Open Polar Keyword
Antarc*
186
Antarctic
136
Antarctica
116
East Antarctica
63
Ice Sheet
52
Sea ice
25
Queen Maud Land
14
National Institute of Polar Research
12
Enderby Land
10
ice core
10
Iceland
8
Prince Olav Coast
7
Amundsen Bay
6
Icebreaker
6
South pole
5
Ongul Island
4
国立極地研究所
4
Ice Shelf
3
Adelie penguin
2
E. Antarctica
2
East Ongul Island
2
Ice Shelves
2
Tonagh Island
2
Weddell Seal
2
polar night
2
Greenland
1
Norsk Polarinstitutt
1
Sakhalin
1
Weddell Seals
1