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Yamazaki Lab
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A lab that uses models and satellites to capture the movement of water in rivers and lakes across the entire globe.
AboutAbout the lab
Understanding land water dynamics on a global scale.
Yamazaki Lab studies the flow of water on land, including rivers, lakes, wetlands, and groundwater, and how it changes, at the scale of the entire globe.
Its main methods are numerical modeling, satellite remote sensing, and data integration, and it also values field observations to make its models more reliable.
The lab also works on assessing how changes in water, such as floods and water resources, affect human society.
It is the development hub of the global river model CaMa-Flood, and makes the source code publicly available.
Key terms
- Remote sensing
- A technology that measures the condition of the land surface and water in distant places from satellites and other platforms
- Data assimilation
- A method that incorporates observational data into simulations to estimate a more reliable state
- Earth system model
- A model that calculates the interactions among the atmosphere, ocean, land, and living things together to reproduce the Earth's climate
NewsLab news
A graduate won the Thesis of the Year Award from ADB-JSP
Associate Professor Yamazaki received the AGU Outstanding Reviewer Award
A doctoral graduate received the Dean's Award (Research) from the School of Engineering
Associate Professor Yamazaki received the Citation Honor Award from the Department of Civil Engineering
A master's student received the Furuichi Award from the Department of Civil Engineering
ResearchResearch themes
The lab aims to understand and predict the movement of water on land, from the local to the global scale, including its relationship with the Earth system and human society. Its research centers on numerical modeling, satellite remote sensing, and data integration.
*Illustrative imageGlobal river flow modeling
The lab develops CaMa-Flood, a global river model that can handle everything from large rivers flowing across continents to the fine-scale topography of river channels and floodplains. It incorporates the process of water overflowing during floods and computes river flow efficiently.
*Illustrative imageBuilding global terrain datasets
Water movement is strongly influenced by terrain. By combining multiple satellite datasets and other sources, the lab builds high-accuracy global terrain data (the MERIT series) that can be used directly in water calculations.
*Illustrative imageObserving the Earth's water from satellites
The lab measures water on land using satellite observations such as optical, radar, altimetry, and gravity data. By combining models and observations through data assimilation, it also estimates quantities that cannot be seen directly from space, such as river bed depth.
*Illustrative imageWater dynamics in climate models
The lab improves how the movement of water on land is represented in climate models and Earth system models. It also addresses greenhouse gases emitted from rivers, lakes, and wetlands, as well as the movement of water on slopes.
MembersFaculty
Members of Yamazaki Lab include faculty, postdoctoral researchers, collaborative researchers, doctoral, master's, and undergraduate students, and visiting students.As of 2026
- Associate ProfessorDai YamazakiPublications ↗
- Project Associate ProfessorHiroyasu YasudaPublications ↗
- Assistant ProfessorTaishi YazawaPublications ↗
- Project Assistant ProfessorMd. Rezuanul Islam Fahim
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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: “Amazon-river-NASA” NASA / Public domain (cropped)
- Global river flow modeling: “Flooding on the Mekong River (13982)” NASA image created by Jesse Allen, Earth Observatory using data obtained from the MODIS Rapid Response team. / Public domain (cropped)
- Building global terrain datasets: “PIA03369 Perspective View with Color-Coded Shaded Relief Central Panama” NASA/JPL / Public domain (cropped)
- Observing the Earth's water from satellites: “SWOT spacecraft model” NASA / Public domain (cropped)
- Water dynamics in climate models: “Methane bubbles in a tundra pond ( )” USFWSAlaska / Public domain (cropped)
- Related lab (Oki Lab (Institute of Industrial Science)): “Mt.Hiuchigatake from Mt.Shibutsu 01” Σ64 / CC BY 3.0 (cropped)
- Related lab (Takeuchi Lab): “Southeast Asia (MODIS)” MODIS Land Rapid Response Team, NASA GSFC / Public domain (cropped)
- Related lab (Sawada Lab): “Typhoon In-Fa (MODIS )” MODIS Land Rapid Response Team, NASA GSFC / Public domain (cropped)
- Related lab (Transportation, Urban and Land Studies Lab (BinN / Urban Life Studies and Network Behavior Research Group)): “X-shaped pedestrian Sakura bridge over Sumida river, linking Taitō and Sumida wards, view from Tokyo Skytree, Japan” Basile Morin / CC BY-SA 4.0 (cropped)
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