Open Polar Keyword
Antarc*
18
Antarctic
18
Antarctica
9
Sea ice
6
Ice Sheet
4
Southern Ocean
3
Arctic
2
East Antarctica
2
National Institute of Polar Research
2
国立極地研究所
2
Amundsen Bay
1
Amundsen-Scott
1
Antarctic Ocean
1
Antarctic Peninsula
1
Global warming
1
Icebreaker
1
South pole
1
West Antarctica
1
ice algae
1
ice core
1
okhotsk sea
1