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Did Ja Know?

Lake Superior water temperatures are warming at the rate of about one degree Celsius per decade, which is roughly twice the rate of regional air temperature warming. Also, winter ice cover is declining. By the year 2040, ice-free years may be the norm.

Source: Jay Austin, Large Lakes Observatory, www.d.umn.edu/~jaustin/ICE.html


By Sea Grant Staff
May 2007

Return to May 2007 Seiche



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