Sea ice cover is recorded throughout the year, generally reaching a maximum each winter, and a minimum at the end of every summer. National Snow and Ice Data Centre (NSIDC) puts this year’s maximum extent at an average 14.41 million square kilometres, 1.6 per cent lower than the previous 2011 record, over 6 per cent lower than 1981-2010 long-term average.
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January 21, 2023 No Comments
