID:53/305

Date:08/01/1970
Subject:(53) Planetary/Atmospheric Boundary
Author:Brown, R.A.
Title:A secondary flow model for the planetary boundary layer
Publication:J. Atmos. Sci., 27, 742-757
Abstract:The equations of motion for a neutrally buoyant fluid are solved to produce an equilibrium flow consisting of a modified Ekman spiral mean flow plus a helical secondary flow.
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Record ID:53/306

Date:01/01/1974
Subject:(53) Planetary/Atmospheric Boundary
Author:Clever, R.M., F.H. Busse
Title:Transition to time-dependent convection
Publication:J. Fluid Mech., 65, 625-645
Abstract:Steady solutions in the form of two-diemsnional rolls are obtained for convection in a horizontal layer of fluid heated from below as a function of the Rayleigh and Prandtl numbers
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Record ID:53/307

Date:01/01/1987
Subject:(53) Planetary/Atmospheric Boundary
Author:Cohen, S., M. Fuchs, S. Moreshet, Y. Cohen
Title:The distribution of leaf area, radiation, photosynthesis and transpiration in a Shamouti organe hedgerow orchard. Part II: Photosynthesis, transpiration, and the effect of row shape and direction
Publication:Agri., Forest Meteorol., 40, 145-162
Abstract:The influence of the distribution of radiation in an orange canopy on transpiration and photosynthesis was examined by developing a model of these processes.
Location:2
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Record ID:53/308

Date:01/01/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:Deardorff, J.W.
Title:Discussion of 'Thermals over the sea and gull flight behavior' by A.H. Woodcock
Publication:Boundary-layer Meteorol., 10, 241-246
Abstract:Woodcock's (1975) refined plot of herring gull flight behavior on a diagram of wind spee versus sea-air temperature difference is shown to agree very satisfactorily with expectations derived from free-convection scaling arguments.
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Record ID:53/309

Date:01/01/1972
Subject:(53) Planetary/Atmospheric Boundary
Author:Deardorff, J.W.
Title:Numerical investigation of neutral and unstable planetary boundary layers
Publication:J. Atmos. Sci., 29, 91-115
Abstract:Results of numerical integrations are presented for a neutrally stratified planetary boundary layer containing a passive scalar, and for three unstable cases with upward heat flux.
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Record ID:53/310

Date:11/01/1970
Subject:(53) Planetary/Atmospheric Boundary
Author:Deardorff, J.W.
Title:Convective velocity and temperature scales for the unstable planetary boundary layer and for Rayleigh convection
Publication:J. Atmos. Sci., 27, 1211-1213
Abstract:None - Notes and Correspondence
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Record ID:53/311

Date:03/01/1965
Subject:(53) Planetary/Atmospheric Boundary
Author:Faller, A.J.
Title:Large eddies in the atmospheric boundary layer and their possible role in the formation of cloud rows
Publication:J. Atmos. Sci., 22, 176-184
Abstract:Turbulent shear flow generally contains large eddies which appear to be due to a shear instability of the profile of the mean flow.
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Record ID:53/312

Date:01/01/1988
Subject:(53) Planetary/Atmospheric Boundary
Author:Hein, P.F., R.A. Brown
Title:Observations of longitudinal roll vortices during Arctic cold air outbreaks over open water
Publication:Boundary-layer Meteorol., 45, 177-199
Abstract:An evolving convective Arctic planetary boundary layer (PBL) containing longitudinal roll vortices (rolls) was observed with aircraft data during the 1983 Marginal Ice Zone Experiment and the 1984 Arctic Cyclone Experiment.
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Record ID:53/313

Date:01/01/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Herring, J.R.
Title:Subgrid scale modelling--An introduction and overview
Publication:From Turbulent Shear Flows I, F. Durst, B.E. Launder, F.W. Schmidt, and J.H. Whitelaw, Eds., Springer-Verlag, New York
Abstract:None - Book chapter
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Record ID:53/314

Date:01/01/1980
Subject:(53) Planetary/Atmospheric Boundary
Author:Schumann, U., G. Grotzbach, L. Kleiser
Title:Direct numerical simulation of turbulence
Publication:From Prediction methods for turbulent flows, Wolfgang Kollmann, Ed., Hemisphere Publishing Corp., Washington, 123-258
Abstract:None-Book chapter
Location:2
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Record ID:53/315

Date:06/01/1972
Subject:(53) Planetary/Atmospheric Boundary
Author:Lenschow, D.H.
Title:The measurement of air velocity and temperature using the NCAR Buffalo Aircraft measuring system
Publication:NCAR-TN/EDD-74, National Center for Atmospheric Rsearch, Boulder, CO, 39 pp.
Abstract:Several years ago it was recognized that the deveopment of intertial naviagation systems for aircraft would make possible more accurate measurements of air velocity than were previously possible.
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Record ID:53/316

Date:12/01/1970
Subject:(53) Planetary/Atmospheric Boundary
Author:Lenschow, D.H.
Title:Airplane measurements of planetary boundary layer structure
Publication:J. Appl. Met., 9, 874-884
Abstract:Measurements of air velocity and temperature from an airplane in the planetary boundary layer with strong surface heating are used to calculate vertical heat, momentum and energy fluxes, as well as spectral densities and probability distributions of velocity and temperature.
Location:2
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Record ID:53/317

Date:01/01/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Mahrt, L., H. Pan
Title:A two-layer model of soil hydrology
Publication:Boundary-layer Meteorol., 29, 1-20
Abstract:A two-layer model of soil hydrology is developed for applications where only limited computer time and complexity are allowed
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Record ID:53/318

Date:01/01/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Mansour, N.N., P. Moin, W.C. Reynolds, J.H. Ferziger
Title:Improved methods for large eddy simulations of turbulence
Publication:From Turbulent shear flows I, F. Durst, B.E. Launder, F.W. Schmidt, J.H. Whitelaw, Eds., Springer-Verlag, New York, 386-401
Abstract:By using Fourier transforms for evaluating spatial derivatives, we are able to improve the accuracy of the large eddy simulation of homogeneous isotropic turbulence; in particular, the treatment of certain
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Record ID:53/319

Date:01/01/1977
Subject:(53) Planetary/Atmospheric Boundary
Author:Miyakoda, K., J. Sirutis
Title:Comparative integrations of global models with various parameterized processes of subgrid-scale vertical transports: Description of the parameterizations
Publication:Beitrage zur Physick der Atmosphare, 50, 445-447
Abstract:The effects of the parameterizations of the vertical eddy transport on the general circulation were studied comparatively by including various shemes in a global finite difference model
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Record ID:53/320

Date:03/01/1974
Subject:(53) Planetary/Atmospheric Boundary
Author:Moore, D.A., A.K. Betts
Title:Diagnostic tests of models for the thermal structure of the non-precipitating convective boundary layer
Publication:Atmos. Sci. Paper No. 217, Colorado State Univ., Dept. of Atmospheric Science, Fort Collins, CO 80523, 74 pp.
Abstract:This paper presents a diagnostic study of two models proposed by Betts (1973a).
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Record ID:53/321

Date:07/01/1974
Subject:(53) Planetary/Atmospheric Boundary
Author:Pennell, W.T., M.A. LeMone
Title:An experimental study of turbulence structure in the fair-weather trade wind boundary layer
Publication:J. Atmos. Sci., 31, 1308-1323
Abstract:Measurements of air velocity, temperature and humidity were made from an aircraft in the fair-weather trade wind boundary layer.
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Record ID:53/322

Date:01/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Pielke, R.A., H.A. Panofsky, M. Segal
Title:A suggested refinement for O'Brien's convective boundary layer eddy exchange coefficient formulation
Publication:Boundary-layer Meteorol., 26, 191-195
Abstract:With observational data collected and interpreted by Crane et al. (1977), the adequacy of the O'Briend polynomial to represent the exchange profile of heat and pollution in a convective boundary layer is examined and a refinement suggested.
Location:2
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Record ID:53/323

Date:09/01/1975
Subject:(53) Planetary/Atmospheric Boundary
Author:Schewe, G.J.
Title:A climatology of inversions
Publication:Atmospheric Science Paper No. 238, Colorado State Univ., Dept. of Atmospheric Science, Fort Collins, CO 80523, 103 pp.
Abstract:Stratifications and analysis of acoustic radar records are performed for the Ft. Collins area of Colorado.
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Record ID:53/324

Date:01/01/1981
Subject:(53) Planetary/Atmospheric Boundary
Author:Tennekes, H., A.G.M. Driedonks
Title:Basic entrainment equations for the atmospheric boundary layer
Publication:Boundary-layer Meteorol., 20,515-531
Abstract:The parameterization of penetrative convection and other cases of turbulent entrainment by the atmospheric boundayr layer is reviewed in this paper.
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Record ID:53/325

