Researchers discover large rift in Arctic's last bastion of thick sea ice
WASHINGTON—A new study documents the formation of a 3,000-square-kilometer rift in the oldest and thickest Arctic ice. The area of open water, called a polynya, is the first to be identified in an area north of Ellesmere Island, Canada’s northernmost island, and is another sign of the rapid changes taking place in the Arctic, according to researchers.
In May 2020, a hole a little smaller than the state of Rhode Island opened up for two weeks in the Last Ice Area, a million-square-kilometer patch of sea ice north of Greenland and Ellesmere Island that’s expected to be the last refuge of ice in a rapidly warming Arctic.
The polynya is the first one that has been identified in this part of the Last Ice Area, according to a new study …
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