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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

Major Drainage Basins

Sea Ice Extent

Atlantic Ocean Seaboard

Baja California

California

Churchill

Columbia and Northwestern United States

Fraser

Great Basin

Gulf Coast

Gulf of Mexico, North Atlantic Coast

Hudson Bay Coast

Mackenzie

Mexico, Northwest Coast

Mississippi - Missouri

North America, Colorado

Northwest Territories

Pacific and Arctic Coast

Río Grande - Bravo

Saskatchewan - Nelson

St John

St Lawrence

United States, North Atlantic Coast

Alaska
98.0%
Arizona
4.47%95.5%
Utah
0.394%51.8%47.8%
Yukon
26.5%73.4%
Northwest Territories
54.6%44.0%0.207%
District of Columbia
100%
Florida
98.4%
Idaho
95.7%4.03%0.316%
New Hampshire
99.7%0.302%
Rhode Island
92.6%
Vermont
42.4%53.3%4.27%
Washington
70.9%27.9%
Wyoming
5.11%1.48%72.4%21.0%
Nunavut
0.158%0.205%96.5%
Montana
17.1%82.4%0.445%
Maine
75.6%23.3%
North Dakota
58.0%42.0%
Kentucky
100%
Nova Scotia
94.2%
Virginia
25.9%17.7%55.4%
Delaware
97.0%
Prince Edward Island
1.54%61.9%
Saskatchewan
19.8%2.89%31.0%46.3%
Mississippi
50.1%49.8%
West Virginia
84.7%15.3%
Nebraska
100%
Texas
64.1%17.3%18.4%
Missouri
100%
Louisiana
5.73%1.66%91.0%
North Carolina
85.7%12.8%
Oregon
6.40%91.0%2.50%
New Brunswick
58.6%40.2%
Alabama
86.2%13.6%
New Mexico
4.48%7.00%14.8%19.5%54.2%
Kansas
100%
Wisconsin
69.3%30.7%
British Columbia
9.53%22.5%31.2%35.7%
Newfoundland and Labrador
0.162%75.3%22.1%0.795%
New Jersey
97.8%
South Carolina
99.9%
Michigan
100%
Alberta
66.5%0.906%2.66%29.9%
Connecticut
99.0%1.05%
Pennsylvania
34.4%1.43%64.1%
Colorado
56.1%36.7%7.14%
Nevada
3.75%5.41%80.0%10.9%
Massachusetts
91.1%2.45%
Georgia
97.1%2.66%
New York
0.410%4.00%49.4%45.5%
Maryland
4.25%93.5%
Québec
7.79%0.358%64.3%0.386%26.7%
Manitoba
17.7%34.5%47.7%
Oklahoma
100%
Tennessee
99.9%
Ontario
61.9%11.8%26.2%
California
0.273%94.9%0.130%1.98%2.37%
Arkansas
100%
South Dakota
99.2%0.773%
Ohio
71.3%28.7%
Indiana
89.5%10.5%
Minnesota
57.4%35.3%7.33%
Iowa
100%
Illinois
98.7%1.31%
0.16.0