Parametric relations for the atmospheric boundary layer |
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Authors: | S. P. S. Arya |
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Affiliation: | (1) Department of Marine, Earth and Atmospheric Sciences North Carolina State University, 27695 Raleigh, NC, USA |
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Abstract: | Some parametric relations for the atmospheric planetary boundary layer (PBL) are suggested for possible use in the various atmospheric circulation and air quality models, as well as in other applications. These are for parameterizing the mean wind and temperature profiles, the vertical fluxes of momentum, heat and moisture, the variances of velocity fluctuations and length and time scales in the PBL. The parametric relations for the PBL height, the vertical velocity at the top of the PBL and the total energy dissipation in the PBL are also discussed. Experimental and/or theoretical bases for the various parametric relation are given. Some of the suggested parameterizations should be considered as tentative, until they are properly validated. |
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