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Pictures | Tue Apr 8, 2014 | 6:45pm EDT

Arctic IceBridge

<p>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</p>

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...more

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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<p>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</p>

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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<p>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</p>

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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<p>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</p>

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

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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<p>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</p>

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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