The Gateway Protecting the Arctic's Oldest Sea Ice Has Collapsed Months Ahead of Schedule
By Maddie Stone
NASA Earth Observatory
The Nares Strait, open for business in mid-May.
Every summer as the Arctic warms up, seasonal highways open on the ocean, allowing sea ice to migrate southward and melt. Now, satellite data is revealing that the gateway to one critical highway—the Nares Strait dividing northwest Greenland and Canada’s Ellesmere Island—has broken up months ahead of schedule. And that could spell even more trouble for the Arctic’s oldest and most critically-endangered sea ice.
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