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Interpretation of snow-climate feedback as produced by 17 general circulation modelsSnow feedback is expected to amplify global warming caused by increasing concentrations of atmospheric greenhouse gases. The conventional explanation is that a warmer earth will have less snow cover, resulting in a darker planet that absorbs more solar radiation. An intercomparison of 17 general circulation models, for which perturbations of sea surface temperature were used as a surrogate climate change, suggests that this explanation is overly simplistic. The results instead indicate that additional amplification or moderation may be caused both by cloud interactions and longwave radiation. One measure of this net effect of snow feedback was found to differ markedly among the 17 climate models, ranging from weak negative feedback in some models to strong positive feedback in others.
Document ID
19920031563
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Cess, R. D.
(State Univ. of New York Stony Brook, NY, United States)
Zhang, M.-H.
(New York, State University Stony Brook, United States)
Potter, G. L.
(Lawrence Livermore National Laboratory Livermore, CA, United States)
Blanchet, J.-P.
(Canadian Climate Centre Downsview, Canada)
Chalita, S.
(CNRS Laboratoire de Meteorologie Dynamique, Paris, France)
Colman, R.
(Bureau of Meteorology, Research Centre Melbourne, Australia)
Dazlich, D. A.
(Colorado State University Fort Collins, United States)
Del Genio, A. D.
(State Univ. of New York Stony Brook, NY, United States)
Lacis, A. A.
(NASA Goddard Institute for Space Studies New York, United States)
Dymnikov, V.
(AN SSSR Otdel Vychislitel'noi Matematiki, Moscow, Ussr)
Date Acquired
August 15, 2013
Publication Date
August 23, 1991
Publication Information
Publication: Science
Volume: 253
ISSN: 0036-8075
Subject Category
Meteorology And Climatology
Accession Number
92A14187
Funding Number(s)
CONTRACT_GRANT: DE-FG02-89ER-69027
CONTRACT_GRANT: NAG5-1058
CONTRACT_GRANT: BMFT-KFT-05/6
CONTRACT_GRANT: EEC-EV4C-0066-F
CONTRACT_GRANT: W-7405-ENG-48
CONTRACT_GRANT: DE-FG02-85ER-60314
CONTRACT_GRANT: DE-AI01-80EV-10220
Distribution Limits
Public
Copyright
Other

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