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(*SEA ICE
2
ARCTIC OCEAN)
2
DISTRIBUTION
GREENLAND SEA
2
Ice and Permafrost
Snow
2
(*AERIAL RECONNAISSANCE
1
(*ICE ISLANDS
1
CANADA
1
DATA ACQUISITION
1
DATA PROCESSING
1
DRIFT)
1
FREEZING
1
ICE ISLANDS
1
MELTING
1
METEOROLOGICAL RADAR
1
NAVAL AIRCRAFT
1
OBSERVATION AIRCRAFT
1
OCEAN CURRENTS
1
POLAR REGIONS
1
Physical and Dynamic Oceanography
1
SEA ICE)
1
SEA WATER
1
STRAITS
1
TRANSLATIONS
1
USSR
1
WIND
1
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