Researchers discover ice is sliding toward edges off Greenland Ice Sheet

By University of Wyoming

Neil Humphrey

Neil Humphrey (left), a University of Wyoming professor of geology and geophysics, and Nathan Maier, a UW geology Ph.D. student, pose on the Greenland Ice Sheet during 2017 field research.

Ice on the Greenland Ice Sheet doesn't just melt. The ice actually slides rapidly across its bed toward the ice sheet's edges. As a result, because ice motion is from sliding as opposed to ice deformation, ice is being moved to the high-melt marginal zones more rapidly than previously thought.

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