Open Polar Keyword
Antarc*
85
Antarctic
67
Antarctica
46
Sea ice
15
国立極地研究所
13
National Institute of Polar Research
10
Ice Sheet
9
East Antarctica
7
ice core
5
South pole
3
Amundsen-Scott
2
Arctic
2
East Ongul Island
2
Greenland
2
Icebreaker
2
Ongul Island
2
Queen Maud Land
2
aurora australis
2
Alfred Wegener Institute
1
Antarctic Peninsula
1
Australian Antarctic Division
1
Deception Island
1
E. Antarctica
1
GRIP
1
Iceberg*
1
King George Island
1
Livingston Island
1
Macquarie Island
1
SCAR
1
South Shetland Islands
1
Southern Ocean
1
midnight sun
1