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Cool summer posts lowest Arctic sea ice melt down on record
来源：Shipping News Headlines 编辑：编辑部 发布：2021/09/28 13:42:47
ARCTIC SEA ice is more extensive than in recent years, reports Anchorage, Alaska's Arctic Today.
Though higher than the record-low extent of 2012 and the near record-low extent last year, this year's minimum is low compared to earlier years and part of a declining trend.
At this year's annual minimum, sea ice was more extensive. After a cool, cloudy summer slowed melting, Arctic sea ice has begun its winter freeze, said the US National Snow and Ice Data Centre.
Though higher than the record-low extent of 2012 and the near-record-low extent last year, this year's minimum is low compared to earlier years and part of a declining trend.
Sea ice extent minimums have fallen by 13 per cent per decade, relative to the 1981-2010 average, since satellite records began in 1979, the centre said.
The announcement of the annual ice extent is preliminary. Changes in winds or a late-season surge in melting could reverse the freeze and reduce the ice extent further, the centre said.
Though higher than the record-low extent of 2012 and the near record-low extent last year, this year's minimum is low compared to earlier years and part of a declining trend.
At this year's annual minimum, sea ice was more extensive. After a cool, cloudy summer slowed melting, Arctic sea ice has begun its winter freeze, said the US National Snow and Ice Data Centre.
Though higher than the record-low extent of 2012 and the near-record-low extent last year, this year's minimum is low compared to earlier years and part of a declining trend.
Sea ice extent minimums have fallen by 13 per cent per decade, relative to the 1981-2010 average, since satellite records began in 1979, the centre said.
The announcement of the annual ice extent is preliminary. Changes in winds or a late-season surge in melting could reverse the freeze and reduce the ice extent further, the centre said.