Topic
431.67
146
G1-922
135
Geography (General)
135
Nihon Nankyoku Chiiki Kansokutai
28
551.46
22
551.5
16
62(*2)
15
海氷
10
452
6
59(26)
5
468
4
sea ice
4
北極
4
551.4:551.77/.79
3
591.5
3
Antarctic
3
Arctic
3
Sea ice
3
オホーツク海
3
南大洋
3
南極
3
南極底層水
3
南極海
3
生態系変動
3
225.8
2
400
2
450
2
660
2
Arctic Ocean
2
East Antarctic Ice Sheet
2
Ecosystem dynamics in the Antarctic sea ice zone
2
Japan. Kishōchō
2
Lake and marine sediment coring
2
Polarimetric SAR / Scattering mechanism / Image classification / Odd/Even/Diffuse scattering / Sphere/Diplane/Helix scattering / Sea ice classification
2
Sea Ice
2
Seaice
2
Southern Ocean
2
Soya Coast
2
atmospheric radiation
2
breeding area
2
greenhouse effects
2
paleoclimate
2
portable piston corer
2
satellite transmitter
2
sea ice extent
2
seasonal variations
2
spotted seal
2
ゴマフアザラシ
2
リモートセンシング
2
リュツォ・ホルム湾
2
more ...