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GEOGRAPHIC REGION >
POLAR
879
OCEAN >
858
oceans
852
SOUTHERN OCEAN
813
EARTH SCIENCE
686
CONTINENT >
627
ANTARCTICA
569
SEA ICE
554
AMD
525
AMD/AU
525
CEOS
525
CRYOSPHERE
413
SHIPS
343
ACE/CRC
288
EARTH SCIENCE >
280
biota
272
R/V AA >
263
R/V Aurora Australis
263
ICE DEPTH/THICKNESS
232
SEA ICE CONCENTRATION
212
PACK ICE
206
BIOLOGICAL CLASSIFICATION
202
ICE FLOES
194
ICE TYPES
194
LATITUDE
180
LONGITUDE
180
AIR TEMPERATURE
179
DATE
173
TIME
168
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Southern Ocean
Antarctic
640
The Antarctic
365
East Antarctica
116
Arctic
88
Austral
70
Casey Station
68
Weddell
62
Arctic Ocean
58
Davis Station
50
Davis-Station
50
Indian
36
Vestfold
33
Vestfold Hills
32
Prydz Bay
30
Mirny
28
Molodezhnaya
26
O'Brien Bay
26
New Zealand
24
Weddell Sea
24
McDonald Islands
22
Heard
20
Russkaya
20
Mertz Glacier
19
Kerguelen
17
Wilkes Land
17
Amery
16
Amery Ice Shelf
16
Mawson Station
16
Ross Sea
16
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Sea ice
Southern Ocean
880
Antarc*
855
Antarctica
660
Antarctic
640
aurora australis
276
East Antarctica
116
Arctic
88
ice core
74
Australian Antarctic Division
61
Arctic Ocean
58
Iceberg*
39
Ocean acidification
38
Ice Shelf
35
ice algae
35
walrus*
34
baleen whales
33
Macquarie Island
32
Prydz Bay
30
toothed whales
28
Ice Shelves
26
Weddell Sea
24
Ice Sheet
23
Weddell Seals
23
International Polar Year
22
McDonald Islands
22
National Snow and Ice Data Center
20
IPY
19
Mertz Glacier
19
Weddell Seal
17
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