04 Jun '11, 6pm

Ice Loss in the #Canadian #Arctic Archipelago (NASA EO) #ocean #climate

Ice Loss in the #Canadian #Arctic Archipelago (NASA EO) #ocean #climate

Though much attention has been focused in recent years on the melting of ice from Greenland and Antarctica, nearly half of the ice volume currently being lost to the ocean is actually coming from other mountain glaciers and ice caps. Ice loss from a group of islands in northern Canada accounts for much of that volume. In a study published in April 2011 in the journal Nature, a team of researchers led by Alex Gardner of the University of Michigan found that land ice in both the northern and southern Canadian Arctic Archipelago has declined sharply. The maps above show ice loss from surface melting for the northern portion of the archipelago from 2004–2006 (left) and 2007–2009 (right). Blue indicates ice gain, and red indicates ice loss. In the six years studied, the Canadian Arctic Archipelago lost an average of approximately 61 gigatons of ice per year. (A gigaton is a bil...

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=50726

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