A new NASA analysis has quantified for the first time the amount of “multi-year” ice that is being lost from the Arctic Ocean due to melting as opposed to export.
Published Nov 10, 2010
This pair of maps shows how the sea ice covering the Arctic at winter maximum in 2009 is younger than it was in the past.
Published Apr 10, 2009
To understand ice sheets, glaciologists venture both below the surface with ice cores, and into the sky with satellites. Satellite imagery of the Greenland Ice Sheet reveals melt ponds that can affect glacier flow and sea level.
Published Oct 29, 2008
Melt ponds on the surface of Greenland’s ice sheet are an important indicator of the strength of the 2013 melt season.
Published Jul 9, 2013
In 1984, there were 1.86 million square kilometers of old ice spread across the Arctic at its yearly minimum extent. In September 2016, there were only 110,000 square kilometers of old ice left.
Published Nov 4, 2016
This animation shows Arctic sea ice shrinking to a near record minimum in the summer of 2011.
Published Sep 22, 2011
The amount of Arctic Ocean covered by ice was significantly more than the record low of 2012, but still well below the long-term average.
Published Sep 21, 2013
The ice cap tied for the sixth lowest extent on record, continuing a long-term decline.
Published Sep 28, 2018Image of the Day Water Snow and Ice Remote Sensing Sea and Lake Ice
Taken from a low-flying airplane on March 26, 2011, these detailed photos of Arctic sea ice show the richly varied texture in the ice floe.
Published Apr 1, 2011
Thick ice that used to last through multiple summers has been in steep decline for three decades.
Published Mar 1, 2012
