Prof. Dr. Tetsuya Sumi

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Overview My Papers and Presentations My Videos

Prof. Dr. Tetsuya Sumi

Kyoto University

My Profile

About

Tetsuya Sumi is Professor at the Water Resources Research Centre, Disaster Prevention Research Institute (DPRI), Kyoto University, Japan. His specialties are hydraulics and dam engineering, with particular emphasis on integrated sediment management for reservoir sustainability and the improvement of river basin environment.

Career Type:

Scientist/Researcher/Academic

Organization Type:

Universities and Academia

Expertise Fields/Interests:

1) Asset management of dams and development of reservoir sediment management methods 2) Development of riverbed management methods for habitat creation and maintenance 3) Restoration of sustainable interactions between human use and ecosystem responses in water front environments 4) Water resources management in trans boundary river basins ex. the Nile and the Mekong River Basin.

Major Achievements:

Technical Committees

Committee Name
Working Group on Reservoir Sedimentation
Committee on Fluvial Hydraulics
Committee on Ecohydraulics
Committee on Hydraulic Structures
Committee on Water Resources Management

IAHR Position

Committee Name	Position	Start Date	End Date
Working Group on Reservoir Sedimentation	Member	2019-08-27	Now
Japan Chapter	Inspector	2012-01-01	Now

