Search Results - "Walmsley, John L"

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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Guidelines for airflow over complex terrain: model developments by Weng, Wensong, Taylor, Peter A, Walmsley, John L

“…The “Guidelines” for estimating wind speed variations in boundary–layer flow over hills and other terrain features as well as within internal boundary layers…”
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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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A two-site correlation model for wind speed, direction and energy estimates by Salmon, James R., Walmsley, John L.

“…A two-site wind correlation model was first modified and then tested on long-term data from five pairs of Canadian weather stations. The stations were chosen…”
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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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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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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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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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Internal boundary-layer height formulae ― a comparison with atmospheric data by WALMSLEY, J. L

“…The height of the internal boundary layer (IBL) downwind of a step change in surface roughness is computed by using formulas of Elliott (1958), Jackson (1976),…”
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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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On the application of a model of boundary-layer flow over low hills to real terrain by Walmsley, John L., Salmon, J. R., Taylor, P. A.

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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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On the numerical accuracy of trajectory models for long-range transport of atmospheric pollutants by Walmsley, John L., Mailhot, Jocelyn

“…A method to evaluate the accuracy of trajectory models for the Long-Range Transport of Atmospheric Pollutants (LRTAP) is described. The method involves…”
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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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Modelling the spatial variations of wind speed and direction on Roundtop Mountain, Quebec by Bridgman, Howard A., Walmsley, John L., Schemenauer, Robert S.

“…A computer model for wind flow in complex terrain (MS-Micro/3) is applied to the Roundtop Mountain complex (maximum elevation 970 m above sea level) in…”
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A method of correlating wind data between two stations with application to the Alberta oil sands by Walmsley, John L., Bagg, David L.

“…Two years of hourly wind data from two stations, Fort McMurray and Mildred Lake, in the Alberta Oil Sands area are examined by means of contingency tables of…”
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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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Modification of coded parameterizations of surface resistances to gaseous dry deposition by Walmsley, John L, Wesely, Marvin L

“…The parameterization scheme presented by Wesely (1989, Atmospheric Environment 23, 1293-1304) for surface resistance to gaseous dry deposition is examined…”
Get full text