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FREEZING
GREENLAND SEA
6
Ice and Permafrost
6
MELTING
6
Snow
6
ICE ISLANDS
5
(*AERIAL RECONNAISSANCE
4
(*SEA ICE
4
DENMARK
4
FLIGHT PATHS
4
OBSERVATION AIRCRAFT
4
SEA ICE)
4
SEA WATER
4
STRAITS
4
ARCTIC OCEAN)
3
Physical and Dynamic Oceanography
3
THICKNESS
3
ARCTIC OCEAN
2
DATA ACQUISITION
2
DATA PROCESSING
2
METEOROLOGICAL RADAR
2
Meteorology
2
NAVAL AIRCRAFT
2
NAVIGATION CHARTS
2
SEA ICE
2
WEATHER FORECASTING
2
*ARCTIC OCEAN
1
*BIRDS EYE PROJECT
1
AERIAL PHOTOGRAPHS
1
AERIAL RECONNAISSANCE
1
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