Course detail

Sediments in Rivers

FAST-NRB015Acad. year: 2020/2021

Course contents: Basic division and concepts including global characteristics. Properties of water, sediments, deposits and suspensions. The characteristics of flow without and with transport of sediments. Erosion, transport and deposition of sediments including the characteristics of the movement, equations of continuity and dischrge of sediments. Measurement in rivers and reservoirs. Influence of sediment dischrge and sediment transport. Modelling the sediment transport and the evolution of river channels. Sediments and depostits in reservoirs. Case studies.

Language of instruction

Czech

Number of ECTS credits

4

Mode of study

Not applicable.

Guarantor

doc. Ing. Zbyněk Zachoval, Ph.D.

Department

Institute of Water Structures (VST-VST)

Learning outcomes of the course unit

Knowledge in following areas:
- informacion of Bankerosion of reservoir,
- specification of factors causing generation,
- propagation of scouring,
- detailed analysis and process of determination of these factors.

Prerequisites

Hydraulics, hydrology, soil mechanics, dams, reservoirs, river training and weirs.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Not applicable.

Assesment methods and criteria linked to learning outcomes

Not applicable.

Course curriculum

1. Basic division and concepts, global characteristics.
2. Properties of water, sediments, depostis and suspensions.
3. Characteristics of flow.
4. Erosion of deposits.
5. Deposition of sediments.
6. Transport of sediments – characteristics of motion.
7. Transport of sediments – continuity equation.
8. Transport of sediments – sediment discharge.
9. Measurements in rivers and reservoirs.
10. Influence of sediment dischrge and transport of sediments.
11. Modeling of sediment transport and river bed evolution.
12. Sediments and deposits in reservoirs.
13. Case studies.

Work placements

Not applicable.

Aims

Informacion of Bankerosion of reservoir.
Riparian zone reconstruction to minimize uncontrolled scouring propagation.Specification of factors causing generation and propagation of scouring, detailed analysis and process of determination of these factors.

Specification of controlled education, way of implementation and compensation for absences

Extent and forms are specified by guarantor’s regulation updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Not applicable.

Recommended reading

Not applicable.

Classification of course in study plans

  • Programme NPC-SIV Master's, 1. year of study, summer semester, compulsory-optional

Type of course unit

 

Lecture

26 hours, optionally

Teacher / Lecturer

doc. Ing. Zbyněk Zachoval, Ph.D.

Syllabus

1. Basic division and concepts, global characteristics. 2. Properties of water, sediments, depostis and suspensions. 3. Characteristics of flow. 4. Erosion of deposits. 5. Deposition of sediments. 6. Transport of sediments – characteristics of motion. 7. Transport of sediments – continuity equation. 8. Transport of sediments – sediment discharge. 9. Measurements in rivers and reservoirs. 10. Influence of sediment dischrge and transport of sediments. 11. Modeling of sediment transport and river bed evolution. 12. Sediments and deposits in reservoirs. 13. Case studies.

Exercise

26 hours, compulsory

Teacher / Lecturer

doc. Ing. Zbyněk Zachoval, Ph.D.

Syllabus

1. Assignment of the sediment study of a river reach. Underlying data for the study. 2. Model of the uniform flow of water. 3. Model of the uniform transport of sediments: incipient motion of sediments, transport curve. 4. Model of the uniform transport of sediments: effective discharge, average annual discharge of sediments. 5. 1D model of the nonuniform flow of water. 6. 1D model of the nonuniform transport of sediments. 7. 1D model of the long-term nonuniform transport of sediments before construction of the dam. 8. 1D model of the long-term nonuniform transport of sediments after construction of the dam. 9. Calculation of the deposition of sediments in reservoir by empirically determined trap efficiency curves. 10. Comparison of the annual transport of sediments and the sediment deposition in reservoir by various methods. 11. Report of the sediment study of river reach. 12. Presentation of the sediment study of river reach. 13. Control of study duties. Credit.