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Biogeochemistry Lab (Yamamoto)
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The lab uses computation to reproduce marine ecosystems and material cycles and to explore how they change.

AboutAbout the lab
Uncovering how the ocean circulates carbon
The lab of Associate Professor Akitomo Yamamoto studies changes in marine ecosystems and biogeochemical cycles associated with climate change and human activities.
The ocean stores far more carbon than the atmosphere or land, and is thought to have played a major role in past changes in atmospheric carbon dioxide.
The present-day ocean absorbs about a quarter of the carbon dioxide emitted by human activities.
The lab runs numerical simulations of past, present, and future climate states and interprets the results together with observational data and paleoenvironmental data.
Key terms
- Biogeochemical cycles
- The movement of substances such as carbon and nitrogen among the ocean, atmosphere, and land
- Biological pump
- The process by which carbon at the ocean surface is carried to deeper waters through the activity of plankton and other organisms
- Nutrients
- Substances such as nitrogen, phosphorus, and iron that plankton need in order to grow
ResearchResearch themes
The lab aims to clarify how marine ecosystems and biogeochemical cycles change under climate change and human activities. It conducts numerical simulations and combines them with observational data and paleoenvironmental data.
View More ↗MembersFaculty
- Associate ProfessorAkitomo Yamamoto
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Phytoplankton bloom off Chatham Island, South Pacfic Ocean (MODIS )” Jeff Schmaltz, MODIS Land Rapid Response Team, NASA GSFC / Public domain (cropped)
- Changes in Marine Ecosystems and Biogeochemical Cycles: “Phytoplankton Bloom off Vancouver Island, British Columbia” NASA Visible Earth / Public domain (cropped)
- Related lab (生物地球化学分野
(戸丸 仁) ): “Gashydrat mit Struktur” Wusel007 / CC BY-SA 3.0 (cropped) - Related lab (服部研究室): “Floating core fluxgate inclinometer compass autonnic” User Mike1024 / Public domain (cropped)
- Related lab (地球物理学教育研究分野
(佐藤 利典) ): “Plongée en bassin d'essais pour le test des sismomètres OBS (Ocean Bottom Seismometer) (Ifremer )” Olivier Dugornay (Ifremer) / CC BY 4.0 (cropped) - Related lab (地球物理学教育研究分野
(中西 正男) ): “Hakuho Maru, Fremantle, 2019 (01)” Bahnfrend / CC BY-SA 4.0 (cropped)
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