Date:01/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Therry, G., P. Lacarrere
Title:Improving the eddy kinetic energy model for planetary boundary layer description
Publication:Boundary-layer Meteorol., 25, 63-88
Abstract:Results from a third-order turbulence closure scheme model and from experimental studies are used to improve the Eddy Kinetic Energy (EKE) model for the Planetary Boundary Layer (PBL).
Location:2
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Record ID:53/326

Date:02/01/1983
Subject:(53) Planetary/Atmospheric Boundary
Author:Wilczak, J.M., J.A. Businger
Title:Thermally indrect motions in the convective atmospheric boundary layer
Publication:J. Atmos. Sci., 40, 343-358
Abstract:The energetics of the dry convective boundary layer is studied by partitioning the turbulent heat flux into thermally indirect
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Record ID:53/327

Date:01/01/1971
Subject:(53) Planetary/Atmospheric Boundary
Author:Clarke, R.H.
Title:Depth of the boundary layer
Publication:Atmos. Env., 5, 67-69
Abstract:None-Discussions
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Record ID:53/328

Date:06/01/1970
Subject:(53) Planetary/Atmospheric Boundary
Author:Clarke, R.H.
Title:Recommended methods for the treatment of the boundary layer in numerical models
Publication:Aust. Met. Mag., 18, 51-73
Abstract:Two possible methods of treating the atmospheric boundary layer in numerical models of the atmosphere are described, and their advantages and disadvantages discussed.
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Record ID:53/329

Date:01/01/1972
Subject:(53) Planetary/Atmospheric Boundary
Author:Clarke, R.H.
Title:Observational studies in the atmospheric boundary layer
Publication:Q.J.R. Met. Soc., 98, 231-235
Abstract:None-discussions
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Record ID:53/330

Date:02/01/1971
Subject:(53) Planetary/Atmospheric Boundary
Author:Deardorff, J.W.
Title:On the magnitude of the subgrid scale eddy coefficient
Publication:J. Comp. Phys., 7, 120-133
Abstract:Three-dimensional numerical integrations capable of resolving the energy containing motions at large Reynolds number have testec the nonlinear eddy-viscosity formulation in the two cases when the turbulence is generated by mean shear or by instability.
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Record ID:53/331

Date:10/15/1984
Subject:(53) Planetary/Atmospheric Boundary
Author:Gal-Chen, T., R.A. Kropfli
Title:Buoyancy and pressure perturbations derived from dual-Doppler radar observations of the planetary boundary layer: Applications for matching models with observations
Publication:J. Atmos. Sci., 41, 3007-3020
Abstract:The technique developed by Gal-Chen in 1978 is used to derive vertical velocities, buoyancy, and pressure perturbations from dual-Doppler radar observations of the planetary boundary layer (PBL).
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Record ID:53/332

Date:01/01/1965
Subject:(53) Planetary/Atmospheric Boundary
(21) Cumulus Dynamics
Author:Kuo, H.L.
Title:Further studies of the properties of cellular convection in a conditionally unstable atmosphere
Publication:Tellus, XVII, 4, 413-432
Abstract:The problem of convection in an atmosphere, which is table dor dry adiabatic descending motion but unstable for saturated ascending motion is analyzed, with a view to the
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Record ID:53/333

Date:05/01/1975
Subject:(53) Planetary/Atmospheric Boundary
Author:Long, P.E., Jr., W.A. Shaffer
Title:Some physical and numerical aspects of boundary layer modeling
Publication:NOAA Tech. Memo. NWS TDL-56, Techniques Development Laboratory, Silver Spring, MD
Abstract:The Techniques Development Laboratory is developing a large scale three-dimensional planetary boundary layer model to predict the temperature, humidity, and wind within the lowest several kilometers of the atmosphere for a period of 24 hr.
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Record ID:53/334

Date:10/20/1971
Subject:(53) Planetary/Atmospheric Boundary
Author:Morton, B.R.
Title:The choice of conservation equations for plume models
Publication:J. Geophysical Res., 76, 7409-7416
Abstract:Theories on the behavior of turbulent buoyant plumes generally form three classes: (a) strictly self-similar models valid only in a uniform environment
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Record ID:53/335

Date:01/01/1956
Subject:(53) Planetary/Atmospheric Boundary
Author:Morton, B.R., Sir G. Taylor, F.R.S., J.S. Turner
Title:Turbulent gravitational convection from maintained and instantaneous sources
Publication:Proc. Royal Soc., A, 234, 1-23
Abstract:Theories of convection from maintained and instantaneous sources of buoyancy are developed, using emthods which are applicable to stratified body fuids with any variation of density with height; detailed solutions
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Record ID:53/336

Date:02/15/1972
Subject:(53) Planetary/Atmospheric Boundary
Author:Mintz, Y., A. Katayama, A. Arakawa
Title:Numerical simulation of the seasonally and inter-annually varyting tropospheric circulation
Publication:Survey Conference Proceedings of the Dlimatic Impact Assessment Program, Cambridge, MA, A.E. Barrington, Ed., U.S. Dept. of Transportation, 194-216
Abstract:The tropospheric circulation was numerically simulated for three years of simulated time, during which the underlying sea-surface temperature and the distribution of the sea ice were held contant.
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Record ID:53/337

Date:09/01/1978
Subject:(53) Planetary/Atmospheric Boundary
Author:Melling, H., R. List
Title:Doppler velocity extraction from atmospheric acoustic echoes using a zero-crossing technique
Publication:J. Appl. Met., 17, 1274-1285
Abstract:The scattering of a narrow-band acoustic signal from atmospheric turbulence generates an echo of randomly varying amplitude and frequency
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Record ID:53/338

Date:01/01/1974
Subject:(53) Planetary/Atmospheric Boundary
Author:Tennekes, H.
Title:The atmospheric boundary layer
Publication:Physics Today, Jan., 52-62
Abstract:None
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Record ID:53/339

Date:01/01/1972
Subject:(53) Planetary/Atmospheric Boundary
Author:Turner, J.S.
Title:On the energy deficiency of self-preserving convective flows
Publication:J. Fluid Mech., 53, 217-226
Abstract:When similarity solutions are used to describe convective plumes or thermals, there is always found to be a descrepancy between the work done by buoyancy forces and the kinetic energy of mean motion
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Record ID:53/340

Date:01/01/1964
Subject:(53) Planetary/Atmospheric Boundary
Author:Turner, J.S.
Title:The dynamics of spheroidal masses of buoyant fluid
Publication:J. Fluid Mech., 19, 481-490
Abstract:It is shown how a simple property of the spherical vortex model can be used to investigate the dynamics of a buoyant, expanding thermal.
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Record ID:53/341

Date:01/01/1974
Subject:(53) Planetary/Atmospheric Boundary
Author:Wyngaard, J.C., O.R. Cote
Title:The evolution of a convective planetary boundar layer -- A higher-order-closure model study
Publication:Boundary-layer Meteorol., 7, 289-308
Abstract:The evolution of the boundary layer on day 33 of the Wangara experiment in southeast Australia is calculated with a higher-order-closure turbulence model.
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Record ID:53/342

Date:01/01/1975
Subject:(53) Planetary/Atmospheric Boundary
Author:Woodcock, A.H.
Title:Thermals over the sea and gull flight behavior
Publication:Boundary-layer Meteorol., 9, 63-68
Abstract:The flight performance of Herring Gulls relative to specific atmosphere and ocean conditions over the western North Atlantic indicates that large groups of gulls are able, through cooperative flight maneuvers, to induce ascending convective flow (thermals) in which they make extended soaring flights
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Record ID:53/343

Date:11/01/1980
Subject:(53) Planetary/Atmospheric Boundary
(41) Mesoscale Meteorology
Author:Djuric, D., M.S. Damiani, Jr.
Title:On the formation of the low-level jet over Texas
Publication:Mon. Wea. Rev., 108, 1854-1865
Abstract:The low-level jet (LLJ) in the winter half-year originates a southwind over the high plains of Colorado, Kansas, western Oklahoma and West Texas.
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Record ID:53/344

Date:11/16/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:Bergen, J.D.
Title:Some measurements of the adiabatic wind profile over a tall and irrgular forest
Publication:In Proc., 4th National Conf. on Fire and Forest Meteorology, St. Louis, MO, Nov. 16-18, 1976, USDA Forest Serv. Gen Tech. Rep. RM-32, 239 pp.
Abstract:Vertical profiles of windspeed were measured over a Douglas-fire stand on a level, exposed mountain site
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Record ID:53/345

