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Arctic Sea Ice Minimum Ties Second Lowest on Record
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Published September 16, 2016
Since satellites began monitoring sea ice in 1979, researchers have observed a decline in the average extent of Arctic sea ice in every month of the year.
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Annual Peak of Arctic Sea Ice is Far Below the Norm
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Published March 21, 2015
The sea ice cap atop the Arctic Ocean reached its annual maximum extent on February 25, 2015. It was the smallest maximum extent in the satellite record and one of the earliest.
Despite Antarctic Gains, Global Sea Ice Is Shrinking
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Published February 11, 2015
Due to accelerated Arctic losses, Earth has been shedding sea ice since 1979 at an annual rate of 35,000 square kilometers (13,500 square miles).
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Arctic Sea Ice Drops below 2007 Record
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Published August 28, 2012
On August 26, 2012, Arctic sea ice broke all previous records weeks ahead of the end of melt season.
Arctic Sea Ice Maximum 2012
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Published March 27, 2012
The extent of Arctic sea ice peaked at 15.24 million square kilometers on March 18, 2012. It was the ninth consecutive year of maximum extents below the long-term average.
Oldest Arctic Sea Ice is Disappearing
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Published March 1, 2012
Thick ice that used to last through multiple summers has been in steep decline for three decades.
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2011 Greenland Melt Season
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Published December 6, 2011
The 2011 Greenland melt season was up to 30 days longer than the 1979–2010 average. This color-coded map shows where melt season lasted more or less than average.
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Arctic Sea Ice
Published May 3, 2011
Sea ice naturally grows and melts each year, but the process has been more extreme in recent years.
Record Melting in Greenland during 2010
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Published February 18, 2011
The ice-covered island’s melt season lasted 50 days longer than average.