Open Polar Keyword
Antarc*
30
Antarctic
26
Antarctica
13
Sea ice
10
National Institute of Polar Research
7
Southern Ocean
5
Adelie penguin
4
Prydz Bay
4
ice algae
4
East Ongul Island
3
Ongul Island
3
Antarctic Krill
2
Antarctic Ocean
2
Arctic
2
Australian Antarctic Division
2
East Antarctica
2
Euphausia superba
2
King George Island
2
Nelson Island
2
Weddell Seal
2
aurora australis
2
ice covered areas
2
Amundsen Bay
1
Australian Antarctic Program
1
Beaufort Sea
1
E. Antarctica
1
IPY
1
Institute for Marine and Antarctic Studies
1
International Polar Year
1
Prudhoe Bay
1
South Shetland Islands
1
ice core
1
ice covered waters
1
国立極地研究所
1