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Melt Season in the Arctic Getting Longer
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Published January 29, 2010
Satellite data revealed changes in the average start of spring melting and the first autumn freeze.
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Melting on the Greenland Ice Cap, 2008
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Published February 25, 2009
The northern fringes of Greenland's ice sheet saw extreme melting in 2008, according to NASA scientist Marco Tedesco and his colleagues.
Arctic Sea Ice Younger than Normal
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Published March 25, 2008
In the Arctic, sea ice extent fluctuates with the seasons. It reaches its peak extent in March, near the end of Northern Hemisphere winter, and its minimum extent in September, at the end of the summer thaw. In September 2007, Arctic sea ice extent was the smallest area on record since satellites began collecting measurements about 30 years ago.
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