Monday, July 23, 2012

Chart of the Day

Via Big Picture Agriculture:

 Change in annual precipitation (millimeters), from the baseline under the four climate change scenarios

his month, for what it’s worth, the USDA has come out with a publication titled “Agricultural Adaptation to a Changing Climate – Economic and Environmental Implications Vary by U.S. Region” [pdf here]. I’ve excerpted the four model’s precipitation pattern change maps (below). How much they vary from one another is quite remarkable and stands as a message itself. The one showing temperature changes is also worth reviewing.
The USDA report also estimates yield impacts to various crops under the four scenarios.  The soybeans really take it on the chin in three of the situations.  There are also some really ugly drought pictures over there.  

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