Simulated difference in mean annual precipitation

Developed for the 2014 NCA. New reports and images will be added as they become available.

Wed, 01/09/2013 - 00:09 -- mbp

General Information

Simulated difference in annual mean precipitation (%) for Alaska, for each future time period (2021-2050, 2041-2070, and 2070-2099) with respect to the reference period of 1971-1999. These are multi-model means for the high (A2) and low (B1) emissions scenarios from the 14 (B1) or 15 (A2) CMIP3 global climate simulations. Color with hatching indicates that more than 50% of the models show a statistically significant change in precipitation, and more than 67% agree on the sign of the change (see text). The greatest increases in precipitation amount are simulated to occur in the far northwest of Alaska.
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Source Information

Image Source: 
Greg Dobson