Open Polar Keyword
Antarc*
800
Antarctic
614
Memoirs of National Institute of Polar Research
419
Polar Research
419
Antarctica
342
国立極地研究所
185
National Institute of Polar Research
120
Sea ice
115
Polar meteorology and glaciology
81
Arctic
80
Ice Sheet
80
Polar Biology
56
Proceedings of the NIPR Symposium on Polar Biology
56
Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology
56
Sakhalin
52
Ongul Island
50
East Antarctica
43
Iceland
36
Prince Olav Coast
36
East Ongul Island
35
Icebreaker
31
Polar geoscience
31
ice core
30
Southern Ocean
26
Antarctic Ocean
24
Polar bioscience
24
Enderby Land
23
Adelie penguin
22
Planktonic foraminifera
22
South pole
19
toothed whales
19
Greenland
17
Victoria Land
17
Alaska
16
Itelmen
15
Nivkh
15
Queen Maud Land
15
Ross Island
15
Siberia
15
Svalbard
15
Dronning Maud Land
14
Crassostrea gigas
13
North Atlantic
13
Kamchatka
11
aurora australis
11
okhotsk sea
11
polar night
11
Amundsen Bay
10
Euphausia superba
10
Subarctic
10
more ...