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*SEA ICE
Ice and Permafrost
6
Snow
6
ALASKA
2
ARCTIC OCEAN
2
Active & Passive Radar Detection & Equipment
2
CLIMATE
2
Point Barrow
2
THICKNESS
2
*ACOUSTIC DATA
1
*ARCTIC OCEAN
1
*ARCTIC REGIONS
1
*GASES
1
*RADAR
1
*RADAR CROSS SECTIONS
1
*SURVIVAL(PERSONNEL)
1
*TARGET DISCRIMINATION
1
ACOUS(ARCTIC OBSERVATIONS USING UNDERWATER SOUND)
1
ACOUSTIC DETECTORS
1
ACOUSTIC VELOCITY
1
AIR
1
ANTHROPOLOGY
1
ARCTIC REGIONS
1
ARRAYS
1
ATMOSPHERIC TEMPERATURE
1
AURORAE
1
Acoustics
1
Angular response
1
BACKSCATTERING
1
BIRDS
1
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