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Matsuba Lab
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The lab studies coastal environmental engineering, aiming for coasts that combine a rich natural environment with disaster protection functions.
AboutAbout the lab
Coasts that serve both nature and disaster protection
The Matsuba Lab specializes in coastal environmental engineering and conducts research aimed at coasts that combine a rich natural environment with disaster protection functions.
Coasts protect land by weakening the energy of waves, and they are also home to many living things.
The lab uses the latest observation technology to capture coastal change, and investigates these phenomena in detail through numerical simulations of waves and currents.
Graduate students are admitted from the Graduate School of Frontier Sciences, and undergraduate thesis students from the Department of Civil Engineering in the Faculty of Engineering.
Key terms
- Wave run-up
- The movement of waves that have reached the shore up a sandy beach slope or a seawall
- LiDAR
- A technology that shines laser light and measures distance from the time it takes to bounce back
- Infragravity waves
- Waves with a much longer period than ordinary waves. They develop near the coast and can increase damage during high waves
NewsLab news
Review paper on wave observation methods published in Reviews of Geophysics
Lab information session held at Kashiwa Campus for the 2026 admissions cycle
Paper on tsunamis and wind waves published in Coastal Engineering Journal
Paper on run-up observation published in Coastal Engineering Journal
ResearchResearch themes
Aiming to solve problems related to coastal management, the lab conducts wide-ranging research with the coast as its field. Centered on coastal monitoring technology, understanding of waves, currents, and topographic change, and prediction of high waves and topographic change, it carries out research through field observation and numerical models.
*Illustrative imageObserving and predicting wave run-up
Using LiDAR, the lab develops technology to observe wave run-up continuously in real time, even at night and in stormy weather. It also develops methods to predict run-up height from the data obtained.
*Illustrative imageEstimating seafloor topography from sea-surface video
The lab develops methods that extract wave speed and period from sea-surface video taken by drones and surveillance cameras, and then estimate water depth over a wide area based on wave theory.
*Illustrative imageHow waves behave near the coast
Focusing on infragravity waves that grow as waves arriving from offshore transform and break near the coast, as well as on the run-up of high waves, the lab studies wave mechanisms and prediction through analysis of observation data and numerical models.
*Illustrative imageAnalyzing coastal disasters in retrospect
After storm surges and high waves from typhoons or tsunamis from earthquakes, the lab conducts field surveys, analyzes observation data and surveillance camera footage, and reproduces events with numerical models to clarify what actually happened during the disaster.
MembersFaculty
The members of the Matsuba Lab consist of faculty, master's and undergraduate students, and research students.As of 2026
- LecturerYoshinao MatsubaPublications ↗
VoicesStudent voices
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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: “Hasaki Beach, Ibaraki 08” Σ64 / CC BY 4.0 (cropped)
- Observing and predicting wave run-up: “Splashing water wavesin Wimereux vague 4753” Lamiot / CC BY-SA 4.0 (cropped)
- Estimating seafloor topography from sea-surface video: “Top view of waves on a beach (Unsplash)” Pedro Gabriel Miziara pgmiziara / CC0 (cropped)
- How waves behave near the coast: “Lonely Wave” Eddie Oosthuizen / CC BY-SA 4.0 (cropped)
- Analyzing coastal disasters in retrospect: “Storm Damage to breakwater - geograph.org.uk - 71907” Hugh Venables / CC BY-SA 2.0 (cropped)
- Related lab (Sasaki Lab): “Tokyo L7 lrg” Image courtesy Ron Beck, USGS Eros Data Center Satellite Systems Branch / Public domain (cropped)
- Related lab (River and Watershed Environment Lab, Kawasaki Group): “Defense.gov photo essay 111016-M-ZN194-151” Cpl. Robert J. Maurer / Public domain (cropped)
- Related lab (Coast and Coastal Environment Lab): “Utoma, Samani, Hokkaido 01” motoGP from Japan. / CC BY 2.1 jp (cropped)
- Related lab (Oki Lab): “Global Total Precipitable Water Vapor for May )” Atmospheric Infrared Sounder / Public domain (cropped)
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