Scientists were greatly surprised to discover an ancient tundra landscape below two miles of ice, preserved under the Greenland Ice Sheet. "We found organic soil that has been frozen to the bottom of the ice sheet for 2.7 million years," University of Vermont geologist Paul Bierman said. This discovery provides strong evidence that the Greenland Ice Sheet has persisted much longer than previously known, enduring through many past periods of global warming. ...Sunday 20 April 2014
Ancient Tundra Landscape Found Under Greenland Ice Sheet
Scientists were greatly surprised to discover an ancient tundra landscape below two miles of ice, preserved under the Greenland Ice Sheet. "We found organic soil that has been frozen to the bottom of the ice sheet for 2.7 million years," University of Vermont geologist Paul Bierman said. This discovery provides strong evidence that the Greenland Ice Sheet has persisted much longer than previously known, enduring through many past periods of global warming. ...
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