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*ARCTIC REGIONS
ARCTIC OCEAN
6
NORTHERN SEA ROUTE
5
NORTHWEST PASSAGE
5
CLIMATE CHANGE
4
Geography
4
Ice and Permafrost
4
Snow
4
Government and Political Science
3
SEA ICE
3
*SEA ICE
2
*UNITED STATES GOVERNMENT
2
CANADA
2
CLIMATE
2
CONTINENTAL SHELVES
2
CRUDE OIL
2
DATA ACQUISITION
2
GREENHOUSE EFFECT
2
MARITIME DOMAIN AWARENESS
2
MARITIME OPERATIONS
2
Meteorology
2
NATURAL GAS
2
NATURAL RESOURCES
2
NAVAL OPERATIONS
2
SEARCH AND RESCUE
2
SHIPPING
2
SYMPOSIA
2
TREATIES
2
*ACCESS
1
*ARCTIC OCEAN
1
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