Lake Superior is warming faster than its local climate
By Sid Perkins, 15:56 PM April 15, 2008
In recent decades, the waters of Lake Superior have warmed significantly faster than have air temperatures at nearby sites onshore—a trend caused at least in part by a long-term decrease in the lake's winter ice cover, scientists say.
Between 1979 and 2006, the average summertime air temperature at 31 sites within 500 kilometers of the center of Lake Superior rose about 1.5°C, says Jay A. Austin, a geophysicist at the University of Minnesota in Duluth. During the same period, however, the ave...
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