Open Polar Keyword
国立極地研究所
National Institute of Polar Research
66
Antarc*
60
Antarctic
54
Antarctica
23
Sea ice
14
Arctic
7
Antarctic Ocean
6
East Antarctica
6
Ice Sheet
6
Southern Ocean
6
Dronning Maud Land
5
IPY
5
International Polar Year
4
Svalbard
4
aurora australis
4
Ross Island
3
EISCAT
2
Ice Shelf
2
Amundsen-Scott
1
Black Island
1
British Antarctic Survey
1
Clione limacina
1
E. Antarctica
1
Enderby Land
1
Greenland
1
Icebreaker
1
Iceland
1
Limacina helicina
1
McMurdo Sound
1
Ny Ålesund
1
Ny-Ålesund
1
Ross Sea
1
South pole
1
Tiksi
1
Tonagh Island
1
Totten Ice Shelf
1
ice algae
1
ice core
1
okhotsk sea
1
polar night
1