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DENSITY
2
FREEZING
Ice and Permafrost
2
STRATIGRAPHY
2
Snow
(*ANTARCTIC REGIONS
1
(*ICE
1
(*SNOW
1
ANTARCTIC REGIONS)
1
ATMOSPHERIC PRECIPITATION
1
ATMOSPHERIC TEMPERATURE
1
BYRD STATION
1
COLD WEATHER TESTS
1
DEPOSITS
1
DRILLING
1
DRILLING)
1
ICE
1
ICE ISLANDS
1
ICE)
1
PERIODIC VARIATIONS
1
POLAR REGIONS
1
ROSS ICE SHELF
1
SURFACE TEMPERATURE
1
TEMPERATURE
1
THICKNESS
1
VOLUME
1
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