Reuters

Arctic IceBridge

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Meltwater channels from the previous summer and the terminus of Violingletscher (Violin Glacier) in East Greenland are seen during a NASA Operation IceBridge survey flight April 5, 2014. IceBridge is a six-year NASA airborne mission which will provide a yearly, multi-instrument look at the behavior of the Greenland and Antarctic ice, according to NASA. REUTERS/Michael Studinger/NASA/Handout

Meltwater channels from the previous summer and the terminus of Violingletscher (Violin Glacier) in East Greenland are seen during a NASA Operation IceBridge survey flight April 5, 2014. IceBridge is a six-year NASA airborne mission which will provide a yearly, multi-instrument look at the behavior of the Greenland and Antarctic ice, according to NASA. REUTERS/Michael Studinger/NASA/Handout

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Eureka Sound on Ellesmere Island in the Canadian Arctic is seen in a NASA Operation IceBridge survey picture taken March 25, 2014. REUTERS/NASA/Michael Studinger/Handout

Eureka Sound on Ellesmere Island in the Canadian Arctic is seen in a NASA Operation IceBridge survey picture taken March 25, 2014. REUTERS/NASA/Michael Studinger/Handout

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A view of the frozen fjord downstream of Violingletscher (Violin Glacier) in East Greenland is seen during a NASA Operation IceBridge survey flight April 5, 2014. REUTERS/Michael Studinger/NASA/Handout

A view of the frozen fjord downstream of Violingletscher (Violin Glacier) in East Greenland is seen during a NASA Operation IceBridge survey flight April 5, 2014. REUTERS/Michael Studinger/NASA/Handout

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An aerial view of the Nord Glacier in East Greenland is seen during a NASA Operation IceBridge survey flight April 5, 2014. REUTERS/Michael Studinger/NASA/Handout

An aerial view of the Nord Glacier in East Greenland is seen during a NASA Operation IceBridge survey flight April 5, 2014. REUTERS/Michael Studinger/NASA/Handout

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Glaciers on Canada's Ellesmere Island are seen during a NASA Operation IceBridge survey flight April 1, 2014. REUTERS/Michael Studinger/NASA/Handout

Glaciers on Canada's Ellesmere Island are seen during a NASA Operation IceBridge survey flight April 1, 2014. REUTERS/Michael Studinger/NASA/Handout

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The lateral and terminal morains of two small receding glaciers flowing into Violingletscher (Violin Glacier) in East Greenland are seen during a NASA Operation IceBridge survey flight April 5, 2014. REUTERS/Michael Studinger/NASA/Handout

The lateral and terminal morains of two small receding glaciers flowing into Violingletscher (Violin Glacier) in East Greenland are seen during a NASA Operation IceBridge survey flight April 5, 2014. REUTERS/Michael Studinger/NASA/Handout

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