Date:05/01/1957
Subject:(53) Planetary/Atmospheric Boundary
Author:Blackadar, A.K.
Title:Boundary layer wind maxima and their signficance for the growth of nocturnal inversions
Publication:Bull. Amer. Met. Soc., 38, 283-290
Abstract:A sharp maximum is frequently observed at night in the wind speed profile below 3000 ft.
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Record ID:53/346

Date:08/01/1978
Subject:(53) Planetary/Atmospheric Boundary
Author:Brost, R.A., J.C. Wyngaard
Title:A model study of the stably stratified planetary boundary layer
Publication:J. Atmos. Sci., 35, 1427-1440
Abstract:A second-order turbulence model is used to study the stable boundayr layer (SBL).
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Record ID:53/347

Date:07/01/1979
Subject:(53) Planetary/Atmospheric Boundary
Author:Caughey, S.J., J.C. Wyngaard, J.C. Kaimal
Title:Turbulence in the evolving stable boundary layer
Publication:J. Atmos. Sci., 36, 1041-1052
Abstract:The turbulence structure observed in sever early evening runs of the 1973 Minnesota experiments is presented and discussed.
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Record ID:53/348

Date:03/01/1977
Subject:(53) Planetary/Atmospheric Boundary
Author:Champagne, F.H., C.A. Friehe, J.C. LaRue
Title:Flux measurements, flux estimation techniques, and fine-scale turbulence measurements in the unstable surface layer over land
Publication:J. Atmos. Sci., 34, 515-530
Abstract:An AFCRL-UCSD joint experiment in Minnesota in 1973 has provided a comparison of direct and indirect measurements of the surface-layer fluxes of momentum, heat and moisture under unstable conditions.
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Record ID:53/349

Date:02/15/1963
Subject:(53) Planetary/Atmospheric Boundary
Author:Estoque, M.A.
Title:A numerical model of the atmospheric boundary layer
Publication:J. Geophys. Res., 68, 1103-1113
Abstract:A physical model is constructed for studying the response of the lowest atmospheric layers and the underlying soil stratum to incoming solar radiation and other external influences.
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Record ID:53/350

Date:01/01/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:Gossard, E.E., A.S. Frisch
Title:Kinematic models of a dry convective boundary layer compared with dual-Doppler radar observations of wind fields
Publication:Boundary-layer Meteorol., 10, 311-330
Abstract:The kinematic structure of the convective boundary layer, observed by a dual-Doppler radar system, is compared with the structure predicted by simple shear models.
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Record ID:53/351

Date:05/01/1978
Subject:(53) Planetary/Atmospheric Boundary
Author:Gossard, E.E.
Title:The height distribution of refractive index structure parameter in an atmosphere being modified by spatial transition at its lower boundary
Publication:Radio Sci., 13, 489-500
Abstract:An approximate method for solution of problems in turbulent diffusion is described and applied to radio wave propagation in the lower atmosphere for some boundary value problems not previously examined in the literature
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Record ID:53/352

Date:06/01/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:Hanna, S.R.
Title:Relative diffusion of tetroon pairs during convective conditions
Publication:J. Appl. Meteorol., 15, 588-593
Abstract:Observations of the relative diffusion of 13 sets of tetroon pairs in the mixed layer during convective conditions in eastern Tennessee are reported.
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Record ID:53/353

Date:01/01/1977
Subject:(53) Planetary/Atmospheric Boundary
Author:Hall, F.F., Jr.
Title:The Boulder atmospheric observatory and its meteorological research tower
Publication:Optics News, Spril 1977
Abstract:None
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Record ID:53/354

Date:11/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Johnson, R.H., J.R. Zimmerman
Title:Modification of the boundary layer over the South China sea during a winter MONEX cold surge event
Publication:Mon. Wea. Rev., 114, 2004-2015
Abstract:Aircraft dropwindsonde and conventional sounding data have been used to document the boundary layer structure over the South China Sea during the period of 3-day moderate cold surge that occurred during the December 1978 Winter Monsoon Experiment (Winter MONEX).
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Record ID:53/355

Date:11/01/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:Kaimal, J.C., J.C. Wyngaard, D.A. Hugen, O.R. Cote, Y. Izumi, S.J. Caughey, C.J. Readings
Title:Turbulence structure in the convective boundary layer
Publication:J. Atmos. Sci., 33, 2152-2169
Abstract:Results from a boundary layer experiment conducted over a lfat site in northwestern Minnesota are discussed
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Record ID:53/356

Date:05/01/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:LeMone, M.A., W.T. Pennell
Title:The relationship of trade wind cumulus distribution to subcloud layer fluxes and sructure
Publication:Mon. Wea. Rev., 104, 524-539
Abstract:A definite relationship between cloud distribution and sub-cloud layer structure and fluxes in fair weather is documented using measurements of wind, temperature, humidity and overhead cloud occurrence from the NCAR DeHavilland Buffalo aircraft.
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Record ID:53/357

Date:01/01/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:Lipps, F.B.
Title:Numerical simulation of three-dimensional Benard convection in air
Publication:J. Fluid Mech., 75, 113-148
Abstract:A numerical model is developed to simulate three-dimensional Benard convection.
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Record ID:53/358

Date:01/01/1974
Subject:(53) Planetary/Atmospheric Boundary
Author:List, R., H. Melling
Title:Plume convection over an urban area as observed by acoustic echo sounding
Publication:Atmosphere, 12, 144-153
Abstract:An acoustic echo sounder situated in downtown Toronto has been used to detect convective plumes in the planetary convective plumes in the planetary boundary layer and to measure, by means of the Doppler effect, the vertical air motions associated with them.
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Record ID:53/359

Date:11/01/1973
Subject:(53) Planetary/Atmospheric Boundary
Author:Mahrt, L.J.
Title:A relationship of the Reynolds stress to local shear and heat fluxes in the planetary boundary layer
Publication:J. Atmos. Sci., 30, 1577-1583
Abstract:The steady Reynolds stress and turbulent energy equations for steady, horizontally homogeneous mean flow are used to relate the Reynolds stress
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Record ID:53/360

Date:11/01/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:Mahrt, L.
Title:Mixed layer moisture structure
Publication:Mon. Wea. Rev., 104, 1403-1407
Abstract:Radiosonde data from the National Hail Research Experiment and the Wangara experiment are examined to study vertical gradients of moisture in heat boundary layers which are well-mixed in virtual potential temperature.
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Record ID:53/361

Date:07/01/1975
Subject:(53) Planetary/Atmospheric Boundary
Author:Mellor, G.L.
Title:A comparative study of curved flow and density-stratified flow
Publication:J. Atmos. Sci., 32, 1278-1282
Abstract:A semi-empirical theory, used to predict buoyancy effects in a density-stratified and shear-driven flow, is also applied to the case of a boundary layer with curvature.
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Record ID:53/362

Date:10/01/1974
Subject:(53) Planetary/Atmospheric Boundary
Author:Mellor, G.L., T. Yamada
Title:A hierarchy of turbulence closure models for planetary boundary layers
Publication:J. Atmos. Sci., 31, 1791-1806
Abstract:Turbulence models centered on hypotheses by Rotta and Kolmgoroff are complex.
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Record ID:53/363

Date:09/01/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:Merceret, F.J.
Title:Airborne hot-film measurements of the small-scale structure of atmospheric turbulence during GATE
Publication:J. Atmos. Sci., 33, 1739-1746
Abstract:Fluctuations of temperature, horizontal velocity and vertical velocity were measured at scales from 50 m to 5 cm with airborne hot-film anemometers at altitudes of 150 and 900 m in clear air, and in subcloud air with and without rainfall.
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Record ID:53/364

Date:05/01/1976
Subject:(53) Planetary/Atmospheric Boundary
Author:Merceret, F.J.
Title:Measuring atmospheric turbulence with airborne hot-film anemometers
Publication:J. Appl. Meteorol., 15, 482-490
Abstract:Extensive flight tests during GATE showed hot-film anemometry to be a useful tool for the airborne measurement of atmospheric trubulence in clear air and in subcloud rain,
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Record ID:53/365

Date:01/01/1973
Subject:(53) Planetary/Atmospheric Boundary
Author:So, R.M.C., G.L. Mellor
Title:Experiment on convex curvature effects in turbulent boundary layers
Publication:J. Fluid Mech., 60, 43-62
Abstract:Turbulent boundary layers along a convex surface of varying curvature were investigated in a specially designed boundary-layer tunnel
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Record ID:53/366

Date:02/01/1975
Subject:(53) Planetary/Atmospheric Boundary
Author:So, R.M.C., G.L. Mellor
Title:Experiment on turbulent boundary layers on a concave wall
Publication:Aeronautical Qtly., XXVI, 25-40
Abstract:The present expeirment describes the behaviour of a turbulent boundary layer on a concave wall.
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Record ID:53/367

