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Clouds and ocean-atmosphere interactions. Final report, September 15, 1992--September 14, 1995
Author(s) -
David A. Randall,
Tommy G. Jensen
Publication year - 1995
Language(s) - English
Resource type - Reports
DOI - 10.2172/132693
Subject(s) - climate model , general circulation model , climatology , atmosphere (unit) , environmental science , climate change , flux (metallurgy) , meteorology , global warming , climate system , climate commitment , atmospheric sciences , geography , effects of global warming , geology , oceanography , materials science , metallurgy
Predictions of global change based on climate models are influencing both national and international policies on energy and the environment. Existing climate models show some skill in simulating the present climate, but suffer from many widely acknowledged deficiencies. Among the most serious problems is the need to apply ``flux corrections`` to prevent the models from drifting away from the observed climate in control runs that do not include external perturbing influences such as increased carbon dioxide (CO{sub 2}) concentrations. The flux corrections required to prevent climate drift are typically comparable in magnitude to the observed fluxes themselves. Although there can be many contributing reasons for the climate drift problem, clouds and their effects on the surface energy budget are among the prime suspects. The authors have conducted a research program designed to investigate global air-sea interaction as it relates to the global warming problem, with special emphasis on the role of clouds. Their research includes model development efforts; application of models to simulation of present and future climates, with comparison to observations wherever possible; and vigorous participation in ongoing efforts to intercompare the present generation of atmospheric general circulation models

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