Open Polar Keyword
Sea ice
Antarc*
232
Antarctic
186
Antarctica
93
okhotsk sea
40
Ice Sheet
35
Arctic
31
National Institute of Polar Research
23
Southern Ocean
23
Icebreaker
18
国立極地研究所
14
Prince Olav Coast
13
East Antarctica
12
Arctic Ocean
10
ice core
10
ice algae
9
Dronning Maud Land
8
Adelie penguin
7
E. Antarctica
7
Alaska
6
East Ongul Island
6
Greenland
6
Ongul Island
6
Barrow
5
Amundsen Bay
4
Antarctic Ocean
4
Australian Antarctic Division
4
Global warming
4
Ice Shelf
4
Point Barrow
4
Queen Maud Land
4
aurora australis
4
Antarctic Peninsula
3
Bering Sea
3
Iceberg*
3
West Antarctica
3
Climate change
2
Emperor penguins
2
Ice Shelves
2
Laptev Sea
2
McMurdo Sound
2
Norsk Polarinstitutt
2
Norwegian Polar Institute
2
Ongulkalven Island
2
Pygoscelis adeliae
2
Ross Island
2
Rumpa Island
2
Scientific Committee on Antarctic Research
2
Shirase Glacier
2
Siberia
2
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