Ice-Wedge Melting Across The Arctic: Tipping Point Reached?

A new research paper in Nature Geosience, Vladimir Romanovsky contributing author.

New findings from sites in Alaska, Canada and Russia highlight the role of ice-wedge melting as a driver of permafrost thawing and degradation and hydrology changes across the Arctic. Vladimir Romonvsky contributes to the research paper and the Washington Post article discussing the implacations of the findings. https://www.washingtonpost.com/news/energy-environment/wp/2016/03/23/the... http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo2674.html

Images courtesy of Alaska Dispatch News. Image on the left shows water-filled ice-wedge troughs near Point Harrison and the right image shows the bottom of massive-ice in the CRREL Permafrost Tunnel, Fox, Alaska.