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Ice and Permafrost
5
Snow
5
ROSS SEA
4
(*SEA ICE
3
ATMOSPHERIC TEMPERATURE
3
DATA PROCESSING
3
FREEZING
3
MCMURDO SOUND
3
MELTING
3
Physical and Dynamic Oceanography
3
ANTARCTIC REGIONS
2
ANTARCTIC REGIONS)
2
ICE FORECASTING
2
ICEBREAKERS
2
LAND ICE
2
MARINE TRANSPORTATION
2
METEOROLOGICAL SATELLITES
2
Meteorology
2
POLAR REGIONS
2
PREDICTIONS
2
SEA ICE)
2
THICKNESS
2
(*AERIAL RECONNAISSANCE
1
(*OCEAN CURRENTS
1
(*WEATHER FORECASTING
1
*ANTARCTIC REGIONS)
1
*ARCTIC REGIONS)
1
*Antarctic regions
1
*CONVECTION(HEAT TRANSFER)
1
*ELECTRON PRECIPITATION
1
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