✉news EnvironmentOceans first seen 18 h ago, last 17 h ago, peak #34
Unprecedented hole opens in Antarctic winter sea ice
Original: Unprecedented hole opened up in Antarctic winter sea ice
A large, unprecedented hole, known as a polynya, has opened in the sea ice around Antarctica during the depths of winter. Researchers report the phenomenon is rare and unexpected in winter conditions, drawing attention to what it may reveal about ocean circulation and the changing polar climate.
Why now: An unprecedented wintertime opening in Antarctic sea ice is striking and may signal larger changes in polar oceans.
Evidence
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