Open Polar Keyword
Icebreaker
Antarc*
62
Antarctic
62
Sea ice
18
Antarctica
12
Amundsen Bay
7
Southern Ocean
7
Enderby Land
6
National Institute of Polar Research
6
Ongul Island
6
Prince Olav Coast
6
aurora australis
6
Antarctic Ocean
4
East Ongul Island
4
Arctic
2
Norsk Polarinstitutt
2
South pole
2
Adelie penguin
1
E. Antarctica
1
Prydz Bay
1
国立極地研究所
1