General circulation model intercomparisons for understanding climate

Robert D. Cess

doi:10.1117/12.21359

1 September 1990 General circulation model intercomparisons for understanding climate

Robert D. Cess

Proceedings Volume 1299, Long-Term Monitoring of the Earth's Radiation Budget; (1990) https://doi.org/10.1117/12.21359
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

Understanding the cause of differences among general circulation model pro jections of carbon dioxideinduced climatic change is a necessary step toward improving the models. An intercomparison of 17 atmospheric general circulation models for which sea surface temperature perturbations were used as a surrogate climate change showed that there was a roughly threefold variation in global climate sensitivity. Most of this variation Is attributable to to differences in the models'' depictions of cloudclimate feedback a result that emphasizes the need for improvements In the treatment of clouds in these models if they are ulti mately to be used as climatic predictors.

Citation Download Citation

Robert D. Cess "General circulation model intercomparisons for understanding climate", Proc. SPIE 1299, Long-Term Monitoring of the Earth's Radiation Budget, (1 September 1990); https://doi.org/10.1117/12.21359

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