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oceans
818
GEOGRAPHIC REGION >
804
POLAR
800
CONTINENT >
773
ANTARCTICA
689
OCEAN >
659
SOUTHERN OCEAN
629
EARTH SCIENCE
620
CEOS
510
AMD
508
AMD/AU
500
SEA ICE
499
EARTH SCIENCE >
362
biota
346
CRYOSPHERE
327
ACE/CRC
243
BIOLOGICAL CLASSIFICATION
242
R/V AA >
225
R/V Aurora Australis
224
FIELD SURVEYS
220
SHIPS
217
OCEANS >
174
BIOSPHERE >
164
ANTARCTICA >
156
ICE DEPTH/THICKNESS
154
BIOSPHERE
152
ECOSYSTEMS >
143
CRYOSPHERE >
139
OCEAN CHEMISTRY
135
FIELD INVESTIGATION
132
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Southern Ocean
689
Antarctic
624
The Antarctic
293
East Antarctica
158
Casey Station
94
Vestfold
84
Vestfold Hills
83
Davis Station
82
Davis-Station
82
Austral
79
Weddell
76
Arctic
63
Prydz Bay
36
New Zealand
31
O'Brien Bay
29
Indian
28
Mawson Station
27
Arctic Ocean
26
Mertz Glacier
24
Weddell Sea
21
Dumont d'Urville
20
Dumont-d'Urville
20
McDonald Islands
20
Mirny
20
Brown Bay
18
Heard
18
Thala Valley
18
Amery
17
Amery Ice Shelf
17
Wilkes Land
17
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Antarc*
884
Antarctica
Sea ice
Southern Ocean
689
Antarctic
624
aurora australis
250
East Antarctica
158
Australian Antarctic Division
95
ice core
83
Arctic
63
walrus*
49
Iceberg*
45
Weddell Seals
41
Ice Shelf
39
Ocean acidification
39
ice algae
38
Prydz Bay
36
Macquarie Island
33
baleen whales
31
Weddell Seal
29
Ice Sheet
27
Arctic Ocean
26
Ice Shelves
25
toothed whales
25
Mertz Glacier
24
Adelie penguin
22
International Polar Year
22
National Snow and Ice Data Center
21
Weddell Sea
21
McDonald Islands
20
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