Open Polar Keyword
Antarc*
141
Ongul Island
105
Antarctic
99
Antarctica
89
East Ongul Island
75
Sea ice
26
East Antarctica
20
Ice Sheet
20
Prince Olav Coast
14
Icebreaker
6
Adelie penguin
4
National Institute of Polar Research
4
South pole
4
Victoria Land
3
Antarctic Peninsula
2
Dronning Maud Land
2
Enderby Land
2
Ice cap
2
Iceberg*
2
Norwegian Polar Institute
2
Rumpa Island
2
Shirase Glacier
2
Southern Ocean
2
Weddell Seal
2
polar night
2
Antarctic Ocean
1
Mite
1
Nanorchestes antarcticus
1
Ongulkalven Island
1
Prince Harald Coast
1
Ross Island
1
antarcticus
1
eskimo*
1
ice core
1
国立極地研究所
1