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On the Effect of Historical SST Patterns on Radiative Feedback
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2022
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Source: Journal of Geophysical Research: Atmospheres, 127(18)
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Journal Title:Journal of Geophysical Research: Atmospheres
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Description:We investigate the dependence of radiative feedback on the pattern of sea-surface temperature (SST) change in 14 Atmospheric General Circulation Models (AGCMs) forced with observed variations in SST and sea-ice over the historical record from 1871 to near-present. We find that over 1871–1980, the Earth warmed with feedbacks largely consistent and strongly correlated with long-term climate sensitivity feedbacks (diagnosed from corresponding atmosphere-ocean GCM abrupt-4xCO2 simulations). Post 1980, however, the Earth warmed with unusual trends in tropical Pacific SSTs (enhanced warming in the west, cooling in the east) and cooling in the Southern Ocean that drove climate feedback to be uncorrelated with—and indicating much
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Source:Journal of Geophysical Research: Atmospheres, 127(18)
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ISSN:2169-897X;2169-8996;
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Rights Information:Other
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Rights Statement:Crown copyright. This article is published with the permission of the Controller of HMSO and the Queen's Printer for Scotland.
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