Witnessing a glacier's race to the sea

Video of retreating Alaskan ice is helping to quantify glacial contribution to sea-level rise.

A seven-year photographic record of the Columbia Glacier in Prince William Sound on Alaska’s south central Pacific coast has been made into a striking time-lapse video that documents the glacier’s rapid ice discharge, and is helping researchers to understand how tidewater glaciers contribute to sea-level rise.

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