Date:01/01/1978
Subject:(53) Planetary/Atmospheric Boundary
Author:Sommeria, G., M.A. LeMone
Title:Direct testing of a three-dimensional model of the planetary boundary layer against expeirmental data
Publication:J. Atmos. Sci., 35, 25-39
Abstract:Results from a detailed three-dimensional model of the atmospheric boundary layer are compared with observational data in a case of nonprecipitating convection in a tropical boundary layer
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Record ID:53/368

Date:04/01/1953
Subject:(53) Planetary/Atmospheric Boundary
Author:Stern, M.E., J.S. Malkus
Title:The flow of a stable atmosphere over a heated island, Part II
Publication:J. Meteorol., 10, 105-120
Abstract:In Part I, the convective motions produced by the flow of a stable air stream over a small flat island were studied when the distribution of heating as a function of coordinates was used.
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Record ID:53/369

Date:01/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Troen, I., L. Mahrt
Title:A simple model fo the atmospheric boundary layer; Sensitivity to surface evaporation
Publication:Boundary-layer Metorol., 37, 129-148
Abstract:A simple formulation of the boundary layer is developed for use in large-scale and other situations where simplicity is required.
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Record ID:53/370

Date:04/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Woodruff, B.L.
Title:Sampling error in a single-instrument vertical gradient measurement in the atmospheric surface layer
Publication:Atmos. Science Paper No. 399, Colorado State University, Dept. of Atmospheric Science, Fort Collins, CO 80523
Abstract:The problem of accurately measuring the small verticla graident of an atmospheric scalar stands against a growing number of dry deposition studies employing profile methods
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Record ID:53/371

Date:01/01/1975
Subject:(53) Planetary/Atmospheric Boundary
Author:Wyngaard, J.C.
Title:Modeling the planetary boundary layer-extension to the stable case
Publication:Boundary-layer Meteorol., 9, 441-460
Abstract:A higher-order closure model, which contains equations for turbulent covariances as well as the mean field, was developed and used to investigate the structure of the stably-stratified planetary boundary layer.
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Record ID:53/372

Date:01/01/1978
Subject:(53) Planetary/Atmospheric Boundary
Author:Wyngaard, J.C., W.T. Pennell, D.H. Lenschow, M.A. LeMone
Title:The temperature-humidity covariance budget in the convective boundary layer
Publication:J. Atmos. Sci., 35, 47-58
Abstract:The behavior of the temperature-humidity covariance (theta q bar) budget in the convectively driven boundary layer is determined through analysis of data from AMTEX and (to a lesser extent) Kansas and Minnesota.
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Record ID:53/373

Date:06/01/1977
Subject:(53) Planetary/Atmospheric Boundary
Author:Wyngaard, J.C., S.F. Clifford
Title:Taylor's hypothesis and high-frequency trublence spectra
Publication:J. Atmos. Sci., 34, 922-929
Abstract:Lumley's model for interpreting frequency spectra of streamwise velocity in high-turbulence level flows assumes 1) that the convection velocity fluctions and the convected finestructure are statistically independent, and 2) that the
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Record ID:53/374

Date:05/01/1984
Subject:(53) Planetary/Atmospheric Boundary
(39) Large Eddy Simulation
Author:Wyngaard, J.C.
Title:Large-eddy simulation. Guidelines for its application to planetary boundary layer research
Publication:Draft, for the U.S. Army Research Office
Abstract:None
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Record ID:53/375

Date:12/01/1975
Subject:(53) Planetary/Atmospheric Boundary
Author:Yamada, T., G. Mellor
Title:A simulation of the Wangara atmospheric boundary layer data
Publication:J. Atmos. Sci., 32, 2309-2329
Abstract:Previously, the authors have studied a hierarchy of turbulent boundary layer models, all based on the same closure assumptions for the triple turbulence moments.
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Record ID:53/376

Date:3/15/1998
Subject:(53) Planetary/Atmospheric Boundary
Author:Gopalakrishnan, S.G., M. Sharan, R.T. McNider, M.P. Singh
Title:Study of radiative and turbulent processes in the stable boundary layer under weak wind conditions.
Publication:J. Atmos. Sci., 55, 954-960
Abstract:The role of radiation and turbulence was studied in a weak wind nocturnal inversion layer using a one-dimensional model.
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Record ID:53/377

Date:05/15/1998
Subject:(53) Planetary/Atmospheric Boundary
Author:Wyngaard, J.C. L.J. Peltier, S. Khanna
Title:LES in the surface layer: Surface fluxes, scaling, and SGS modeling
Publication:J. Atmos. Sci., 55, 1733-1754
Abstract:The surface fluxes in the fine-mesh numerical codes used in small-scale meteorology are typicaly diagnosed from resolvable-scale variables through surface-exhcange coefficients.
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Record ID:53/378

Date:7/1/1998
Subject:(53) Planetary/Atmospheric Boundary
Author:Edson, J.B., C.W. Fairall
Title:Similarity relationships in the marine atmospheric surface layer for terms in the TKE and scalar variance budgets.
Publication:J. Atmos. Sci., 55, 2311-2328
Abstract:Measurements of the momentum, heat, moisture, energy, and scalar variance fluxes are combined with dissipation estimates to investigate the behavior of marine surface layer turbulence.
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Record ID:53/379

Date:01/01/1997
Subject:(53) Planetary/Atmospheric Boundary
(59) Radar Meteorology
Author:Chapman, D., K.A. Browning
Title:Radar observations of wind-shear splitting within evolving atmospheric Kelvin-Helmholtz billows
Publication:Q.J. Royal Met. Soc., 123, 1433-1439
Abstract:The high-resolution radar at Chilbolton was used to measure the velocity structure of large-amplitude Kelvin-Helmholtz billows within a precipitating warm-frontal zone.
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Record ID:53/380

Date:8/15/1998
Subject:(53) Planetary/Atmospheric Boundary
Author:Lewellen, D.C., W.S. Lewellen
Title:Large-eddy boundary layer entrainment
Publication:J. Atmos. Sci., 55, 2645-2665
Abstract:A series of large-eddy simulations have been performed to explore boundary-layer entrainment under conditions of a strongly capped inversion layer with the boundary layer dynamics driven dominantly by buoyant forcing.
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Record ID:53/381

Date:10/1/1998
Subject:(53) Planetary/Atmospheric Boundary
Author:Sullivan, P.P., C.-H. Moeng, B. Stevens, D.H. Lenschow, S.D. Mayer
Title:Structure of the entrainment zone capping the convective atmospheric boundary layer.
Publication:J. Atmos. Sci., 55, 3042-3064
Abstract:The authors use large-eddy simulation to investigate entrainment and structure of the inversion layer of a clear convectively driven PBL over a range of bulk Richardson numbers.
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Record ID:53/382

Date:02/15/1999
Subject:(53) Planetary/Atmospheric Boundary
Author:Arola, A.
Title:Parameterization of turbulent and mesoscale fluxes for heterogeneous surfaces
Publication:J. Atmos. Sci., 56, pp. 584-598
Abstract:Improved parameterizations for turbulent surface fluxes over inhomogeneous terrain at several scales of heterogeneity are developed, and mesoscale numerical model results are used to evaluate them.
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Record ID:53/383

Date:03/03/1999
Subject:(53) Planetary/Atmospheric Boundary
Author:Muller, G., B. Brummer, W. Alpers
Title:Roll convective within an Arctic cold-air outbreak: Interpretation of In Situ aircraft measurements and spaceborne SAR imagery by a three-dimensional atmospheric model
Publication:Mon. Wea. Rev., 127, pp. 363-380
Abstract:Atmospheric roll convection within an Arctic cold-air outbreak was observed over the Greenland Sea during the ARKTIS 1993 experiment on 24 March 1993 by in situ aircraft measurements and synthetic aperture radar below, two kinds of rolls were observed, one aligned parallel and the other perpendicular to the mean wind direction.
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Record ID:53/384

Date:03/15/1999
Subject:(53) Planetary/Atmospheric Boundary
Author:vanZanten, M. C., P. G. Duynkerke, J. W. M. Cuijpers
Title:Entrainment parameterization in convective boundary layers
Publication:J. Atmos. Sci., 56, pp. 813-828
Abstract:Various runs were performed with a large eddy simulation (LES) model to evaluate different types of entrainment parameterizations.
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Record ID:53/385

Date:04/15/1999
Subject:(53) Planetary/Atmospheric Boundary
Author:Moeng, C.-H., P.P. Sullivan, B. Stevens
Title:Including radiative effects in an entrainment rate formula for buoyancy-driven PBLs
Publication:J. Atmos. Sci., 56, pp. 1031-1049
Abstract:The effect of longwave radiative coling at the planetary boundary layer (PBL) top in determining the entrainment rate was examined in this study.
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Record ID:53/386

