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UVM scientists stunned to discover plants beneath mile-deep Greenland ice

UVM scientists stunned to discover plants beneath mile-deep Greenland ice
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Scientists stunned to discover plants beneath mile-deep Greenland ice

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VIDEO: Scientists were stunned to find frozen plant fossils twigs and leaves preserved under a mile of ice on Greenland. The discovery, explained in this video, helps confirm a new and troubling understanding.
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Credit: Quincy Massey-Bierman
In 1966, US Army scientists drilled down through nearly a mile of ice in northwestern Greenland and pulled up a fifteen-foot-long tube of dirt from the bottom. Then this frozen sediment was lost in a freezer for decades. It was accidentally rediscovered in 2017.
In 2019, University of Vermont scientist Andrew Christ looked at it through his microscope and couldn t believe what he was seeing: twigs and leaves instead of just sand and rock. That suggested that the ice was gone in the recent geologic past and that a vegetated landscape, perhaps a boreal forest, stood where a mile-deep ice sheet as big as Alaska stands today. ....

United States , New York , The Greenland Ice Sheet , Greenland General , Paul Bierman , Dorthe Dahl Jensen , Andrew Christ , Gund Institute For Environment , National Science Foundation , University Of Buffalo , Rubenstein School Of Environment Natural Resources , College Of Arts Sciences , Proceedings Of The National Academy Sciences , Us Army , University Of Vermont , Joerg Schaefer At Columbia University , Joerg Schaefer , Columbia University , Greenland Ice Sheet , Rubenstein School , Natural Resources , Gund Institute , National Academy , Camp Century , Cold War , Arctic Circle ,