Declining Northern Hemisphere Sea Ice Extent

10.04.18 By

Whilst the Arctic is in perpetual darkness in the depths of winter, temperatures have soared during January and February 2018. The extreme heat has caused shrinkage of sea ice when it should be growing over the winter. For example, sea ice set a new record low for January at 13.06 million square kilometres, which is 9.4% below the 1981-2010 average (equivalent to the area of the Northern Territory in Australia) (NOAA 2018).

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