Date:01/01/1999
Subject:(53) Planetary/Atmospheric Boundary
Author:Lock, A.P., M.K. MacVean
Title:The parameterization of entrainment driven by surface heating and cloud-top cooling
Publication:Q.J.R. Meteorol. Soc., 125, 271-299
Abstract:A numerical modelling study of entrainment in the convective atmospheric boundary layer has been undertaken.
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Record ID:53/387

Date:07/01/1999
Subject:(53) Planetary/Atmospheric Boundary
Author:Greischar, L., R. Stull
Title:Convective transport theory for surface fluxes tested over the Western Pacific warm pool
Publication:J. Atmos. Sci., 56, pp. 2201-2211
Abstract:Turbulent flux measurements from five flights of the National Center for Atmospheric Research Electra aircraft during the Tropical Oceans and Global Atmosphere Coupled Ocean-Atmosphere Response Experiment (TOGA-COARE) are used tto test convective transport theory(CTT) for a marine boundary layer.
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Record ID:53/388

Date:07/01/1999
Subject:(53) Planetary/Atmospheric Boundary
Author:Sorbjan, Z.
Title:Similarity of scalar fields in the convective boundary layer
Publication:J. Atmos. Sci., 56, pp. 2212-2221
Abstract:The paper investigates similarity of scalar fields in a horizontally homogeneous, cloud-free, shearless, convective mixed layer.
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Record ID:53/389

Date:01/01/1999
Subject:(53) Planetary/Atmospheric Boundary
(39) Large Eddy Simulation
Author:Cai, X.M.
Title:Large-eddy simulation of the convective boundary layer over an idealized patchy urban surface
Publication:Q.J.R. Meteorol. Soc., 125, 1427-1444
Abstract:This study investigates the structure of thermal plumes driven by different patchy urban surfaces using large-eddy simulation.
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Record ID:53/390

Date:01/01/1999
Subject:(53) Planetary/Atmospheric Boundary
Author:Petersen, A.C., C. Beets, H. Van Dop, P.G. Duynkerke
Title:Mass-flux characteristics of reactive scalars in the convective boundary layer
Publication:J. Atmos. Sci., 56, 37-56
Abstract:The transport of nonreactive and reactive bottom-up and top-down diffusing scalars in a solid-lid convective boundary layer is studied using large-eddy simulation (LES).
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Record ID:53/391

Date:01/01/1993
Subject:(53) Planetary/Atmospheric Boundary
Author:Hasse, L
Title:Turbulence closure in boundary-layer theory - an invitation to debate
Publication:Boundary-Layer Meteorol., 65, 249-254
Abstract:Turbulence in the planetary boundary layer has been a topic of research for a long itme.
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Record ID:53/392

Date:9/01/2000
Subject:(53) Planetary/Atmospheric Boundary
Author:Souza, E.P., N.O. Renno, M.A.F. Silva Dias
Title:Convective circulations induced by surface heterogeneities
Publication:JAS, 57, 2915-2922
Abstract:A simple thoery for convective circulatins induced by surface heterogeneities is proposed.
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Record ID:53/393

Date:9/15/2000
Subject:(53) Planetary/Atmospheric Boundary
Author:Young, G.S., B.K. Cameron, E.E. Hebble
Title:Oberservations of the entrainment zone ina rapidly entraining boundary layer
Publication:JAS, 57, 3145-3160
Abstract:High-rate turbulence data collected by the National Center for Atmospheric Research Electra aircraft on 13 January 1998 over lake michigan during the Lake-Induced Convection Experiment are analyzed to explare the turbulence dyamics of the entraiment zone of a rapidly entraining convective boundary layer.
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Record ID:53/394

Date:9/15/2000
Subject:(53) Planetary/Atmospheric Boundary
Author:Lukas, J.C.
Title:Heat budget calcution in t he covective boundary layer on a 4 x 4 vertical versus time grid from aircraft and surface measurements
Publication:JAS, 57, 3174-3181
Abstract:Aircraft, portable tower, and radiosonde measurement from 4 August 1989 (day 68) of the First International Satellite Land Surface Climatology Project (ISLCP) Field Experiment (FIFE), over fairly terrain in Kansas, are used for the reconstuction of the heat conservation equation.
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Record ID:53/395

Date:9/9/2000
Subject:(53) Planetary/Atmospheric Boundary
Author:Cooper, K.A., M.R. Hjelmfelt, R.G. Derickson, D.A.R. Kristovich, N.F. Laird
Title:Numerical simulation of transitions in boundary layer convective structures in a lake-effect snow event
Publication:MWR, 128, 3283-3295
Abstract:Numerical simulations are used to study transitions between boundary layer rolls and more cellular convective structures observed during a lake-effect snow event over Lake Michigan on 17 December 1983.
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Record ID:53/396

Date:01/01/2000
Subject:(53) Planetary/Atmospheric Boundary
Author:Lohou, F., A. Druilhet, B. Campistron, J.-L. Redelsperger, F. Said
Title:Numberical study of the ipact of coherent structures on vertical transfers inthe atmospheric boundary layer
Publication:Bound. Layer Meteor., 97, 361-383
Abstract:In two preceding papers, coherent structures of the atmospheric boundary layer (ABL), such as roll vortices or cells, were investigated through radar and aircraft observations collected during the TRAC-93 (Turbulence Radar Aircraft Cells) experiments held in France in June 1993.
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Record ID:53/397

Date:01/01/2001
Subject:(53) Planetary/Atmospheric Boundary
Author:Fedorovich, E., F.T.M. Nieuwstadt, R. Kaiser
Title:Numerical and laboratory study of a horizontally evolving convective boundary layer. Part I: Transition regimes and development of the mixed layer
Publication:J. Atmos. Sci., 58, 70-86
Abstract:Results are presented from a large eddy simulation (LES) and wind tunnel study of the turbulence regime in a horizontally evolving sheared atmospheric convective boundary layer (CBL) capped by a temperature inversion.
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Record ID:53/398

Date:01/01/2001
Subject:(53) Planetary/Atmospheric Boundary
Author:Fedorovich, E., F. T. M. Nieuwstadt, R. Kaiser
Title:Numerical and labratory study of horizontally evolving convective boundary layer. Part I: Transition regimes and development of the mixed layer
Publication:J. Atmos. Sci., 58, pp. 70-86
Abstract:Results are presented from a large eddy simulation (LES) and wind tunnel study of the turbulence regime in a horizontally evolving shared atmospheric convective boundary layer (CBL) capped by a temerpature inversion.
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Record ID:53/399

Date:01/01/2000
Subject:(53) Planetary/Atmospheric Boundary
Author:Kanak, K.M., D.K. Lilly, J.T. Snow
Title:The formation of vertical vortices in the convective boundary layer
Publication:Q.J.R. Metor. Soc., 126, 2789-2810
Abstract:A study of the dynamical formation mechanisms of atmospheric boundary-layer vortices is being conducted.
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Record ID:53/400

Date:06/01/2001
Subject:(53) Planetary/Atmospheric Boundary
Author:Zhu P., B Albrecht, J. Gottschalck
Title:Formation and Developement of Nocturnal Boundary Layer Clouds over the Southern Great Plains
Publication:J. Atmos. Sci., 58, 1409-1426
Abstract:The formation and evolution of nocturnal boundary layer clouds over land are studied using a simple well-mixed boundary layer theory
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Record ID:53/401

Date:06/01/2001
Subject:(53) Planetary/Atmospheric Boundary
Author:Santoso, E., R. Stull
Title:Similarity Equations for Wind and Temperature Profiles in the Radix Layer at the Convection Boundary Layer
Publication:J. Atmos. Sci., 58, 1446-1464
Abstract:In the middle of the convective boundary layer, also known as the mixed layer, is a relatively thick region where wind speed and potential temperature
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Record ID:53/402

Date:04/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Benech, B., J. Noilhan, A. Druilhet, J.M. Brustet, C. Charpentier
Title:Experimental study of an artificial thermal plume in the boundary layer. Part I: Flow characteristics near the heat source
Publication:J. Clim. Appl. Met., 25, 418-437
Abstract:The work reported here describes the environment source into the atmosphere
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Record ID:53/403

Date:08/01/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Desiato, F.
Title:A dispersion model evaluation study for real-time application in complex terrain
Publication:J. Appl. Met., 30, 1207-1219
Abstract:A few tracer experiments were carried out in autumn 1984 and summer 1985 at the Lago Brasimone site on the Appennini Mountains approximately 50 km south of Bologna, with the purpose of assessing the atmospheric dispersion of pollutants under drainage flow conditions. The three-dimensional transport and diffusion model
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Record ID:53/404

