Sea-ice-free Arctic makes permafrost vulnerable to thawing


New research, published in Nature, led by scientists at the University of Oxford’s Department of Earth Sciences, and at the Geological Survey of Israel, provides evidence from Siberian caves suggesting that summer sea ice in the Arctic Ocean plays an essential role in stabilising permafrost and its large store of carbon.

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Read the paper – ‘Palaeoclimate evidence of vulnerable permafrost during times of low sea ice’ –  online in Nature.