NASAのインスタグラム(nasa) - 3月20日 06時30分

Arctic sea ice has reached its peak winter extent for the year, and it’s the lowest winter maximum on record.
The sea ice cap of the Arctic appeared to reach its annual maximum winter extent on Feb. 25, according to data from the NASA-supported National Snow and Ice Data Center (NSIDC) at the University of Colorado, Boulder. At 5.61 million square miles (14.54 million square kilometers), this year’s maximum extent was the smallest on the satellite record and also one of the earliest.

Credit: NASA's Goddard Space Flight Center/J. Beck

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