Open Polar Keyword
Ice Sheet
Sea ice
Antarc*
28
Antarctic
25
Antarctica
11
National Institute of Polar Research
8
East Antarctica
6
ice core
3
国立極地研究所
3
Amundsen Bay
2
Arctic
2
Dronning Maud Land
2
East Ongul Island
2
Greenland
2
Norwegian Polar Institute
2
Ongul Island
2
Prince Olav Coast
2
Queen Maud Land
2
South pole
2
ice algae
2
okhotsk sea
2
Arctic Council
1
Climate change
1
Shirase Glacier
1