ift.tt/VpV0XU Full Text: A new study suggests that a warming - TopicsExpress



          

ift.tt/VpV0XU Full Text: A new study suggests that a warming period more than 400,000 years ago pushed the Greenland ice sheet past its stability threshold, resulting in a nearly complete deglaciation of southern Greenland and raising global sea levels some 4-6 meters. The study is one of the first to zero in on how the vast Greenland ice sheet responded to warmer temperatures during that period, which were caused by changes in the Earth’s orbit around the sun. Pictured here, a research team is hiking to sample the Greenland ice-sheet margin in south Greenland. Image credit: Kelsey Winsor, courtesy Oregon State University from Science360 News Service: Picture of the Day ift.tt/1lfBQbW via IFTTT
Posted on: Thu, 26 Jun 2014 07:53:59 +0000

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