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9 December 2021 / Phys.org
Background

Fire hastens permafrost collapse in Arctic Alaska, study finds

Alaska, United States

While climate change is the primary driver of permafrost degradation in Arctic Alaska, a new analysis of 70 years of data reveals that tundra fires are accelerating that decline, contributing disproportionately to a phenomenon known as "thermokarst," the abrupt collapse of ice-rich permafrost as a result of thawing.


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