Antarctic Sea Ice
Antarctica may be in serious trouble. Satellite images show that the amount of sea ice floating around the pristine polar continent remains far below long-term averages despite the south polar region moving into its peak winter period.
Researchers at the British Antarctic Survey (BAS) observed with trepidation in late 2022 and early 2023 as satellite images revealed that sea ice attached to the coast of Antarctica had been disappearing month after month at a pace never seen before. And they continued to observe as this sea ice failed to sufficiently replenish after the colder months arrived. As of mid-June 2023, sea ice extent in Antarctica was about 0.9 million square miles (2.28 million square kilometers) below the average from 1981 to 2010 for that part of the year, according to the U.K. weather authority Met Office, and about 0.4 million square miles (1.15 million square km) below the previous June record low from 2019.
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