Borehole network confirms, permafrost is thawing worldwide

Arctic Sounder: An expanded network of boreholes across the northern hemisphere has confirmed that permafrost throughout polar and sub-polar regions is thawing, say scientists who studied the topic during International Polar Year. "You look at a whole hemisphere and see the patterns everywhere," said Vladimir Romanovsky, a professor with the snow, ice and permafrost group at the University of Alaska Fairbanks Geophysical Institute, and lead author of a paper documenting the ......

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