Last updated on April 19, 2014 at 13:20 EDT
Chukchi Sea
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Chukchi Sea

December 19, 2012
The margin of a large lead of open water (dark) and thin grease ice (gray, right) in the Chukchi Sea between Alaska and Russia. The image was create using several frames from the Digital Mapping System (DMS) onboard the NASA P-3. Image: NASA/DMS/Eric Fraim.