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Cloud feedback - A stabilizing effect for the early earthThe effect of variations in cloud cover, optical properties, and fractional distribution with altitude on the mean surface temperature of a model of the early earth has been investigated. In all cases examined, cloud-climate feedbacks result in temperatures greater than those in models with no cloud feedbacks. If the model of hydrospheric feedback effects is correct, then cloud feedbacks are as important to the climate as changes in solar luminosity and atmospheric composition during the earth's atmospheric evolution. In particular, the early earth need not become completely ice-covered if strong negative cloud feedbacks occur. However, until a proper understanding of cloud feedbacks is available, conclusions regarding conditions in the early atmosphere must remain in doubt.
Document ID
19820060914
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Rossow, W. B.
(NASA Goddard Inst. for Space Studies New York, NY, United States)
Weinreich, S. K.
(NASA Goddard Institute for Space Studies New York, NY, United States)
Henderson-Sellers, A.
(NASA Goddard Inst. for Space Studies New York, NY, United States)
Date Acquired
August 10, 2013
Publication Date
September 24, 1982
Publication Information
Publication: Science
Volume: 217
Subject Category
Geosciences (General)
Accession Number
82A44449
Distribution Limits
Public
Copyright
Other

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