Open Polar Keyword
Antarc*
35
Antarctic
29
Sea ice
22
Antarctica
15
National Institute of Polar Research
5
国立極地研究所
5
Southern Ocean
4
Antarctic Ocean
3
East Ongul Island
2
Ice Sheet
2
Ongul Island
2
Prince Olav Coast
2
Queen Maud Land
2
Cosmonaut sea
1
Dronning Maud Land
1
East Antarctica
1
Fram Strait
1
Ice cap
1
Iceberg*
1
Icebreaker
1
Kongsfjord*
1
Kongsfjorden
1
Laptev Sea
1
Ross Sea
1
Shirase Glacier
1
Spitsbergen
1
Weddell Sea
1
aurora australis
1
ice core
1
laptev
1