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EARTH SCIENCE
GEOGRAPHIC REGION >
POLAR
669
OCEAN >
654
oceans
641
SOUTHERN OCEAN
621
CONTINENT >
472
SEA ICE
469
ANTARCTICA
428
CRYOSPHERE
404
AMD
327
AMD/AU
327
CEOS
327
SHIPS
293
ICE DEPTH/THICKNESS
218
biota
202
PACK ICE
201
BIOLOGICAL CLASSIFICATION
197
SEA ICE CONCENTRATION
197
ACE/CRC
192
R/V AA >
190
R/V Aurora Australis
190
ICE TYPES
183
ICE FLOES
181
AIR TEMPERATURE
178
LATITUDE
171
LONGITUDE
171
DATE
167
TIME
163
ASPECT >
158
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Southern Ocean
669
Antarctic
524
The Antarctic
323
East Antarctica
83
Arctic
80
Arctic Ocean
54
Austral
54
Casey Station
49
Weddell
49
Davis Station
42
Davis-Station
42
Vestfold
30
Vestfold Hills
30
Mirny
28
Molodezhnaya
26
Indian
25
Prydz Bay
25
McDonald Islands
22
Heard
20
New Zealand
20
Russkaya
20
Weddell Sea
18
Mertz Glacier
16
O'Brien Bay
16
Mawson Station
15
Ross Sea
15
Kerguelen
14
Amery
13
Amery Ice Shelf
13
Dumont d'Urville
13
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Antarc*
Sea ice
Southern Ocean
Antarctic
524
Antarctica
501
aurora australis
200
East Antarctica
83
Arctic
80
Arctic Ocean
54
ice core
53
Australian Antarctic Division
51
Iceberg*
32
Macquarie Island
31
Ice Shelf
29
walrus*
28
Ocean acidification
25
Prydz Bay
25
baleen whales
24
ice algae
23
McDonald Islands
22
International Polar Year
21
toothed whales
20
IPY
18
Ice Sheet
18
Ice Shelves
18
Weddell Sea
18
Weddell Seals
18
Mertz Glacier
16
National Snow and Ice Data Center
15
Ross Sea
15
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