Open Polar Keyword
Tundra
permafrost
7
Arctic
6
Ice
4
Siberia
4
Beringia
2
Svalbard
2
Thermokarst
2
Yukon
2
Antarc*
1
Antarctic
1
Beaufort Sea
1
Betula nana
1
Dwarf birch
1
Herschel
1
Herschel Island
1
IPY
1
Ice Sheet
1
International Polar Year
1
Magnetic susceptibility
1
Subarctic
1
Yakutiya
1
kolyma river
1
lena delta
1
wedge*
1