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The sensitivity of the climate to the location of tropical warming

PI: Joseph Barsugli
Institution: University of Colorado, Boulder
Additional Investigators: Sang-Ik Shin, Prashant Sardeshmukh
Abstract:
We are interested in studying how the projected changes in the patterns of SST and precipitation (and hence latent heating) in the tropics impacts global model sensitivity. We have developed insight into this using one atmosphere GCM, and have developed a linear "Green's function" prediction model based on this. We would like to test our Green's function model by applying it to projected SST fields. In addition, we also have developed a consistent way to force an atmosphere GCM with latent heating anomalies, and would like to compare the dynamical response in a single GCM to such forcings derived from the precipitation fields of different models (since it appears that 3-D heating fields are not available).
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