Date:04/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Joilhan, J. B. Benech
Title:Experimental study of an artificial thermal plume in the bounary layer. Part III: Dynamic structure within the plume
Publication:J. Clim. Appl. Met., 25, 458-467
Abstract:An experimental study of the dynamics within artificial thermal plumes rising in the boundary layer is presented
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Record ID:53/405

Date:11/01/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Nucciarone, J.J., G.S. Young
Title:Aircraft measurements of turbulence spectra in the marine statocumulus-topped boundary layer
Publication:J. Atmos. Sci., 48, 2382-2392
Abstract:Mixed-layer scaling was successfully applied to the velocity, temperature, and moisture spectra of the marine stratocumulus-topped mixed layers observed during the First ISCCP Regional Experiment (FIRE). These turbulence spectra provide considerable insight into the physical phenomena
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Record ID:53/406

Date:01/01/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Stull, R.B.
Title:A convective transport theory for surface fluxes
Publication:J. Atmos. Sci., 51, 3-22
Abstract:For a boundary layer in free convection where turbulent thermal structures communicate information between the surface and the interior of the mixed layer, it is hypothesized that the surface momentum flux can be parameterized by u^2_* = b_Dw_BM_ML, the heat flux by
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Record ID:53/407

Date:03/15/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Chou, S-H., D. Atlas, E-N. Yeh
Title:Turbulence in a convective marine boundary layer
Publication:J. Atmos. Sci., 43, 547-564
Abstract:The structure and kinetic energy budget of turbulence in the convective marine boundary layer as observed by aircraft during a cold air outbreak have been studied using mixed layer scaling. The results are significantly different from those of previous
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Record ID:53/408

Date:08/01/1987
Subject:(53) Planetary/Atmospheric Boundary
Author:Gutman, L.N., I. Apterman
Title:Parameterization of the atmospheric surface layer for use in mesometeorological and planetary boundary layer models
Publication:J. Clim. Appl. Met., 26, 1054-1058
Abstract:An attempt to simplify the method suggested by Kazakov and Lariyeve for surface layer parameterization is done by curve fitting. As result, based on the Monin-Obukhov surface layer similarity theory
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Record ID:53/409

Date:04/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Moilhan, J., B. Benech, G. Letrenne, A. Druilhet, A. Saab
Title:Experimental study of an artificial thermal plume in the boundary layer. Part II: Some aspects of the plume thermodynamical structure
Publication:J. Clim. Appl. Met., 25, 439-457
Abstract:Some aspects of the mean and turbulent structures of artificial thermal plumes in the boundary layer are presented.
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Record ID:53/410

Date:12/01/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Sorbjan, Z.
Title:Evaluation of local similarity functions in the convective boundary layer
Publication:J. Appl. Met., 30, 1565-1583
Abstract:A parameterization method developed by Sorbjan is used to derive expressions for various statistical moments of vertical velocity, potential temperature, and humidity (or passive scalar concentration) in the convective boundary
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Record ID:53/411

Date:03/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Telford, J.W.
Title:Comment on 'Large-scale eddies in the unsteady stratified atmospheric surface layer. Part I: Velocity and temperature structure' and Part II: Turbulent pressure fluctuations and the budgets of heat flux, stress and turbulent kinetic energy'
Publication:J. Atmos. Sci., 43, 499-500
Abstract:NONE
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Record ID:53/412

Date:03/01/1986
Subject:(53) Planetary/Atmospheric Boundary
Author:Wilczak, J.M., J.A. Businger
Title:Reply
Publication:J. Atmos. Sci., 43, 501-502
Abstract:NONE
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Record ID:53/413

Date:05/01/1991
Subject:(53) Planetary/Atmospheric Boundary
Author:Wilczak, J.M., W.F. Dabberdt, R.A. Kropfli
Title:Observations and numerical model simulations of the atmospheric boundary layer in the Santa Barbara coastal region
Publication:J. Appl. Met., 30, 652-673
Abstract:Observations of boundary-layer flow within the Santa Barbara region taken on 20 September 1985 reveal the presence of a wide variety of flow features, including mesoscale wind vortices, sea/land breezes, and thermally driven upslope/downslope winds. Details of these features in particular the mesoscale vortices, are documented with
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Record ID:53/414

Date:09/01/1994
Subject:(53) Planetary/Atmospheric Boundary
Author:Mahrt, L., J. Sun, D. Vickers, J.I. MacPherson, J.R. Pederson, R.L. Desiardins
Title:Observations of fluxes and inland breezes over a heteorogeneous surface
Publication:J. Atmos. Sci., 51, 2484-2499
Abstract:Repeated aircraft runs at about 33 m over heteorogeneous terrain are analyzed to study the spatial variability of the mesoscale flow and turbulent fluxes. An irrigated area, about 12 km across, generates a relatively cool moist inland breeze, As this air flows out over the warmer, drier surrounding land surface, and internal boundary layer develops within the inland breeze, which then terminates at a well-defined
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Record ID:53/415

Date:02/15/1996
Subject:(53) Planetary/Atmospheric Boundary
Author:Braham, Jr., R.R., D.A.R. Kristovich
Title:On calculating the buoyancy of cores in a convective boundary layer.
Publication:J. Atmos. Sci., 53, 4, 654-658.
Abstract:Aircraft measurements of vertical air motions are used in a process of conditional sampling to select updraft and downdraft cores during a period of strong lake-effect convection.
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Record ID:53/416

Date:3/15/1996
Subject:(53) Planetary/Atmospheric Boundary
Author:Wilson, D.K.
Title:Empirical orthogonal function analysis of the weakly convective atmospheric boundary layer. Part I: Eddy structures.
Publication:J. Atmos. Sci., 53, 6, 801-823.
Abstract:Three-dimensional empirical orthogonal functions (EOFs), representing atmospheric turbulence structures, are determined from a large-eddy simulation of a weakly convective, planetary boundary layer.
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Record ID:53/417

Date:3/15/1996
Subject:(53) Planetary/Atmospheric Boundary
Author:Wilson, D.K., J.C. Wyngaard
Title:Empirical orthogonal function analysis of the weakly convective atmospheric boundary layer. Part II: Eddy energetics.
Publication:J. Atmos. Sci., 53, 6, 824-841.
Abstract:Three-dimensional empirical orthogonal functions (EOFs), calculated from a large-eddy simulation of a weakly convective, planetary boundary layer (PBL), are used to decompose statistics for PBL turbulence into contributions from individual structures. The most energetic EOFs, corresponding largely to boundary-layer-spanning eddies, together are responsible for about one-half of the turbulent kinetic energy (TKE) throughout the boundary layer, although they carry a substantial amount of the momentum and heat fluxes only near mid-PBL.
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Record ID:53/418

Date:5/1/1996
Subject:(53) Planetary/Atmospheric Boundary
Author:Weckwerth, T.M., J.W. Wilson, R.M. Wakimoto
Title:Thermodynamic variability within the convective boundary layer due to horizontal convective rolls.
Publication:Mon. Wea. Rev., 124, 5, 769-784.
Abstract:Data from the Convection and Precipitation/Electrification (CaPE) Experiment conducted during the summer of 1991 are used to examine and quantify the horizontal variability of temperature and moisture within the convective boundary layer (CBL).
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Record ID:53/419

Date:5/1/1996
Subject:(53) Planetary/Atmospheric Boundary
Author:Jabouille, P., J.L. Redelsperger, J.P. Lafore
Title:Modification of surface fluxes by atmospheric convection in the TOGA COARE Region.
Publication:Mon. Wea. Rev., 124, 5, 816-837
Abstract:The mesoscale variability of surface heat fluxes induced by atmospheric convection is studied by using 3D cloud explicit simulations and surface observations.
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Record ID:53/420

Date:5/1/1996
Subject:(53) Planetary/Atmospheric Boundary
Author:Langland, R.H., C-S Liou
Title:Implementation of an E-e parameterization of vertical subgrid-scale mixing in a regional model.
Publication:Mon. Wea. Rev., 124, 5, 905-918
Abstract:An E-e parameterization of subgrid-scale vertical turbulent mixing has been installed in NORAPS (Navy Operational Regional Atmospheric Prediction System). The 1.5-order parameterization uses full prognostic equations for turbulence kinetic energy E and dissiipation e with no mixing length l assumption.
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Record ID:53/421

