Intercomparison and interpretation of climate feedback processes in 19 atmospheric general circulation models
| Autor: | Steven J. Ghan, Michel Déqué, Warren M. Washington, V. P. Meleshko, H. Le Treut, B. J. McAvaney, U. Schlese, D. A. Sheinin, Jean-Jacques Morcrette, J. P. Blanchet, Jean-François Royer, David A. Randall, Andrew A. Lacis, V. Galin, A. P. Sokolov, Jeffrey T. Kiehl, Z. X. Li, W. L. Gates, Minghua Zhang, Karl E. Taylor, George J. Boer, L. Rikus, Gerald L. Potter, A. D. Del Genio, R. D. Cess, Xin-Zhong Liang, V. P. Dymnikov, Erich Roeckner, I. Yagai, A. Slingo, John F. B. Mitchell, R. T. Wetherald |
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| Předmět: |
Atmospheric Science
Meteorology Atmospheric circulation Soil Science Climate change Aquatic Science Oceanography Cloud feedback Physics::Geophysics Geochemistry and Petrology Earth and Planetary Sciences (miscellaneous) Radiative transfer Sensitivity (control systems) Greenhouse effect Physics::Atmospheric and Oceanic Physics Earth-Surface Processes Water Science and Technology Ecology Mathematical model Paleontology Forestry Sea surface temperature Geophysics Space and Planetary Science Climatology Environmental science |
| Zdroj: | Scopus-Elsevier |
| Popis: | The present study provides an intercomparison and interpretation of climate feedback processes in 19 atmospheric general circulation models. This intercomparison uses sea surface temperature change as a surrogate for climate change. The interpretation of cloud-climate interactions is given special attention. A roughly threefold variation in one measure of global climate sensitivity is found among the 19 models. The important conclusion is that most of this variation is attributable to differences in the models' depiction of cloud feedback, a result that emphasizes the need for improvements in the treatment of clouds in these models if they are ultimately to be used as reliable climate predictors. It is further emphazied that cloud feedback is the consequence of all interacting physical and dynamical processes in a general circulation model. The result of these processes is to produce changes in temperature, moisture distribution, and clouds which are integrated into the radiative response termed cloud feedback. |
| Databáze: | OpenAIRE |
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