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Coastal and Ocean Engineering Lab
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The lab observes and predicts coastal waves and storm surges to contribute to disaster prevention.
AboutAbout the lab
Observing the sea, thinking it through, and connecting it to the future of the coast.
The Coastal and Ocean Engineering Lab studies how to understand, predict, and take countermeasures against coastal disasters such as typhoons, high waves, and storm surges.
Focusing mainly on the Kyushu coast, the lab combines field observation, hydraulic model experiments, numerical simulation, and AI to capture phenomena and risks such as wave overtopping, storm surges, and high waves.
The lab aims to turn the knowledge it obtains into technologies that benefit coastal communities, such as disaster prevention facilities and prediction systems.
Key terms
- Wave overtopping
- Waves going over a seawall. The lab also investigates how overtopping and spray are generated
- Storm surge
- A rise in sea level caused by a typhoon. It is affected by the typhoon's track, the shape of the bay, and tides. The lab works on quantifying inundation risk
- Climate change adaptation
- Considering long-term coastal disaster prevention with future typhoons and sea level rise in mind
ResearchResearch themes
The lab works to understand phenomena that occur at sea, predict the future, and develop technologies that contribute to the safety of coastal communities. Its research takes four perspectives: wave overtopping disasters, storm surge disasters, high wave disasters, and climate change adaptation.
*Illustrative imageMechanisms of Wave Overtopping and Countermeasures
Using hydraulic model experiments and numerical simulation, the lab investigates how wave overtopping, in which waves go over a seawall, and spray are generated. It also verifies the effectiveness of new wave overtopping countermeasures and applies the results to the design of safer coastal facilities.
*Illustrative imageInundation Risk from Storm Surges
The lab analyzes how typhoon tracks, bay topography, and tides affect storm surges. Using numerical models and optimization methods, it shows concretely what inundation could occur.
*Illustrative imagePredicting Waves from Observation Data
Using data assimilation and machine learning, the lab develops methods to predict waves in real time. It considers not only prediction accuracy but also the evaluation of uncertainty and its use in on-site decision-making.
*Illustrative imageClimate Change Adaptation and Future Storm Surges
From large-scale climate projection data, the lab analyzes future changes in typhoons, precipitation, and storm surges. It clarifies regional impacts and uses them to inform long-term adaptation measures.
MembersFaculty
The members of the Coastal and Ocean Engineering Lab consist of faculty, technical staff, and doctoral (including working-professional doctoral), master's, and undergraduate students.As of 2026
- ProfessorMasaru Yamashiro
- Assistant ProfessorYoshihiko Ide
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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: “Seawall-large(USGS)” USGS / Public domain (cropped)
- Mechanisms of Wave Overtopping and Countermeasures: “Breakwater - geograph.org.uk - 493424” Mark Duncan / CC BY-SA 2.0 (cropped)
- Inundation Risk from Storm Surges: “Milford, Conn., Nov. 8, 2012 -- The home on pilings suffered minimal damage from the storm surge, compared to the home that was not elevated. FEMA's Mitigation Division provides gui - DPLA - 5975e5e5b5cc13888ce709a5be32ca53” Department of Homeland Security. Federal Emergency Management Agency. Public Affairs Division. 3/1/2003 / Public domain (cropped)
- Predicting Waves from Observation Data: “Wave rider buoy” Rémi Kaupp / CC BY-SA 3.0 (cropped)
- Climate Change Adaptation and Future Storm Surges: “Increased Storm Surge at Golden Gate (fc4db268-ac4e-c96b-cfcb-cb3b18271e3e)” NPS photo / Public domain (cropped)
- Related lab (環境流体力学研究室): “Surface waves” Roger McLassus / CC BY-SA 3.0 (cropped)
- Related lab (防災地盤工学研究室): “Road failure from slope instability in Shasta-Trinity National Forest” Shopstone / CC0 (cropped)
- Related lab (水圏環境工学研究室): “Pentwyn Reservoir in drought (geograph 7271833)” Martin Laverty / CC BY-SA 2.0 (cropped)
- Related lab (災害数理研究室): “Tsunami simulations Ofunato City” Ōfunato City, Prefecture Iwate, Japan / CC BY 3.0 igo (cropped)
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