Open Polar Keyword
South pole
480
Antarc*
90
Antarctic
63
Antarctica
51
East Antarctica
11
Amundsen-Scott
9
North Pole
9
Arctic
6
Southern Ocean
5
ice core
5
polar night
5
Ice Sheet
4
glacier*
4
国立極地研究所
4
Annals of Glaciology
3
Antarctic Peninsula
3
Dronning Maud Land
3
Greenland
3
West Antarctica
3
Climate change
2
Ice Shelf
2
Ice cap
2
National Institute of Polar Research
2
Polar Research Institute of China
2
Ross Ice Shelf
2
Sea ice
2
Victoria Land
2
Abisko
1
Arctic Ocean
1
Emperor penguins
1
Global warming
1
McMurdo Dry Valleys
1
Polar Ice Cap
1
Prince Charles Mountains
1
Princess Elizabeth Land
1
Queen Mary land
1
Ross Island
1
Ross Sea
1
Weddell Sea
1
Wilkes Land
1