Open Polar Keyword
Antarc*
97
Antarctica
68
国立極地研究所
63
Antarctic
37
National Institute of Polar Research
31
East Antarctica
8
Ice Sheet
4
Sea ice
4
Dronning Maud Land
2
Enderby Land
2
Ongul Island
2
Tardigrade
2
Antarctic Krill
1
Antarctic Ocean
1
Antarctic Peninsula
1
Arctic
1
Arctic Ocean
1
IPY
1
Iceland
1
South pole
1
Southern Ocean
1
Weddell Sea
1
Weddell Seals
1
ice core
1