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A Moist Benchmark Calculation for Atmospheric General Circulation Models
- Article from:
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Journal of Climate
- Article date:
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October 1, 2008
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Copyright informationCopyright American Meteorological Society Oct 1, 2008. Provided by ProQuest LLC. (Hide copyright information)
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ABSTRACT
A benchmark calculation is designed to compare the climate and climate sensitivity of atmospheric general circulation models (AGCMs). The experimental setup basically follows that of the aquaplanet experiment (APE) proposed by Neale and Hoskins, but a simple mixed layer ocean is embedded to enable air-sea coupling and the prediction of surface temperature. In calculations with several AGCMs, this idealization produces very strong zonal-mean flow and exaggerated ITCZ strength, but the model simulations remain sufficiently realistic to justify the use of this framework in isolating key differences between models. Because surface temperatures are free to respond to model differences, ...
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