Why lakes in Alaska’s Arctic national parks are disappearing — sometimes in a matter of days
Lakes are shrinking or disappearing altogether as permafrost thaws. And more rain and snow actually speeds up the losses.
Permafrost lakes in Arctic Alaska’s national parks lost about 19.5 square kilometers of surface area from 2000 to 2017, and the losses have accelerated as the regions heated up, according to a newly published study that used satellite data to track changes.
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