Date:4/15/1996
Subject:(53) Planetary/Atmospheric Boundary
Author:Schrieber, K., R. Stull, Q. Zhang
Title:Distributions of surface-layer buoyancy versus lifting condensation level over a heterogeneous land surface.
Publication:J. Atmos. Sci., 53, 8, 1086-1107
Abstract:Onset and coverage of small cumulus clouds depends on the relative abundance of surface-layer air parcels possessing favorable buoyancy and moisture -- two variables that are coupled through the surface energy budget.
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Record ID:53/422

Date:1/1/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Kramm, G., R. Dlugi, D.H. Lenschow
Title:A re-evaluation of the Webb correction using density-weighted averages.
Publication:J. of Hydrology, 166, 283-292
Abstract:Results from a re-evaluation of the flux correction suggested by Webb et al. are presented and discussed. This re-evaluation is based on the equation of continuity as well as the budget equations for dry air, water vapor and atmospheric trace species, where a density-weighted averaging procedure introduced by Hesselberg is used.
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Record ID:53/423

Date:10/1/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Kramm, G., H. Muller, G. Partenkirchen, R. Dlugi
Title:On the relationship between the roughness length of a scalar quantity and the corresponding sublayer-Stanton number.
Publication:Meteor. Zeitschrift, N.F., 4, 209-212
Abstract:Considering Sheppard's effective diffusivity approach for the molecular-turbulent sublayer, the relationship between the roughness length of a scalar quantity and the corresponding sublayer-Stanton number is re-formulated.
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Record ID:53/424

Date:1/1/1996
Subject:(53) Planetary/Atmospheric Boundary
(66) Stratiform/Stratocu Clouds
Author:Nieuwstadt, F.T.M., P.G. Duynkerke
Title:Turbulence in the atmospheric boundary layer.
Publication:Atmos. Res., 40, 111-142
Abstract:In the atmospheric boundary layer, turbulence dominates the vertical exchange of all meteorologically relevant variables such as momentum, heat and moisture. To describe atmospheric turbulence we usually introduce dimensionless parameters.
Location:Boundary layer - 0
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Record ID:53/425

Date:7/15/1996
Subject:(53) Planetary/Atmospheric Boundary
Author:Sorbjan, Z.
Title:Effects caused by varying the strength of the capping inversion based on a large eddy simultion model of the shear-free convective boundary layer.
Publication:J. Atmos. Sci., 53, 14, 2015-2024
Abstract:Effects caused by variation of the potential temperature lapse rate in the free atmosphere are examined based on a 'large eddy simultion' model of the shear-free convective atmospheric boundary layer.
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Record ID:53/426

Date:7/15/1996
Subject:(53) Planetary/Atmospheric Boundary
Author:Cooper, D.I., W.E. Eichinger, S. Barr, W. Cottingame, M.V. Hynes, C.F. Keller, C.F. Lebeda, D.A. Poling
Title:High-resolution properties of the Equatorial Pacific marine atmospheric boundary layer from lidar and radiosonde observations.
Publication:J. Atmos. Sci., 53, 14, 2054-2075
Abstract:A 'thermostat' mechanism for cooling the Equatorial Pacific is being tested with data collected during the Central Equatorial Pacific Experiment.
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Record ID:53/427

Date:10/1/1995
Subject:(53) Planetary/Atmospheric Boundary
Author:Danilov, S.D., B.M. Koprov, I.A. Sazonov
Title:Approaches to modeling of the atmospheric boundary layer (review).
Publication:Atmos. and Ocean. Phys., English Translation, 31, 2, 173-189
Abstract:A description of various known approaches to modeling the atmospheric boundary layer is presented.
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Record ID:53/428

Date:3/1/1998
Subject:(53) Planetary/Atmospheric Boundary
Author:Khanna, S., J.G. Brasseur
Title:Three-dimensional buoyancy- and shear-induced local structure of the atmospheric boundary layer.
Publication:J. Atmos. Sci., 55, 710-743
Abstract:Three-dimensional visualization together with statistical measures are used to describe the instantaneous local structure of the atmospheric boundary layer under various stability states using large-eddy simulation data.
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Record ID:53/429

Date:2/15/1998
Subject:(53) Planetary/Atmospheric Boundary
Author:Kaiser, R., E. Fedorovich
Title:Turbulence spectra and dissipation rates in a wind tunnel model of the atmospheric convective boundary layer.
Publication:J. Atmos. Sci., 55, 580-594
Abstract:A model of the atmospheric convective boundary layer is realized in the thermally stratified wind tunnel of the Institute of Hydrology and Water Resources, Univ. of Karlsruhe.
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Record ID:53/430

Date:4/1/1998
Subject:(53) Planetary/Atmospheric Boundary
Author:Avissar, R., E.W. Eloranta, K. Gurer, G.J. Tripoli
Title:An evaluation of the large-eddy simulation option of the Regional Atmospheric Modeling System in simulating a convective boundary layer: A FIFE case study.
Publication:J. Atmos. Sci., 55, 1109-1130
Abstract:A LES model was used to simulate the CBL the developed on 1 July 1987, over the domain ofthe FIFE.
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Record ID:53/431

Date:09/01/1999
Subject:(53) Planetary/Atmospheric Boundary
Author:Weckwerth, T. M., T. W. Horst, J. W. Wilson
Title:An observational study of the evolution of horizontal convective rolls
Publication:Mon. Wea. Rev., 127, pp. 2160-2179
Abstract:A comprehensive observational dataset encompassing the entire temporal evolution of horizontal convective rolls was obtained for the first time.
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Record ID:53/432

Date:10/01/1999
Subject:(53) Planetary/Atmospheric Boundary
Author:Renfrew, I. A., G. W. K. Moore
Title:An extreme cold-air outbreak over the labrador sea: Roll vorticies and air-sea interaction
Publication:Mon. Wea. Rev., 127, pp. 2379-2394
Abstract:Observational data from two research aircraft flights are presented. The flights were planned to investigate the air-sea interaction during an extreme cold-air outbreak, associated with the passage of a synoptic-scale low pressure system over the Labrador Sea during 8 February 1997.
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Record ID:53/433

Date:05/01/2001
Subject:(53) Planetary/Atmospheric Boundary
Author:Canuto, V.M., Y. Cheng, A. Howard
Title:New third-order moments for the convective boundary layer
Publication:J. Atmos. Sci., 58, 1169-1179
Abstract:Turbulent convection is inherently a nonlocal phenomenon and a primary condition for a successful treatment of the convective boundary layer is a reliabile model of nonlocality.
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Record ID:53/434

Date:05/01/2001
Subject:(53) Planetary/Atmospheric Boundary
Author:Yi, C., K. Davis, B. Berger, P. Bakwin
Title:Long-Term Observations of the Dynamics of the Continental Planetary Boundary Layer
Publication:Journal of the Atmospheric Sciences Vol. 58, 1288-1299
Abstract:Time series of mixed layer depth,zi, and stable boundary layer height from March through October of 1998 are derived from a 915-MHz boundary layer profiling radar and CO2 mixing ratio measured from a 447-m tower in northern Wisconsin
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Record ID:53/435

Date:06/15/2001
Subject:(53) Planetary/Atmospheric Boundary
Author:Johansson, C., A-S. Smedman, U. Hogstrom, J.G. Brasseur, S. Khanna
Title:Critical test of the validity of monin-obukhiv simularity during convective conditions
Publication:J. of Atmos. Sci.,58, 1549-1566
Abstract:A recent study of convective boundary layer characteristics performed with large eddy simulation technique (LES) has demonstrated unexpected influence
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Record ID:53/436

Date:3/15/2002
Subject:(53) Planetary/Atmospheric Boundary
Author:Hourdin, F., F. Couvreux, L. Menut
Title:Parameterization of the Dry Convective Boundary Layer Based on a Mass Flux Representation of Thermals
Publication:J. Atmos. Sci., 59, 1105-1123
Abstract:Presented is a mass flux parameterization of vertical transport in the convective boundary layer.
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Record ID:53/437

Date:3/15/2002
Subject:(53) Planetary/Atmospheric Boundary
Author:Kimmel, S.J., J.C. Wyngaard, M.J. Otte
Title:
Publication:J. Atmos. Sci., 59, 1124-1134
Abstract:Turbulent fluctuations of a conservative scalar in the atmospheric boundary layer (ABL) can be generated by a scalar flux at the surface, a scalar flux of entertainment at the ABL top, and the
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Record ID:53/438

Date:2/15/2002
Subject:(53) Planetary/Atmospheric Boundary
Author:Dubrulle, B., J.P. Laval, P.P. Sullivan, J. Werne
Title:A New Dynamical Subgrid Model for the Planetary Surface Layer. Part I: The Model and A Priori Tests
Publication:J. Atmos. Sci., 59, 861-876
Abstract:A new dynamical subgrid model for turbulent flow in the surface layer of the planetary boundary layer is presented.
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Record ID:53/439

