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Ice and Permafrost
2
Meteorology
Snow
2
(*AERIAL RECONNAISSANCE
1
(*SEA ICE
1
*MARINE METEOROLOGY
1
*SEA ICE
1
AERIAL PHOTOGRAPHY
1
AIR WATER INTERACTIONS
1
ALASKA
1
ARCTIC OCEAN
1
ARCTIC OCEAN)
1
ATMOSPHERIC TEMPERATURE
1
BAFFIN BAY
1
BATHYTHERMOGRAPH DATA
1
BIRDS EYE 4 1969 PROJECT
1
CEILING
1
FLIGHT PATHS
1
FREEZING
1
GREENLAND SEA
1
ICE ISLANDS
1
ICE REPORTING
1
ICEBERGS
1
MATHEMATICAL PREDICTION
1
MELTING
1
METEOROLOGICAL DATA
1
NAVAL AIRCRAFT
1
NORTH ATLANTIC OCEAN
1
OBSERVATION AIRCRAFT
1
OCEANOGRAPHIC DATA
1
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