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Ice and Permafrost
SEA ICE
Snow
5
ICE ISLANDS
4
THICKNESS
4
*WEATHER FORECASTING
3
ARCTIC OCEAN
3
FLIGHT PATHS
3
FREEZING
3
MELTING
3
*ARCTIC REGIONS
2
AERIAL RECONNAISSANCE
2
BAFFIN BAY
2
BAFFIN ISLAND
2
BAYS
2
BIRDS EYE PROJECT
2
DAVIS STRAIT
2
DIURNAL VARIATIONS
2
MAPS
2
Meteorology
2
OBSERVATION AIRCRAFT
2
POLAR REGIONS
2
Physical and Dynamic Oceanography
2
STRAITS
2
(*ARCTIC REGIONS
1
(*ICE
1
*ARCTIC OCEAN
1
*ICE FORECASTING
1
*MARINE GEOPHYSICS
1
AERIAL RECONNAISSANCE)
1
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