Date:2/15/2002
Subject:(53) Planetary/Atmospheric Boundary
Author:Dubrulle, B., J.P. Laval, P.P. Sullivan
Title:A New Dynamical Subgrid Model for the Planetary Surface Layer. Part II: Analytical Computation of Fluxes, Mean Profiles, and Variances
Publication:J. Atmos. Sci., 59, 877-891
Abstract:A new dynamical subgrid model for turbulent flow is used to derive the structure of the heat and momentum fluxes.
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Record ID:53/440

Date:4/15/2002
Subject:(53) Planetary/Atmospheric Boundary
Author:von Salzen, K., N. McFarlane
Title:Parameterization of the Bulk Effects of Lateral and Cloud-Top Entrainment in Transient Shallow Cumulus Clouds
Publication:J. Atmos. Sci., 59, 1405-1429
Abstract:A parameterization of shallow cumulus clouds for use in atmospheric general circulation models is proposed.
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Record ID:53/441

Date:06/15/02
Subject:(53) Planetary/Atmospheric Boundary
Author:Zhu, P., Albrecht, B.
Title:A theoretical and Observational Analysis on the Formation of Fair-Weather Cumuli
Publication:J. of Atmos. Sci. Vol. 59
Abstract:The formation of fair-weather cumuli (FWC) has been analyzed in this study based on both simple mixed layer model
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Record ID:53/442

Date:10/9/1973
Subject:(53) Planetary/Atmospheric Boundary
Author:Lenschow, D.H.
Title:Model of the Height Variation of the Turbulence Kinetic Energy Budget in the Unstable Planetary Boundary Layer
Publication:J. of Atmos. Sci. Vol.31
Abstract:A model is proposed for the variation with height of the terms in the turbulence kinetic energy budget
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Record ID:53/443

Date:07/2002
Subject:(53) Planetary/Atmospheric Boundary
(10) Boundary Layer Dynamics And Thermal Convection
Author:Lane, T.P., T.L. Clark
Title:Gravity waves generated by the dry convective boundary layer: Two-Dimensional scale selection and boundary-layer feedback
Publication:Q.J.R. Meteorol. Soc., 128, 1543-1570
Abstract:This study examines the generation of gravity waves by the dry convective boundary layer in two dimensions.
Location:
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Record ID:53/444

Date:2001
Subject:(53) Planetary/Atmospheric Boundary
(66) Stratiform/Stratocu Clouds
(19) Cumulus
Author:Larson, V.E., J.-C. Golaz, and W.R. Cotton
Title:Parameterizing boundary layer clouds using PDF methods
Publication:Proc. 9th Conference on Mesoscale Processes, Ft. Lauderdale, FL. 30 July-2 August 2001, AMS, 67-71
Abstract:none
Location:reprints box 42
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Record ID:53/445

Date:2000
Subject:(53) Planetary/Atmospheric Boundary
Author:Larson, V.E., R. Wood, P.R. Field, J.C. Golaz, T.H. Vonder, W.R. Cotton
Title:Variability of thermodynamic properties of clouds
Publication:13th International Conference on Cloud and Precipitation, 14-18 August, Reno, NV. ICCP, IAMAS, IUGG
Abstract:none
Location:reprints box 40
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Record ID:53/446

Date:1999
Subject:(53) Planetary/Atmospheric Boundary
(76) Oceanography
(71) Tropical Meteorology
Author:Costa, A.A., W.R. Cotton, R.A. Pielke, H. Jiang
Title:Combined ocean-cloud resolving model of the western Pacific warm pool coupled system
Publication:23rd Conference on Hurricanes and Tropical Meteorology. 79th AMS Annual Meeting, 10-15 Jan. Dallas, TX.
Abstract:none.
Location:reprints box 38
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Record ID:53/447

Date:1999
Subject:(53) Planetary/Atmospheric Boundary
(76) Oceanography
(71) Tropical Meteorology
Author:Costa, A.A., W.R. Cotton, R.A. Pielke
Title:Barrier-layer/warm-layer simulation of the influence of clouds and precipitation
Publication:13th Conference on Boundary Layers and Turbulence. 79th AMS Annual Meeting, 10-15 Jan. 1999, Dallas, TX.
Abstract:none.
Location:reprints box 38
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Record ID:53/448

Date:1/1/2002
Subject:(53) Planetary/Atmospheric Boundary
Author:Stevens, B., J. Duan, J.C. McWilliams, M.Munnich, J.D. Neelin
Title:Entrainment, Rayleigh Friction and Boundary Layer Winds over the Tropical Pacific
Publication:J. Climate, 15, 30-44
Abstract:Winds over the tropical Pacific are interpreted using mixed-layer theory.
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Record ID:53/449

Date:7/15/2002
Subject:(53) Planetary/Atmospheric Boundary
(19) Cumulus
(39) Large Eddy Simulation
Author:B. Stevens, Ackerman, A.S., Albrecht, B.A., Brown, A.R., Chlond, A., Cuxart, J., Duynkerke, P.G., Lewellen, D.C., Macvean, M.K., Neggers, R.A.J., Sanchez, E., Siebesma, A.P., Stevens, D.E.
Title:Simulations of Trade Wind Cumuli under a Strong Inversion
Publication:J. Atmos. Sci., 58, 1870-1891
Abstract:The fifth intercomparison of the Global Water and Energy Experiment Cloud System Studies Working Group 1 is used as a vehicle for better understanding the dynamics of trade wind cumuli capped by a strong inversion.
Location:3
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Record ID:53/450

Date:3/2002
Subject:(53) Planetary/Atmospheric Boundary
Author:Stevens, B.
Title:Quasi-Steady Analysis of a PBL Model with an Eddy-Diffusivity Profile and Nonlocal Fluxes
Publication:Mon. Wea. Rev., 128, 824-836
Abstract:Analytic solutions to a planetary boundary layer (PBL) with an eddy-diffusivity (i.e. a K Profile) and nonlocal fluxes are presented for the quasi-steady regime.
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Record ID:53/451

Date:12/15/2002
Subject:(53) Planetary/Atmospheric Boundary
(66) Stratiform/Stratocu Clouds
Author:Larson,V.E., J.-C. Golaz, W.R. Cotton
Title:Small-scale and mesoscale variability in cloudy boundary layers: Joint probability density functions
Publication:J. Atmos. Sci., 59, 3519-3539
Abstract:The joint probability density function (PDF) of vertical velocity and conserved scalars is important for at least two reasons.
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Record ID:53/452

Date:12/15/2002
Subject:(53) Planetary/Atmospheric Boundary
(66) Stratiform/Stratocu Clouds
Author:Golaz, J.-C., V.E. Larson, W.R. Cotton
Title:A PDF-based model for boundary layer clouds. Part I: Method and model description
Publication:J. Atmos. Sci., 59, 3540-3551
Abstract:A new cloudy boundary layer single-colum model is presented.
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Record ID:53/453

Date:12/15/2002
Subject:(53) Planetary/Atmospheric Boundary
(66) Stratiform/Stratocu Clouds
Author:Golaz, J.-C., V.E. Larson, W.R. Cotton
Title:A PDF-based model for boundary layer clouds. Part II: Model results
Publication:J. Atmos. Sci., 59, 3552-3571
Abstract:A new single-column model for the cloudy boundary layer, described in a companion paper, is tested for a variety of regimes.
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Record ID:53/454

Date:04/01/2002
Subject:(53) Planetary/Atmospheric Boundary
Author:Poulos, G.S., W.Blumen, D.C. Fritts, J.K. Lundquist, J. Sun, S.P. Burns, C. Nappo, R. Banta, R. Newsom, J. Buxart, E. Terradellas, B. Balsey, M. Jensen
Title:CASES-99: A comprehensive investigation of the stable nocturnal boundary layer
Publication:Bull. Amer. Met. Soc., 555-581
Abstract:CASES-99 considers four scientific questions primarily related to the stable, nocturnal boundary layer, including the transition periods.
Location:3
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Record ID:53/455

Date:10/01/2006
Subject:(53) Planetary/Atmospheric Boundary
(10) Boundary Layer Dynamics And Thermal Convection
Author:Gu, Z., Y. Zhao, Y. Li, Y. Yu, X. Feng
Title:Numerical simulation of dust lifting within dust devils--simulation of an intense vortex
Publication:J. Atmos. Sci., 63, 2630-2641.
Abstract:Based on an advanced dust devil-scale large-eddy simulation (LES) model, the atmosphere flow of a modeled dust devil in a quasi-steady state was first simulated to illustrate the characteristics of the gas phase field in the mature stage...
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Record ID:53/456

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