| Ocean Salinity | Link to 2018 (global ocean data) | https://www.nodc.noaa.gov/OC5/woa18f/index.html | External website |
| Ocean Salinity | Link to the study of sea surface salinity (Satellite Laboratory - Dr. Abe) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=796 | Course 'Research on Sea Surface Salinity' |
| Ocean Salinity | Go to the "Ocean Chemistry" contents. | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
| Ocean Salinity | Deep circulation drive and conveyor belt model | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1403 | Course 'Deep circulation drive and conveyor belt model' |
| Ocean Salinity | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=118 | Course '海洋の塩分' |
| Deep circulation drive and conveyor belt model | Link to World Ocean Atlas 2018 (global ocean data) | https://www.nodc.noaa.gov/OC5/woa18f/index.html | External website |
| Deep circulation drive and conveyor belt model | Link to Climate Agency (on deep circulation changes) | http://www.data.jma.go.jp/kaiyou/db/mar_env/knowledge/deep/deep.html | External website |
| Deep circulation drive and conveyor belt model | Go to the "Ocean Chemistry" contents. | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
| Deep circulation drive and conveyor belt model | Go to previous course（Ocean Salinity） | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1402 | Course 'Ocean Salinity ' |
| Deep circulation drive and conveyor belt model | Go to the next course（Antarctic Bottom Water and North Pacific Deep Water） | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1426 | Course ' Antarctic Bottom Water and North Pacific Deep Water' |
| Deep circulation drive and conveyor belt model | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=119 | Course '深層循環の駆動とベルトコンベヤーモデル' |
| Organic Chemistry (undergraduate specialty) class introduction course | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=759 | Course '有機化学 Organic Chemistry（学部専門）の授業紹介コース' |
| Surface Mixed Layer | Ocean stratification and mixing (link to video teaching material) | https://www.youtube.com/watch?v=Zn7lPzm4e_U | External website |
| Surface Mixed Layer | Go to the "Ocean Chemistry" contents. | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
| Surface Mixed Layer | Go to previous course (North Pacific Middle Water) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1429 | Course 'Intermediate waters of the North Pacific' |
| Surface Mixed Layer | Go to the next course (Spring Bloom and Surface Mixed Layer) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1408 | Course 'Spring Bloom and Surface Mixed Layer' |
| Surface Mixed Layer | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=120 | Course '表層混合層' |
| Spring Bloom and Surface Mixed Layer | Link to Satellite Oceanography (Dr. Hiratsugu) course | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=87 | Course '海水の光学特性 –植物プランクトンを衛星から見る–' |
| Spring Bloom and Surface Mixed Layer | Summary course of research and study of Funka-Bay | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=507 | Course '噴火湾のコース集' |
| Spring Bloom and Surface Mixed Layer | 2021.3.18 Plankton net observation at diatom bloom (link to video) | https://youtu.be/7u0sUeYUlDQ | External website |
