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    • ‘Precipitous’ fall in Antarctic sea ice since 2014 revealed
     
    July 7, 2019

    ‘Precipitous’ fall in Antarctic sea ice since 2014 revealed

    News

    A newly completed 40-y record of satellite observations is used to quantify changes in Antarctic sea ice coverage since the late 1970s. Sea ice spreads over vast areas and has major impacts on the rest of the climate system, reflecting solar radiation and restricting ocean/atmosphere exchanges. The satellite record reveals that a gradual, decades-long overall increase in Antarctic sea ice extents reversed in 2014, with subsequent rates of decrease in 2014–2017 far exceeding the more widely publicized decay rates experienced in the Arctic. The rapid decreases reduced the Antarctic sea ice extents to their lowest values in the 40-y record, both on a yearly average basis (record low in 2017) and on a monthly basis (record low in February 2017). Click here to read more

    Guardian coverage of this article.

    Tagged: Antarctic, Climate, sea ice

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