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FREEZING
4
Ice and Permafrost
4
MELTING
Snow
4
(*AERIAL RECONNAISSANCE
3
(*SEA ICE
3
ARCTIC OCEAN)
3
GREENLAND SEA
3
ICE ISLANDS
3
Physical and Dynamic Oceanography
3
SEA ICE)
3
SEA WATER
3
CRACKS
2
DATA ACQUISITION
2
DATA PROCESSING
2
NAVAL AIRCRAFT
2
OBSERVATION AIRCRAFT
2
WEATHER FORECASTING
2
*ARCTIC OCEAN
1
*ICE FORECASTING
1
*SEA ICE
1
ACCURACY
1
ARCTIC REGIONS
1
BAFFIN ISLAND
1
C-121 AIRCRAFT
1
CANADA
1
DENMARK
1
DISTRIBUTION
1
DIURNAL VARIATIONS
1
DRIFT
1
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