Search Results - "WALMSLEY, J. L"

Mechanisms for surface ozone depletion and recovery during polar sunrise by Gong, S.L., Walmsley, J.L., Barrie, L.A., Hopper, J.F.

“…As part of the Polar Sunrise Experiment (PSE 94) in April 1994, vertical profiles of ozone concentration, temperature and wind speed above an Arctic Ocean…”
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Boundary-layer flow over topography : Impacts of the Askervein study by WALMSLEY, J. L, TAYLOR, P. A

“…One of the objectives of the Askervein Hill Project was to obtain a comprehensive and accurate dataset for verification of models of flow and turbulence over…”
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A mixed spectral finite-difference model for neutrally stratified boundary-layer flow over roughness changes and topography by BELJAARS, A. C. M, WALMSLEY, J. L, TAYLOR, P. A

“…A linear model for neutral surface-layer flow over complex terrain is presented. The spectral approach in the two horizontal coordinates and the…”
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A simple model of neutrally stratified boundary-layer flow, over complex terrain with surface roughness modulations (MS3DJH/3R) by WALMSLEY, J. L, TAYLOR, P. A, KEITH, T

“…The MS3DJH series of simple models of flow over low hills and other terrain features described in earlier papers (see Taylor et al., 1983) required that the…”
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A simple model of neutrally stratified boundary-layer flow over real terrain incorporating wavenumber-dependent scaling by TAYLOR, P. A, WALMSLEY, J. L, SALMON, J. R

“…The authors' experience in applying earlier versions of a model of boundary layer flow over low hills to real terrain (Walmsley et al., 1982) has led to the…”
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Modification of coded parametrizations of surface resistances to gaseous dry deposition by Walmsley, John L., Wesely, Marvin L.

“…The parametrization scheme presented by Wesely (1989, Atmospheric Environment 23, 1293–1304) for surface resistance to gaseous dry deposition is examined. Some…”
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The Askervein Hill Project: mean wind variations at fixed heights above ground by SALMON, J. R, BOWEN, A. J, HOFF, A. M, JOHNSON, R, MICKLE, R. E, TAYLOR, P. A, TETZLAFF, G, WALMSLEY, J. L

“…The Askervein Hill Project presents results on the variations in mean wind speed at fixed heights ( Delta z) above the ground from linear arrays of anemometer…”
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Estimation of sulphate concentration in high elevation fog in Northeastern North America by Urquizo, Natty, Brook, Jeffrey R, Walmsley, John L, Burrows, William R

“…Alternate approaches for estimating deposition of acidifying compounds by fog are needed. This paper presents empirical models for estimating concentration of…”
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Modelling of turbulence over low hills and varying surface roughness by Beljaars, A. C. M., Walmsley, J. L., Taylor, P. A.

“…Neutral surface layer flow over low hills and varying surface roughness is considered with emphasis on closure schemes in relation to the prediction of…”
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The statistical prediction of offshore winds from land-based data for wind-energy applications by WALMSLEY, John L, BARTHELMIE, Rebecca J, BURROWS, William R

“…Land-based meteorological measurements at two locations on the Danish coast are used to predict offshore wind speeds. Offshore wind-speed data are used only…”
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Estimates of wind speed perturbation in boundary-layer flow over isolated low hills ? Solutions by Walmsley, J. L., Taylor, P. A.

“…A computationally efficient model--the MS3DJH--was used to predict the near-surface windspeed variations over a given idealized twin hill. The model…”
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The Use of Routine Weather Observations to Calculate Liquid Water Content in Summertime High-Elevation Fog by Walmsley, John L., Burrows, William R., Schemenauer, Robert S.

“…This paper represents a stage within a larger project to estimate acid ion deposition from cloud impacting on high-elevation forests. Acid ion deposition…”
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Proposal for new PBL resistance laws for neutrally-stratified flow by WALMSLEY, J. L

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Surface-layer flow in complex terrain : comparison of models and full-scale observations by WALMSLEY, J. L, TROEN, I, LALAS, D. P, MASON, P. J

“…Four models of surface boundary-layer flow in complex terrain are compared with observations made at Blashaval Hill, North Uist, Scotland. The field experiment…”
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Modification of blending procedure in a proposed new PBL resistance law by CLAUSSEN, M, WALMSLEY, J. L

“…Walmsley's (1992) proposal for a new PBL Resistance Law required blending between surface- and matched-layer logarithmic velocity profiles. Here it is…”
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The mixed spectral finite-difference (MSFD) model : improved upper boundary conditions by KARPIK, S. R, WALMSLEY, J. L, WENSONG WENG

“…The Mixed Spectral Finite-Difference (MSFD) model for neutrally stratified, turbulent surface-layer flow has been shown to produce accurate, computationally…”
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On theoretical wind speed and temperature profiles over the sea with applications to data from sable island, Nova Scotia by Walmsley, John L.

“…In October 1985, the Boundary-Layer Research Division of the Atmospheric Environment Service conducted an experiment on Sable Island, Nova Scotia, where 10-m…”
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A mixed spectral finite-difference model for pollutant concentrations over a hill by PADRO, J, WALMSLEY, J. L

“…Given incident logarithmic profiles of wind and pollutant concentration above a rough, absorbing surface, the three-dimensional distribution of pollutant…”
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Shear stress results from a mixed spectral finite-difference model: application to the Askervein Hill project data by WALMSLEY, J. L, PADRO, J

“…Beljaars et al. (1987) developed a model for neutrally stratified boundary-layer flow over roughness changes and topography. It has been discovered that a…”
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A Method for Estimating the Hydrologic Input from Fog in Mountainous Terrain by Walmsley, John L., Schemenauer, Robert S., Bridgman, Howard A.

“…A methodology for obtaining estimates of the spatial distribution of fog water volume collected by a tree canopy in complex terrain is described. The method…”
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