In a first-of-its-kind study, a team of researchers led by geoscientist Michael Rawlins at the University of Massachusetts Amherst has shown in fine-grained detail what happens when Arctic permafrost thaws. Focusing on a Wisconsin-sized area of Alaska’s North Slope containing hundreds of rivers and streams flowing into the Beaufort Sea, the team analyzed 44 years of model data at one-kilometer grid resolution, revealing how massively runoff is increasing, the increased loads of previously frozen carbon flowing through northern Alaska’s rivers and how the thawing season has extended into late-summer and fall.
Wisconsin-sized chunk of Alaskan permafrost is thawing: Geoscientists say climate may never be the same
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