Course Title : River Engineering

Code 30460
Course Year 3rd year
Term 2nd Semester
Class day & Period Wed. 1
Location 155
Credits 2
Restriction No Restriction
Lecture Form(s) Lecture
Language Japanese
Instructor Hosoda, T. & Takemon, Y.,

Course Description

This subject deals with a wide range of basic knowledge on rivers required to make an integrated river basic management plan based on natural & social sciences and engineering& technology. The contents included in this subject are described as follows: various view-points in relation to river systems, long term environmental changes of rivers and their factors, river flows and river channel processes, river and lake ecological systems, recent characteristics of flood disasters, integrated river basin planning including flood control, sustainable reservoir management, nature restoration, and sediment transport management.


mainly regular examination. Quiz in a class, attendance and report submission are also considered for grading to some extent.

Course Goals

to learn the basic knowledge to consider river environments from the various points of view such as flood control, natural environment conservation, water utilization based on natural science, social sciences and engineering & technology.

Course Topics

Theme Class number of times Description
Various viewpoints on rivers and river basins 1 Various viewpoints on rivers and river basins, Vvrious rivers and their landscapes on the Earth, formation processes of river basins, long term environmental changes of rivers and main factors
Precipitation, water cycle and run-off phenomena 1 Basic knowledge on Meteorology, Water Resources, Statistical Hydrology of precipitation and Rain Fall Run-off Analysis
River flow and river channel processes 2 Basics on unsteady open channel flows andflood flow simulation, sediment transport in alluvial streams, formation processes of sand bars, etc.
Application of numerical hydraulics to environmental issues 1 Relation between the behavior of an endangered bird called 'Kamogawa-Chidori' and sand-bar formation, Mechanism on DO depletion near the bottom of the northern part of Lake Biwa due to climate change, Dam reservoir sedimentation due to sediment run-off from a catchment area, etc.
Structure and functions of river and lake eco-system 3 (1) Hierarchical structure and classification of river ecosystems, Relations between river geomorphology and habitat structure, Classification of microhabitats and their maintenance mechanisms, Longitudinal distribution of biological communities (2) Function of river ecosystems, Roles of biodiversity, Sustainable conditions of habitats for biological communities, Mass transfer mechanism in rivers, Nutrient spiraling, Impact assessment of river environments and Physical Habitat Simulation Model (3) Function of lake ecosystems, Classification of natural lakes and ponds by thermal stratification and thermal convection, Relations between lake types and biota (fauna and flora), Characteristics of man-made reservoir ecosystems
Integrated river basin planning 3 (1) River law, Fundamental river management plan, River improvement plan, Procedures to make a flood control planning (2) Flood invasion analysis and Hazard Map, Excessive floods and comprehensive flood disaster prevention measures, River structures(groines and levees) (3) Cost-Benefit Analysis of flood control projects, Evaluation of people’s awareness to river improvement projects by means of CVM and Conjoint Analysis in view of flood control, water utilization and natural environmental conservation
Integrated river basin planning 3 (1) River environmental improvement plan, Normal discharge, River restoration projects, Environmental assessment, etc. (2) Classification of river structures and their functions, Impact assessment for construction of dam reservoirs and estuary barrages, etc. (3) Comprehensive management of sediment outflow and sediment budgets in river basins, concepts of recent sediment control dams, asset management of dam reservoirs, management of sediment dynamism for integrated river planning, etc.
Achievement confirmation(feedback) 1 Achievement of learning is confirmed.


Printed materials on the contents will be circulated in each lecture.



Elementary knowledge of Hydraulics, Hydrology and Ecology

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Additional Information

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