Topic
*ARCTIC REGIONS
ARCTIC OCEAN
8
Ice and Permafrost
7
Snow
7
*SEA ICE
6
ALASKA
5
CONTINENTAL SHELVES
5
CANADA
4
GREENLAND
4
GREENLAND SEA
4
BARENTS SEA
3
BERING SEA
3
MERCHANT VESSELS
3
MINERALS
3
Meteorology
3
TEMPERATURE
3
*ICE FORECASTING
2
*OCEAN ENVIRONMENTS
2
*UNDERWATER ACOUSTICS
2
AERIAL RECONNAISSANCE
2
ARCTIC OCEAN ISLANDS
2
Acoustics
2
CHUKCHI SEA
2
CLASSIFICATION
2
CLIMATE
2
CONGRESS
2
DENMARK
2
FRAM STRAIT
2
GASES
2
GLOBAL
2
Geography
2
Government and Political Science
2
IMAGES
2
INTERNATIONAL RELATIONS
2
LEGISLATION
2
MARGINAL ICE ZONES
2
MELTING
2
NATIONAL SECURITY
2
NAVAL OPERATIONS
2
NORWAY
2
POLAR REGIONS
2
POLLUTION
2
Physical and Dynamic Oceanography
2
RISK
2
RUSSIA
2
SATELLITE PHOTOGRAPHY
2
SEA ICE
2
SHIPPING
2
SHORES
2
THESES
2
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