Project schematic.  (Top)  Observed ocean state of the mid-1990s is  (Middle)  used to initialize CGCM forced by BAU scenario.  This gives data (precip, snow, temperature, etc.) that is (Bottom)  downscaled to 40km grid over the western US for subsequent impact analysis. Impacts: The lower right panel shows the large decrease in Sierra snow pack in 2050.  The lower left panel shows the large reduction in annual mean snow pack in the Pacific Northwest.
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