Physics
Scientific paper
May 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986isls.conf...23g&link_type=abstract
In ESA Proceedings of an International Satellite Land-Surface Climatology Project (ISLSCP) Conference p 23-36 (SEE N87-15544 07-
Physics
Air Land Interactions, Atmospheric Circulation, Dynamic Models, Earth Surface, Parameterization, Planetary Boundary Layer, Atmospheric Turbulence, E Region, Earth Albedo, F Region, Hydrology Models, Snow Cover
Scientific paper
General circulation model (GCM) parameterizations of subgrid scale physical processes are reviewed. The E layer physics is a static stability-dependent parameterization of turbulent vertical mixing in the surface boundary layer, planetary boundary layer, and free atmosphere. The optional F physics is similar to E, but employs the Arakawa-Schubert cumulus parameterization instead of moist convective adjustment. A specification of land surface albedo based upon CLIMAP data and a parameterization of snow albedo that depends on land surface type, snow melt, and snow depth are being tested. A water bucket model of the land surface hydrology is used. The impact of E and F physics on one month GCM forecasts and the results of a GCM soil moisture sensitivity experiment are discussed.
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