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Ice and Permafrost
Snow
4
*SEA ICE
3
CANADA
3
NORTH ATLANTIC OCEAN
3
Arctic areas
2
CHARTS
2
COASTAL REGIONS
2
FORECASTING
2
GREENLAND
2
SEASONAL VARIATIONS
2
STRAITS
2
U/A reports
2
WATER
2
*CLIMATE
1
*Global climate change
1
*ICE MECHANICS
1
*PATTERN RECOGNITION
1
*REMOTE DETECTION
1
*REMOTE DETECTORS
1
*SYMPOSIA
1
*SYNTHETIC APERTURE RADAR
1
AIRBORNE
1
ANOMALIES
1
ARCTIC OCEAN
1
ARCTIC REGIONS
1
ARISTOTELES
1
AUTOCORRELATION
1
AUTOMATIC TRACKING
1
Active & Passive Radar Detection & Equipment
1
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