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Arctic’s Ice Cycle since 1990

Posted by feww on January 11, 2016

Arctic’s oldest ice each week since 1990 – NOAA Climate

Time lapse of the relative age of Arctic sea ice weekly since 1990. The oldest ice (9 or more years old) is white. Seasonal ice is darkest blue. Old ice drifts out of the Arctic through the Fram Strait (east of Greenland), but in recent years, it has also been melting as it drifts into the southernmost waters of the Beaufort Sea (north of western Canada and Alaska). Video produced by the team, based on data provided by Mark Tschudi, University of Colorado-Boulder.

Arctic Sea Ice – On the Decline 2015

At 4.41 million square kilometers or 1.79 million square miles, 2015 was the fourth-smallest summer sea ice minimum extent in recorded history. This is 1.87 million square kilometers below the 1981 to 2010 average extent.

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