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CONTINENT >
GEOGRAPHIC REGION >
627
POLAR
626
OCEAN >
623
oceans
610
SOUTHERN OCEAN
593
ANTARCTICA
573
EARTH SCIENCE
475
SEA ICE
397
AMD
387
AMD/AU
387
CEOS
387
CRYOSPHERE
275
EARTH SCIENCE >
238
ACE/CRC
218
biota
211
R/V AA >
205
R/V Aurora Australis
205
SHIPS
177
BIOLOGICAL CLASSIFICATION
161
FIELD SURVEYS
133
ICE DEPTH/THICKNESS
126
OCEANS >
122
OCEAN CHEMISTRY
103
CRYOSPHERE >
99
SIPEX
99
environment
96
PACK ICE
95
climatologyMeteorologyAtmosphere
95
BIOSPHERE >
93
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Southern Ocean
637
Antarctic
427
The Antarctic
203
East Antarctica
100
Casey Station
68
Austral
59
Arctic
53
Davis Station
49
Davis-Station
49
Weddell
49
Vestfold
34
Vestfold Hills
33
O'Brien Bay
26
Arctic Ocean
24
Prydz Bay
22
McDonald Islands
20
Mirny
20
New Zealand
20
Indian
19
Heard
18
Mawson Station
17
Amery
16
Amery Ice Shelf
16
Molodezhnaya
16
Weddell Sea
15
Dumont d'Urville
13
Dumont-d'Urville
13
Thala Valley
13
Brown Bay
12
McGrady Cove
12
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Sea ice
Southern Ocean
Antarc*
636
Antarctica
634
Antarctic
427
aurora australis
212
East Antarctica
100
ice core
64
Australian Antarctic Division
62
Arctic
53
Iceberg*
37
Ocean acidification
35
walrus*
31
baleen whales
30
Ice Shelf
28
Macquarie Island
26
Weddell Seals
25
ice algae
25
toothed whales
25
Arctic Ocean
24
Ice Sheet
22
Ice Shelves
22
Prydz Bay
22
McDonald Islands
20
Weddell Seal
17
ice pack
17
Amery Ice Shelf
16
International Polar Year
16
Weddell Sea
15
Adelie penguin
14
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