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COMPARISON OF MEASURED AND MODELED SURFACE FLUXES OF HEAT, MOISTURE, AND CHEMICAL DRY DEPOSITION
Citation:
Pleim, J., J.F. Clarke, P.L. Finkelstein, E. Cooter, T. Ellestad, A. Xiu, AND W. Angevine. COMPARISON OF MEASURED AND MODELED SURFACE FLUXES OF HEAT, MOISTURE, AND CHEMICAL DRY DEPOSITION. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/A-95/150 (NTIS PB96139175), 1995.
Description:
Realistic air quality modeling requires accurate simulation of both meteorological and chemical processes within the planetary boundary layer (PBL). n vegetated areas, the primary pathway for surface fluxes of moisture as well a many gaseous chemicals is through vegetative transpiration. herefore, we have been developing a more advanced land surface and PBL model for mesoscale models as described by Pleim and Xiu (1995). e are also developing a dry deposition model which uses many of the same parameters computed in the evapotranspiration model. oe evaluation of the surface energy fluxes, dry deposition velocities, and PBL evolution, we compare model simulations to field measurements made near Bondville, Illinois during the summer of 1994 (Finkelstein et al., 1995). he field data include eddy correlation measurements of fluxes of heat, momentum, water vapor, carbon dioxide, sulfur dioxide, and ozone. lso, PBL of both meteorological and chemical surface fluxes, as well as PBL processes, provide an excellent test for our combined land surface and dry deposition model.
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COMPARISON OF MEASURED AND MODELED SURFACE FLUXES OF HEAT, MOISTURE, AND CHEMICAL DRY DEPOSITION