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Antarctic Sea Ice Decline
October 22 , 2023
271 days
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- Antarctic sea ice likely reached its annual maximum extent of 16.96 million square kilometers (6.55 million square miles).
- This is the lowest sea ice maximum in the 1979 to 2023 sea ice record by a wide margin.
- This year’s maximum is 1.03 million square kilometers (398,000 square miles) below the previous record low set in 1986.
- It is also 1.75 million square kilometers below (676,000 square miles) below the 1981 to 2010 average Antarctic maximum extent.
- The missing sea ice amounted to approximately 386,000 square miles below the previous record low recorded in 2022 – a region larger than Egypt.
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