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GEOGRAPHIC REGION >
POLAR
1,029
oceans
989
OCEAN >
861
SOUTHERN OCEAN
813
EARTH SCIENCE
800
CONTINENT >
763
ANTARCTICA
669
SEA ICE
628
AMD
614
AMD/AU
614
CEOS
614
CRYOSPHERE
458
EARTH SCIENCE >
364
biota
362
SHIPS
361
ACE/CRC
310
R/V AA >
275
R/V Aurora Australis
275
BIOLOGICAL CLASSIFICATION
263
ICE DEPTH/THICKNESS
252
FIELD SURVEYS
222
SEA ICE CONCENTRATION
221
PACK ICE
218
ICE TYPES
201
ICE FLOES
197
LATITUDE
187
LONGITUDE
187
AIR TEMPERATURE
183
DATE
183
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Southern Ocean
880
Antarctic
758
The Antarctic
415
East Antarctica
140
Arctic
96
Casey Station
90
Austral
82
Davis Station
79
Davis-Station
79
Weddell
76
Vestfold
70
Vestfold Hills
69
Arctic Ocean
60
Prydz Bay
41
Indian
37
Mertz Glacier
29
O'Brien Bay
29
Mirny
28
New Zealand
27
Molodezhnaya
26
Weddell Sea
26
Mawson Station
23
McDonald Islands
22
Heard
20
Russkaya
20
Wilkes Land
20
Antarctic Peninsula
18
Brown Bay
18
Ross Sea
18
Amery
17
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Sea ice
Antarc*
1,004
Southern Ocean
880
Antarctica
804
Antarctic
758
aurora australis
294
East Antarctica
140
Arctic
96
ice core
89
Australian Antarctic Division
87
Arctic Ocean
60
ice algae
46
Iceberg*
45
Ice Shelf
42
walrus*
42
Ocean acidification
41
Prydz Bay
41
Weddell Seals
35
baleen whales
33
Macquarie Island
32
Ice Sheet
29
Ice Shelves
29
Mertz Glacier
29
toothed whales
28
National Snow and Ice Data Center
27
Weddell Sea
26
Weddell Seal
25
International Polar Year
22
McDonald Islands
22
Adelie penguin
21
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