My Papers and Presentations

Title	Year
Dynamics of Estuarine Circulation and Morphological Alterations: A Case Study of the Vietnamese Mekong Delta	2025
Evaluating the Risk of Microplastic Contamination of Water Resources: Case of Mfoundi Subbasin-Cameroon	2025
Experimental Study of Self-Lining by Sediment Deposition over Strip Roughness Elements	2025
Increasing Pressure Between Water Supply and Power Production over Regional Water Resources in Heavy Snowfall Basin Under Changing Climate	2025
Machine Learning-Based 2D and 3D Abrasion Mapping: Evaluating the Influence of Successive Flood Events in Sediment Bypass Tunnels	2025
Mekong River Flow and Hydrological Extremes: Climate Change, Dam, and Reservoir Impacts	2025
Real-Time Predictions of Suspended Sediment Concentration Using Machine Learning	2025
Spatial Riverbed Elevation Variation and Reasonable Cross-Sectional Intervals in Bathymetric Measurements in the Vietnamese Mekong Delta	2025
Determine the Timing of Freshwater Appearance in Dinh an Branch of Mekong Estuaries	2024
Mapping of Abrasion Damages in Sediment Bypass Tunnels Using Machine Learning	2024
Proposal Construction Measures for Adapting to Salinity Intrusion in Mekong Estuaries	2024
Impact of Climate Change on Seasonal Operation of Hydropower Dam Reservoir in Heavy Snowfall Area in Japan Using 150-Year Continuous Climate Experiment	2023
Impacts of Hydrodynamics and Morphological Evolutions on River Sediment Budget	2023
Impacts of Seigyu Structure on Riverbeds and Its Geometrical Changes	2023
Methodology to Simulate Flow Around Kasumi-Dike -a Nature Based Solution	2023
Response of Hydrological to Anthropogenic Activities in a Tropical Basin	2023
Estimating Sediment Yield and Morphological Changes in Dry Reservoirs: Case Study Wadi Asserin, Oman	2022
Sedimentation and drains' clogging in recharge-flood protection dams in arid areas: lessons learned from Oman	2022
Dam-Induced Riverbed Incision and Saltwater Intrusion in the Mekong Delta	2020
Flow Patterns and Bed Changes Due to Traditional River Training Structures “Seigyu”	2020
Hydro-Geomorphological Formation Processes of Spawning Habitats for Ayu Fish Required Under Turbid Conditions by Dam Impacts in the Tenryu River	2020
Riverbed Incision in the Vietnamese Mekong Delta Due to Altered Flow Regime and Sediment Load	2020
The Influences of Tidal Regime and Morphology Change on Salinity Intrusion in Hau River	2019
Application of the Wavelet Transform to Sediment Grain Sizes Analysis with an Impact Plate for Bedload Monitoring in Sediment Bypass Tunnels	2018
Changes in the Sediment Budget and Morphodynamics of Vietnamese Mekong Delta	2018
Estimating Large Woody Debris Volume and Distribution Floated and Accumulated in Reservoir Using Aerial Photographs	2018
Evaluation of RRI Model for Flash Flood Simulation in the Arid Wadi Systems	2018
Hyporheic Exchange of a Grabel BAR Formed After a Dam Removal in the Kuma River, Kyushu, Japan	2018
Instream Geomorphological Features as Massive Natural Filters in Rivers: Ecolgical Consequences and Restration Efforts in Regulated Rivers Below Dams	2018
Long-Term Extreme Flash Floods Analysis Based on Hydrochronological Approach for Wadi Systems in Arid Regions	2018
Longitudinal Changes in Water Quality and Trophic Source Composition of Pom and Theirs Distribution Patterns Within a Gravel BAR in the Trinity River, California	2018
Measurement and Control of High Suspended Sediment Concentration During the Kurobe River Sediment Flushing with Submersible Type SMDP	2018
Numerical Study on Reservoir Sediment Management Through Adding Excavated Sediment Downstream of Dams in Japan	2018
Operation Improvement of the River Mouth Barrage for River Continuity	2018
Restoring Spawning Redds for Ayufish by Facilitating Work on up-Welling Zone in the Tenryu River	2018
Sediment Microbial Community Composition and Diversity of Restored Gravel Bars in the Trinity River, California	2018
Study on Applicability of Horizontal Two-Dimensional River Bed Variation Analysis to Dynamic Model of Vegetation Colonization in Sediment Bars of a Regulated River	2018
Advances and approaches in river sediment research	2017
Effects of sediment bypass tunnels on grain size distribution and benthic habitats in regulated rivers	2017
Applicability of Artificial Swarm Intelligence to Gravity Dam Design and Groundwater Model Identification	2016
Effects of Sediment Supply by Bypass Tunnels on Bed Topography, Grain Size, and Invertebrate Habitat	2016
Estimation of Habitat Potential for Ayu Fish by Riverbed Geomorphology	2016
Evaluating Different Flash Flood Mitigation Scenarios at Wadi Abadi, Eastern Desert, Egypt	2016
Irrigation Ponds in the Past, in the Present and for the Future: A Case of Higashi-Harima Region, Hyogo Prefecture, Japan	2016
Irrigation Ponds in the Past, in the Present and for the Future: A Case of Higashi-Harima Region, Hyogo Prefecture, Japan	2016
Predicting the Number of Ayu-Fish Migrating Upstream Each Year by a Distributed Hydrological Model in the Yodo River Basin	2016
Sustainable Development of Irrigation System with Sayama-Ike Reservoir	2016
Sustainable Development of Irrigation System with Sayama-Ike Reservoir	2016
The Birth, Growth, Decline and Rebirth of Gaecheon Stream in the Capital of the Joseon Dynasty (1392~1910)	2016
Three-Dimensional Numerical Modeling of Sediment Flushing: Case Study of Dashidaira Reservoir, Japan	2015
Energy Dissipation Within in-Ground Stilling Basin	2014
Estimation of the Local Scour Depth Around Real Scaled Bridge Piers Using Neural Networks and Adaptive Neuro-Fuzzy Inference System	2013
Flow Field Characteristics of in-Ground Stilling Basin Downstream of Flood Mitigation Dams	2013
Sustainable Countermeasures Using Frequency Analysis and Desiltation Strategy in a Reservoir	2012
The Effect of in-Ground Stilling Basin Geometry Combined by Slit-Type End-Sill on Flow Pattern and Energy Dissipation Below the Flood Mitigation Dams	2012
The Historical Changes of Aquatic Habitat Structure in the Kizu River	2012
Comprehensive Sediment Management Strategies in Japan: Sediment Bypass Tunnels	2011
Real Time Suspended Sediment Concentration Forecast by Rainfall Information: Case Study on Managawa River Basin, Japan	2009
Physical Properties and Erosion Processes of Reservoir Cohesive Bottom Sediments	2007
Sand BAR Landscape and Role of Vegatation and Subsurface Flow on Ecosystem Service	2007
Reservoir Sedimentation Management by Coarse Sediment Replenishment Below Dams	2004
Reservoir Sedimentation Management with Bypass Tunnels in Japan	2004

My Videos

Title	Year
Tetsuya Sumi - Dam upgrading for advanced sediment sluicing operation in the Mimi River, Japan	2021
Tetsuya Sumi - Challenges on Flood and Sediment Management of dams under changing climate in Japan	2021

IAHR Awards

IAHR Awards	Date