Double dip: Antarctic sea ice sinks to new low for winter
For the second winter in a row, the extent of Antarctic sea ice has been exceptionally below average—and it has just set a new record low for this time of year.
For the second winter in a row, the extent of Antarctic sea ice has been exceptionally below average—and it has just set a new record low for this time of year.
Earth Sciences
Sep 10, 2024
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Sea ice is formed from ocean water that freezes. Because the oceans consist of saltwater, this occurs at about -1.8 °C (28.8 °F).
Sea ice may be contrasted with icebergs, which are chunks of ice shelves or glaciers that calve into the ocean. Icebergs are compacted snow and hence fresh water.
Sea ice may be deliberately created or manipulated, see Arctic geoengineering for details.
This text uses material from Wikipedia, licensed under CC BY-SA