Open Polar Keyword
Antarc*
34
Antarctic
26
Sea ice
25
Antarctica
15
Southern Ocean
8
Spitsbergen
3
Antarctic Ocean
2
Arctic
2
Arctic Ocean
2
Cosmonaut sea
2
Dronning Maud Land
2
Fram Strait
2
Greenland
2
Greenland Sea
2
Icebreaker
2
International Polar Year
2
Kongsfjord*
2
Kongsfjorden
2
National Institute of Polar Research
2
Prince Olav Coast
2
R/V Lance
2
Weddell Sea
2
aurora australis
2
ice core
2
国立極地研究所
1