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MapMaster 3

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MapMaster 3

Sea Ice Extent

WorldPhysical Environment

Mean extent of Arctic and Antarctic sea ice between 1981 and 2010

NSIDC

A world map shows the sea ice extent at the beginning of 2022, with the highest coverage in the Arctic region around Canada, Greenland, and Russia, and some presence in the Antarctic region. These regions are highlighted in light blue.

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Sea Ice Extent

Ocean Climate Zones

Sea Ice Extent

Equatorial

Tropical

Subtropical

Temperate

Subpolar

Alaska
2.05%0.827%
Northwest Territories
1.67%
Florida
2.09%
Rhode Island
8.19%
Washington
0.763%
Nunavut
0.158%4.30%
Maine
1.22%
Nova Scotia
8.68%
Virginia
0.104%1.74%
Delaware
4.66%
Prince Edward Island
1.54%54.8%
Texas
0.188%
Louisiana
3.62%
Hawaii
2.56%35.3%
North Carolina
2.25%
Oregon
0.245%
New Brunswick
2.16%
Alabama
0.128%
British Columbia
1.39%
Newfoundland and Labrador
0.162%1.85%0.552%
New Jersey
3.26%
Connecticut
0.661%
Massachusetts
0.220%7.89%
New York
1.81%
Maryland
3.11%
Québec
0.264%0.352%
Ontario
0.107%
California
0.550%0.247%
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