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Politics : Liberalism: Do You Agree We've Had Enough of It?
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From: Kenneth E. Phillipps12/28/2015 8:51:53 AM
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Sea ice: Maximum Arctic Ocean sea ice extent, which occurred February 25, 2015, 15 days earlier than average, was the lowest extent recorded since records began in 1979. Minimum sea ice extent measured on September 11, 2015, was the fourth lowest in the satellite record since 1979. Arctic minimum sea ice extent has been declining at a rate of 13.4 percent per decade (relative to the 1981-2010 average). First year ice now dominates the winter ice cover, comprising about 70 percent of the March 2015 ice pack, compared to about half that in the 1980s when older, thicker ice was more prevalent. The thinner, younger ice is more vulnerable to melting in the summer.

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