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The GISS model of the global atmosphereA description and numerical results are presented for a global atmospheric circulation model developed at the Goddard Institute for Space Studies (GISS). The model version described is a 9-level primitive-equation model in sigma coordinates. It includes a realistic distribution of continents, oceans and topography. Detailed calculations of energy transfer by solar and terrestrial radiation make use of cloud and water vapor fields calculated by the model. The model hydrologic cycle includes two precipitation mechanisms: large-scale supersaturation and a parameterization of subgrid-scale cumulus convection. Results are presented both from a comparison of the 13th to the 43rd days (January) of one integration with climatological statistics, and from five short-range forecasting experiments. In the extended integration, the near-equilibrium January-mean model atmosphere exhibits an energy cycle in good agreement with observational estimates, together with generally realistic zonal mean fields of winds, temperature, humidity, transports, diabatic heating, evaporation, precipitation, and cloud cover.
Document ID
19740037278
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Somerville, R. C. J.
Stone, P. H.
Halem, M.
Hansen, J. E.
Hogan, J. S.
Druyan, L. M.
Quirk, W. J.
(NASA Goddard Institute for Space Studies New York, N.Y., United States)
Russell, G.
Lacis, A. A.
(NASA Goddard Institute of Space Studies; Computer Sciences Corp. New York, N.Y., United States)
Tenenbaum, J.
(NASA Goddard Institute for Space Studies, New York; New York, State University Purchase, N.Y., United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1974
Publication Information
Publication: Journal of the Atmospheric Sciences
Volume: 31
Subject Category
Meteorology
Accession Number
74A20028
Distribution Limits
Public
Copyright
Other

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