Open Polar Keyword
Antarc*
2,269
Antarctic
1,680
Antarctica
1,130
国立極地研究所
511
Sea ice
468
Memoirs of National Institute of Polar Research
419
Polar Research
419
Arctic
265
Sakhalin
259
Ice Sheet
236
National Institute of Polar Research
236
East Antarctica
214
Iceland
108
Ongul Island
105
okhotsk sea
104
ice core
92
Southern Ocean
88
Subarctic
86
Polar meteorology and glaciology
81
Prince Olav Coast
79
East Ongul Island
75
Antarctic Ocean
73
Alaska
67
Icebreaker
66
Greenland
65
Enderby Land
61
Polar Biology
56
Proceedings of the NIPR Symposium on Polar Biology
56
Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology
56
Kamchatka
55
Siberia
53
Victoria Land
50
South pole
49
Methane hydrate
46
Adelie penguin
45
inuit
43
taiga
43
permafrost
42
Polar Science
41
Queen Maud Land
40
Nivkh
39
Ross Island
38
Dronning Maud Land
37
Koryak
35
Yukaghir
35
Svalbard
34
Arctic Ocean
33
Planktonic foraminifera
33
Crassostrea gigas
31
McMurdo Sound
31
more ...