The Antarctic has experienced a sudden spike of warming that scientists say was previously unimaginable in intensity. Discover more by clicking the link below.
The extent of Arctic sea ice as of February 25, 2022, when it reached its maximum extent for the year. After growing through the cold months of fall and winter, the Arctic's vast lid of floating sea ice is now entering the warm season — in poor health.
The winter sea ice maximum also occurred 15 days earlier than average. Only two other years since the start of the satellite record had an earlier maximum and ensuing start to the warm season retreat of ice: 1987 and 1996.shows the Arctic has lost about one-third of its winter sea ice volume over the past 18 years — more than previously believed. This has happened largely because less and less sea ice is persisting over several years.
For the first time since the satellite record began in 1979, sea ice in the Southern Hemisphere fell below 2 million square kilometers , reaching a minimum of 1.92 million square kilometers on February 25.
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