Scientists Just Found A Strange And Worrying Crack In One Of Greenland’S Biggest Glaciers

Scientists Just Found A Strange And Worrying Crack In One Of Greenland’S Biggest Glaciers
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Washington Post

Scientists examining satellite images of one of Greenland’s largest glaciers believe they have found an unexpected new crack in its floating ice shelf that could contribute to a dramatic break in coming years. The Petermann Glacier, located in the high Arctic at 80 degrees North latitude, is one of the most important outlets by which the Greenland ice sheet extends and flows into the sea. In 2010 and 2012, it lost extremely large pieces, each several times the size of Manhattan, from its ice shelf, which floats on top of the waters of a fjord whose depth exceeds that of the Grand Canyon. These changes captured the world’s attention — and greatly shrank this floating shelf that stabilizes the…

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