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*ARCTIC REGIONS
ALASKA
10
CANADA
8
GREENLAND
8
Ice and Permafrost
7
Snow
7
CONTINENTAL SHELVES
6
*SEA ICE
5
CLIMATE
5
ARCTIC OCEAN
4
Meteorology
4
SEA ICE
4
WEATHER
4
DENMARK
3
MERCHANT VESSELS
3
MINERALS
3
NATIONAL SECURITY
3
NORWAY
3
POLAR REGIONS
3
POLLUTION
3
RUSSIA
3
SEASONAL VARIATIONS
3
SHIPPING
3
*GEOPOLITICS
2
*UNITED STATES GOVERNMENT
2
*WEATHER FORECASTING
2
AERIAL RECONNAISSANCE
2
CHUKCHI SEA
2
CLIMATE CHANGE
2
COAST GUARD
2
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Alaska
Arctic
14
Greenland
Sea ice
10
Ice
9
permafrost
9
Arctic Ocean
6
Climate change
6
Lomonosov Ridge
6
Northern Sea Route
3
Northwest passage
3
Chukchi
2
Chukchi Sea
2
Law of the Sea
2
Siberia
2
Arctic Basin
1
Baffin
1
Baffin Bay
1
Barents Sea
1
Beaufort Sea
1
Bering Sea
1
Davis Strait
1
East Siberian Sea
1
Ellesmere Island
1
Iceberg*
1
Iceland
1
Newfoundland
1
Northwest Territories
1
Norwegian Sea
1
Subarctic
1
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