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ANTARCTICA
64
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GEOGRAPHIC REGION >
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OCEAN >
64
OCEAN TEMPERATURE
POLAR
64
SOUTHERN OCEAN
64
oceans
64
CONDUCTIVITY
62
AMERY ICE SHELF
60
AMISOR
60
FIELD INVESTIGATION
60
GROUND-BASED OBSERVATIONS
60
HOT WATER DRILL
60
SALINITY
60
EARTH SCIENCE
56
SALINITY/DENSITY
56
GLACIERS/ICE SHEETS
51
ICE SHEETS
51
CRYOSPHERE
50
TEMPERATURE
50
WATER TEMPERATURE
40
AMD
36
AMD/AU
36
CEOS
36
SNOW/ICE
36
geoscientificInformation
36
inlandWaters
36
ACE/CRC
34
OCEAN CIRCULATION
32
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