Open Polar Keyword
Antarc*
33
Antarctic
21
Antarctica
19
Ice Sheet
18
ice core
6
East Antarctica
4
South pole
4
Arctic
3
National Institute of Polar Research
3
国立極地研究所
2
Antarctic Ocean
1
Dronning Maud Land
1
East Ongul Island
1
Enderby Land
1
Greenland
1
Ice Shelf
1
Ice Shelves
1
Ongul Island
1
Queen Maud Land
1
Sea ice
1
Southern Ocean
1
Svalbard
1
glacier
1
polar night
1