Open Polar Keyword
Antarc*
27
Antarctic
27
Antarctica
13
Sea ice
9
Ice Sheet
6
Arctic
4
National Institute of Polar Research
3
Southern Ocean
3
国立極地研究所
3
Amundsen Bay
2
East Antarctica
2
Global warming
2
Amundsen-Scott
1
Antarctic Ocean
1
Antarctic Peninsula
1
Icebreaker
1
South pole
1
Svalbard
1
West Antarctica
1
ice algae
1
ice core
1
okhotsk sea
1