Proceedings of International Symposium on Special Problems of Alluvial Rivers Including Those of International Rivers

목차 (Table of Contents)

• VARIATION OF FLOW AND ROUGHNESS CHARACTERISTICS IN FLUVIAL RIVERS
• 1. INTRODUCTION
• 2. CLASSIFICATION OF BED CONFIGURATION BY TYPE OF BAR
• 3. TYPE OF BAR AND THE CHARACTERISTICS OF RESISTANCE TO FLOW
• 3.1 Shear diagram and the law of hydraulic resistance
• 3.2 Shear diagram and resistance law for small-scale sand waves
• 3.3 Field observations of the resistance characteristics in the natural rivers with bar bed
• 4. FLOW OVER ALTERNATE BARS
• FORECASTING IMPACTS OF HYDRAULIC STRUCTURES ON AN ALLUVIAL RIVER
• INTRODUCTION
• ONE-DIMENSIONAL MATHEMATICAL MODEL
• PHYSICAL MODELING
• MATHEMATICAL MODEL IN TWO SPATIAL DIMENSIONS
• RIVERS IN MOUNTAINOUS REGIONS
• CONCLUDING REMARKS
• THE STATE AND THE PROSPECTS OF THE DIRECT SEDIMENT REMOVAL METHODS FROM RESERVOIRS
• 1. INTRODUCTION
• 2. METHODS OF DIRECT SEDIMENT REMOVAL FROM RESERVOIRS
• 3. MAIN CHARACTERISTICS OF A SPECIFIC RESERVOIR
• 3.1 The Availability of Reservoir Water
• 3.2 Data on the Sediment to be Removed
• 3.3 Water Depth Characteristics
• 3.4 Disposal Site Characteristics
• 3.5 Other general Conditions
• 4. REMOVAL OF SEDIMENTS BY FLUSHING
• 4.1 Sediment Sluicing through Reservoirs
• 4.2 Sediment Flushing from Reservoirs
• 4.3 International Flushing Experiences
• 5. REMOVAL OF SEDIMENTS BY DREDGING
• 5.1 Operational Aspects of Dredging in Reservoirs
• 5.2 Methods Excavation and Transport of Sediments out of Reservoirs
• 5.3 Type and Main Characteristics of Dredgers
• 5.4 Transportation Devices
• 5.5 Production by Dredging Equipments
• 5.6 A Systematic Approach for the Choice of Dredging Equipment for Each Specific Reservoir
• 6. CONCLUSION
• J. C. STEVENS AND THE SILT PROBLEM A REVIEW
• INTRODUCTION
• BACKGROUND
• FROM PRACTICE TO THEORY
• Development to 1950
• Reservoir Trap Efficiency
• Sluicing Efficiency
• Preserving the Long-term Storage of Reservoirs
• A FEW EXAMPLES
• Sediment Problems
• Conflicts between Power Generation and Flood Control
• SUMMARY AND CONCLUSIONS
• SEDIMENTATION ASPECTS OF FLOOD - PLAIN MANAGEMENT IN BANGLADESH
• 1. INTRODUCTION
• 2. GEOLOGY
• 3. HYDROLOGICAL SETTING
• 3.1 Rainfall
• 3.2 River Flow and Sediment Discharge
• 4. RIVER MORPHOLOGY AND SEDIMENTATION PROCESS
• 4.1 Bank Stability
• 4.2 Deposition and erosion of the channel bed
• 5. FLOOD CONTROL PROGRAME OF BANGLADESH
• 5.1 Flood Vulnerable Area
• 5.2 Flood Plain Area
• 5.3 Flood Control Programme
• 5.4 Sedimentation Aspect of Flood Plain Management
• 6. RECOMMENDATION FOR FLOOD PLAIN MANAGEMENT
• 6.1 Necessity of Flood Plain Management
• 6.2 Recommendations
