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Environmental Fluid Dynamics Lab
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A lab that uses fluid dynamics to uncover the causes of water environment problems in the sea and rivers.
AboutAbout the lab
Taking on water, the greatest challenge of this century
The Environmental Fluid Dynamics Lab studies water environment problems that occur in natural water bodies such as seas, rivers, and lakes.
Water is essential not only to humans but to all living things in nature, yet population growth and global warming are predicted to cause a shortage of good-quality water resources.
At the same time, warming is said to intensify changes in rainfall and strengthen tropical cyclones, raising concern about increasing flood damage.
Through developing technologies to conserve and restore the water environment, clarifying the mechanisms by which the water environment deteriorates, and investigating disasters such as floods, the lab searches for ways to achieve both disaster prevention and environmental conservation.
Key terms
- Blue carbon
- Carbon that is taken up by marine plants and ecosystems and stored in the sea
- Dredging
- Construction work that digs up and removes sediment from the bottom of a body of water. It is also used to remove contaminated bottom sediment
- Adaptation measures
- Preparations taken to reduce damage, based on the premise that climate change is unavoidable
NewsLab news
Two students won an Excellent Presentation Award at the Environmental Hydraulics Subcommittee Research Meeting 2026 in Awaji Island
An undergraduate student won an Excellent Presentation Award at the FY2024 (Reiwa 6) Japan Society of Civil Engineers (JSCE) Western Branch Research Presentation Meeting
Two undergraduate students won an Excellent Presentation Award at the FY2023 (Reiwa 5) Japan Society of Civil Engineers (JSCE) Western Branch Research Presentation Meeting
ResearchResearch themes
The lab seeks to uncover, from the standpoint of fluid dynamics, the water environment problems that occur in natural water bodies ranging from coastal seas to rivers and lakes. Working together with biology, ecological engineering, and analytical chemistry, it explores adaptation measures to the disasters and ecosystem changes that are growing with climate change, aiming to build a body of technology that achieves both disaster prevention and environmental conservation.
*Illustrative imageInvestigating environmental anomalies in the Ariake Sea
The lab studies the causes of the environmental anomalies occurring in the Ariake Sea and countermeasures against them. It combines field surveys of currents, ocean structure, and the transport of materials such as suspended matter with analysis using numerical models.
*Illustrative imageTracking the movement of mercury along the coast
In Minamata Bay, sediment containing mercury was dredged as part of environmental restoration, and the bay is now in a safe condition. The lab investigates the movement of the very small amount of remaining mercury through field surveys and the development of numerical models, in order to confirm future safety. The model is also expected to be applicable to mercury pollution in coastal areas around the world.
*Illustrative imageConsidering adaptation measures to global warming
Starting from the premise that global warming is unavoidable, the lab conducts research that shifts its focus to adaptation measures. In the field of water-related disasters, it works on driftwood countermeasures and flood-flow control technologies, and it also assesses the impacts of global warming on the water environment and studies adaptation measures.
*Illustrative imageCarbon stored by marine ecosystems
Targeting the Yatsushiro Sea, where eelgrass and corals grow, the lab investigates the movement of CO2 taken up by ecosystems, so-called blue carbon, through field surveys and numerical modeling. Little is known about places where corals and eelgrass coexist, so new discoveries are expected.
MembersFaculty
The members of the Environmental Fluid Dynamics Lab consist of faculty, administrative assistants, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorShinichiro Shinichiro
- Associate ProfessorRei Itsukushima
- Associate ProfessorYasuyuki Maruya
- Project Assistant ProfessorHao Lin
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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: “Surface waves” Roger McLassus / CC BY-SA 3.0 (cropped)
- Investigating environmental anomalies in the Ariake Sea: “Lugworm casts on Gullmarsviken mudflats 1” W.carter / Public domain (cropped)
- Tracking the movement of mercury along the coast: “Fluorescent ink in water 4” Schbence / CC BY-SA 4.0 (cropped)
- Considering adaptation measures to global warming: “Driftwood in Israel” Davidbena / CC BY-SA 4.0 (cropped)
- Carbon stored by marine ecosystems: “Posidonia oceanica meadow and school of Salema porgy - Exploration and observation - Calanque de Sormiou - June 2022” Karim saari / CC BY 4.0 (cropped)
- Related lab (沿岸海洋工学研究室): “Seawall-large(USGS)” USGS / Public domain (cropped)
- Related lab (防災地盤工学研究室 グローバル地盤災害環境適応学グループ): “Liquefaction,Hinode,Itako-city,Japan” Katorisi / CC BY-SA 3.0 (cropped)
- Related lab (国土政策・防災研究室): “Tokyo Rinkai Disaster Prevention Park” 碧城 / CC BY-SA 3.0 (cropped)
- Related lab (地圏環境システム工学研究室): “Outcrop in Nagoe Kiridoshi Pass” Osumi Akari / CC BY-SA 4.0 (cropped)
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