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Elementary analytic models of climate. 1: The mean global heat balanceClimate models based on global radiative equilibrium are normally so complicated that they require extensive computer codes to provide adequate accuracy. However, by simply modifying the concept of a gray atmosphere, a reasonably correct mean global temperature is obtained. This elementary model is then used to estimate the effects of changes in the abundances of minor infrared absorbers and changes in the solar constant or earth albedo. When applied to a Budyko-Sellers zonally averaged model, the quasi-gray model could give a physical basis for the latitude dependence of outgoing radiation and of opacity due to H2O vapor content. The latter effect constitutes an important positive feedback on surface temperature.
Document ID
19790010343
Document Type
Contractor Report (CR)
Authors
Chamberlain, J. W. (Rice Univ. Houston, TX, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1979
Subject Category
GEOPHYSICS
Report/Patent Number
NASA-CR-158155
Funding Number(s)
CONTRACT_GRANT: NSG-7043
CONTRACT_GRANT: EY-76-C-03-045
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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