Topic
Ice and Permafrost
28
Snow
ARCTIC OCEAN
20
*SEA ICE
19
CHUKCHI SEA
15
Physical and Dynamic Oceanography
11
OCEANOGRAPHIC DATA
8
ALASKA
7
BEAUFORT SEA
7
BERING SEA
6
THICKNESS
6
SALINITY
5
Acoustics
4
FREEZING
4
GREENLAND SEA
4
ICE
4
MELTING
4
Meteorology
4
POLAR REGIONS
4
SEA WATER
4
(*SEA ICE
3
*ARCTIC REGIONS
3
*CHUKCHI SEA
3
ACOUSTIC VELOCITY
3
AERIAL RECONNAISSANCE
3
ARCTIC OCEAN)
3
EDGES
3
FORECASTING
3
Marginal sea ice zones
3
NORWEGIAN SEA
3
OBSERVATION AIRCRAFT
3
OCEAN CURRENTS
3
PE62759N
3
STRAITS
3
TEMPERATURE
3
THESES
3
UNDERWATER SOUND
3
WU9024909
3
(*AERIAL RECONNAISSANCE
2
(*ICE
2
(*WEATHER FORECASTING
2
*ARCTIC OCEAN
2
*OCEAN CURRENTS
2
*PACK ICE
2
*SEA WATER
2
ARCTIC REGIONS
2
ARCTIC REGIONS)
2
BAFFIN BAY
2
BARENTS SEA
2
BATHYTHERMOGRAPH DATA
2
more ...