[Credit: NASA] Scientists using ice-penetrating radar data collected by NASA's Operation IceBridge and earlier airborne campaigns have built the first comprehensive map of layers deep inside the Greenland Ice Sheet, glacier. This 3-D view of Greenland Ice Sheet opens window on ice history Cross-section of the age of the Greenland Ice Sheet, glacier. New techniques used in this study allowed scientists to efficiently pick out these layers in radar data. "IceBridge surveyed previously unexplored parts of the Greenland Ice Sheet and did it using state-of-the-art CReSIS radars," said study co-author Mark Fahnestock, an IceBridge science team member and glaciologist from the Geophysical Institute at the University of Alaska Fairbanks (UAF-GI).
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