PCMDI > WCRP CMIP3 Model Output > Diagnostic Subprojects

PI:	George Boer
Institution:	Canadian Centre for Climate Modelling and Analysis
Abstract:
We propose to follow the methods of Boer and Yu (2003) to obtain the spatial pattern of climate feedbacks for the models submitting data to the IPCC. The feedbacks are also decomposed into changes associated with clear-sky, cloud, shortwave and longwave components as is the evolving global sensitivity. A statistical comparison of feedback/sensitivity results is undertaken to indicate in which components and which geographical areas models agree and disagree. Data: (time series of monthly or annual gridded fields of) - radiative forcing (clear and all sky) - surface temperature - radiative fluxes at the TOA and the surface (clear and all sky) - evaporation, precipitation, sensible heat fluxes Reference: Boer, G.J. and B. Yu, 2003: Climate sensitivity and response. Clim. Dyn., 20, 415-429. Proponents: George Boer and Bin Yu – other participants welcome.
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