Open Polar Keyword
Antarc*
20
Arctic
16
Antarctica
13
Antarctic
7
East Antarctica
7
Planktonic foraminifera
6
Siberia
6
permafrost
6
Alaska
4
Subarctic
4
lena river
4
polar night
4
国立極地研究所
4
Greenland
3
Kamchatka
3
Southern Ocean
3
Barents Sea
2
Greenland Sea
2
Yakutia
2
Yakutsk
2
glacier
2
ice core
2
taiga
2
Antarctic Ocean
1
Antarctic Peninsula
1
Chukotka
1
Climate change
1
EISCAT
1
Evenki
1
Ice Sheet
1
International Arctic Research Center
1
McMurdo Sound
1
North Atlantic
1
Pacific oyster
1
Prince Olav Coast
1
Sakha Republic
1
Sea ice
1
Tagish
1
Victoria Land
1
Yukon
1
Yukon river
1
ice algae
1
karelia*
1
nenets
1