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OCEAN >
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861
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860
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626
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566
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551
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526
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526
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526
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406
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345
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290
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284
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272
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264
R/V Aurora Australis
264
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233
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211
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207
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199
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194
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192
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181
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179
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179
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Southern Ocean
876
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641
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360
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117
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91
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68
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67
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61
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60
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49
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49
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36
Vestfold
34
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33
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30
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28
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26
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26
New Zealand
24
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24
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22
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21
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20
Russkaya
20
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17
Mawson Station
16
Ross Sea
16
Wilkes Land
16
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15
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15
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Sea ice
Southern Ocean
876
Antarc*
857
Antarctica
659
Antarctic
641
aurora australis
278
East Antarctica
117
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91
ice core
71
Australian Antarctic Division
69
Arctic Ocean
60
Ocean acidification
38
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36
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35
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33
baleen whales
33
ice algae
33
walrus*
33
Prydz Bay
30
toothed whales
28
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24
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23
International Polar Year
23
McDonald Islands
22
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22
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21
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21
National Snow and Ice Data Center
20
IPY
17
ice pack
17
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