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(*SEA ICE
1
AERIAL RECONNAISSANCE
1
ANTARCTIC REGIONS)
1
ATMOSPHERIC TEMPERATURE
1
DEEP FREEZE OPERATION
1
DISTRIBUTION
1
FREEZING
1
ICEBREAKERS
1
Ice and Permafrost
MAPS
1
MCMURDO SOUND
1
MELTING
1
PERIODIC VARIATIONS
1
POLAR REGIONS
1
ROSS SEA
1
ROUGHNESS
1
SEA WATER
1
Snow
1
THICKNESS
1
WEATHER FORECASTING
1
WIND
1
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