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(*AERIAL RECONNAISSANCE
2
(*SEA ICE
2
ARCTIC OCEAN)
2
C-121 AIRCRAFT
2
CANADA
2
CRACKS
2
DIURNAL VARIATIONS
2
FREEZING
2
GREENLAND SEA
2
Ice and Permafrost
2
MELTING
2
SEA ICE)
SEA WATER
2
Snow
2
WEATHER FORECASTING
2
ARCTIC REGIONS
1
BAFFIN ISLAND
1
C-121K AIRCRAFT
1
DENMARK
1
STRAITS
1
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