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SOUTHERN OCEAN
OCEAN >
3,274
GEOGRAPHIC REGION >
3,259
POLAR
3,246
oceans
3,074
EARTH SCIENCE
2,422
CONTINENT >
2,331
ANTARCTICA
2,106
AMD
1,998
CEOS
1,997
AMD/AU
1,977
biota
1,595
SHIPS
1,409
EARTH SCIENCE >
1,129
BIOLOGICAL CLASSIFICATION
1,079
R/V AA >
991
R/V Aurora Australis
991
FIELD INVESTIGATION
727
FIELD SURVEYS
711
BIOSPHERE
647
ANIMALS/VERTEBRATES
602
climatologyMeteorologyAtmosphere
587
AIR TEMPERATURE
581
SEA ICE
521
ACE/CRC
518
CRYOSPHERE
512
BIOSPHERE >
462
ECHO SOUNDERS
449
OCEANS >
446
SOUTHERN OCEAN >
422
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Southern Ocean
3,325
Antarctic
2,443
The Antarctic
748
East Antarctica
263
McDonald Islands
191
Heard
189
Heard Island
187
Casey Station
179
Davis Station
172
Davis-Station
172
Amery
165
Amery Ice Shelf
165
Austral
159
Weddell
149
Prydz Bay
138
New Zealand
134
Indian
115
Arctic
106
Vestfold
100
Vestfold Hills
99
Kerguelen
83
Astrolabe
78
Windmill Islands
76
Australian Antarctic Territory
71
Mawson Station
65
O'Brien Bay
65
Arctic Ocean
64
Pacific
61
Brown Bay
46
Ross Sea
43
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Antarc*
Southern Ocean
Antarctica
2,486
Antarctic
2,443
aurora australis
1,056
Australian Antarctic Division
838
Sea ice
817
Macquarie Island
394
East Antarctica
263
walrus*
220
Ice Shelf
198
McDonald Islands
191
Heard Island
187
baleen whales
183
Adelie penguin
166
Amery Ice Shelf
165
Prydz Bay
138
toothed whales
135
Elephant Seals
128
Ocean acidification
116
Arctic
106
Giant Petrels
104
Leopard Seals
97
Snow Petrels
97
Weddell Seals
92
Antarctic Krill
86
International Polar Year
85
Emperor penguins
81
IPY
79
Euphausia superba
78
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