Snowy White Moulin (IMAGE)

University of Washington

Snowy White Moulin

Caption

An opening reveals a conduit -- called a moulin -- that carries meltwater through the ice sheet sometimes all the way to bedrock where the meltwater can act as a lubricant moving the ice. Meltwater is a more important force behind the slipping of the slow-moving Greenland Ice Sheet than it is for Greenland's fast-moving outlet glaciers, new research shows.

Credit

I. Joughin/UW Polar Science Center

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