Topic
ANTARCTIC REGIONS)
Ice and Permafrost
12
Snow
12
PERIODIC VARIATIONS
7
THICKNESS
6
(*SEA ICE
5
MCMURDO SOUND
5
ATMOSPHERIC TEMPERATURE
4
(*ICE
3
DEEP FREEZE OPERATION
3
DISTRIBUTION
3
DRILLING
3
ICE
3
PARTICLE SIZE
3
POLAR REGIONS
3
ROSS SEA
3
ROUGHNESS
3
TRANSPORT AIRCRAFT
3
(*GLACIERS
2
(*RUNWAYS
2
(*SNOW
2
AERIAL RECONNAISSANCE
2
C-121 AIRCRAFT
2
C-130 AIRCRAFT
2
COLD WEATHER TESTS
2
COMPRESSIVE PROPERTIES
2
FREEZING
2
GLACIERS
2
ICE ISLANDS
2
ICE)
2
LANDING FIELDS
2
MAPS
2
MCMURDO STATION
2
MELTING
2
METEOROLOGICAL CHARTS
2
METEOROLOGICAL SATELLITES
2
Meteorology
2
SAMPLING
2
SEA ICE)
2
SEA WATER
2
STRATIGRAPHY
2
SURFACE TEMPERATURE
2
TRAFFICABILITY
2
Terminal Flight Facilities
2
VOLUME
2
WIND
2
(*AERIAL RECONNAISSANCE
1
(*ANTARCTIC REGIONS
1
(*CLIMATE
1
(*CONCRETE
1
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