• ON FAILURE OF RIVER TRAINING WORKS WITH REFERENCE TO AFNIKO HIGHWAY
• INTRODUCTION
• GEOLOGY AND TOPOGRAPHY
• STREAMFLOW CHARACTERISTICS
• DAMAGE TO STRUCTURES
• TYPES OF STRUCTURE
• CAUSES OF DAMAGE
• RECOMMENDATIONS
• SEDIMENTATION ASPECTS OF FLOODPLAIN MANAGEMENT FOCUSED ON THE 1990 HAN RIVER FLOOD
• 1. INTRODUCTION
• 2. THE HAN RIVER AND FLOODPLAIN MODIFICATION
• 3. THE HAN RIVER FLOOD
• 4. OVERVIEW OF DAMAGES CAUSED BY THE FLOOD
• 5. SEDIMENT DISCHARGE AND DEPOSITS ON THE FLOODPLAINS DURING THE FLOOD
• 6. COMPARISON WITH RESULTS OF PHYSICAL MODEL TEST
• 7. LESSONS LEARNED FROM SEDIMENTATION ON FLOODPLAIN MANAGEMENT
• ACKNOWLEDGMENT
• RESPONSE OF THE CITANDUY RIVER DUE TO DEVELOPMENTS
• PROBLEMS OF RIVERS IN THE KLANG RIVER BASIN
• 1. INTRODUCTION
• 2. THE KLANG RIVER BASIN
• 3. PROCESS OF DEVELOPMENT
• 5.2 Jinjang River
• 5.3 Kerayong River
• 5.4 Other Rivers
• 6. RIVER IMPROVEMENT
• 7. SEDIMENT TRANSPORT
• 8. CONCLUSION
• IMPACTS OF HYDRAULIC STRUCTURES ON ALLUVIAL RIVERS : RIVER PROCESSES OF TIDAL REACHES
• 1. INTRODUCTION
• 2. OBJECTIVE OF THE PAPER
• 3. THE STUDY AREA
• 3.1 Location
• 3.2 Geololgy
• 3.3 Topography
• 3.4 Climate
• 3.5 Hydrology
• 4. DEVELOPMENT ACTIVITIES IN THE STUDY AREA
• 5. PRESENT SITUATION IN THE STUDY AREA
• 6. PROBABLE CAUSES OF SILTATION IN STUDY AREA
• 7. CONCLUSION
• THE EFFECTS OF UPSTREAM DAMS CONSTRUCTION AND TIDES TO THE DYNAMICS OF NATURAL PROCESSES IN THE TIDAL REACHES : EXAMPLES FROM THREE MAIN RIVERS IN JAVA. INDONESIA
• HYDROLOGY AND OCEANOGRAPHY OF GOLOK RIVER
• SEDIMENT TRANSPORT PATTERN OF ALLUVIAL RIVERS IN KOREA
• INTRODUCTION
• HYDROLOGICAL AND GEOGRAPHYCAL CHARACTERISTICS
• SEDIMENT TRANSPORT PATTERN
• 1. Sediment Transport in the Channel
• 2. Sediment Transpot in the Estuary
• Estuary Characteristics
• Sediment Transport
• Impacts of the Barrage
• THE PROBLEMS OF FLOOD CONTROL IN CHINA
• 1. FLOOD CONTROL - A MAJOR ISSUE IN NATIONAL LANDS CONSERVATION AND DEVELOPMENT PROGRAM
• 2. PRESENT STATUS OF FLOOD CONTROL
• 3. SOME EXPERIENCES AND LESSONS LEARNED IN PRACTICE IN CHINA
• DISCHARGE CHARACTERISTICS OF SUSPENDED SEDIMENT FOR FORESTED AND QUARRIED CATCHMENTS IN MOUNTAINOUS TERRAIN
• 1. INTRODUCTION
• 2. TOPOGRAPHICAL CONDITIONS OF THE FIELD AREA
• 3. METHODOLOGY
• 4. MAGNITUTE AND PATTERN OF SUSPENDED SEDIMENT DISCHARGE
• Concentrations and loads of suspended sediment
• Discharge process of suspended sediment
• 5. CONCLUSIONS
• 6. ACKNOWLEDGEMENTS
• MATHEMATICAL SIMULATION OF NAVIGATION CHANNEL CHANGES IN THE FLUCTUATING BACKWATER REGION OF THE THREE GORGES RESERVOIR
• 1. INTRODUCTION
• 2. GOVERNING EQUATIONS
• 2.1 One-dimensional equations
• 2.2 Two-dimensional model
• 3. SUPPLEMENTARY RELATIONS
• 3.1 Coefficient of roughness
• 3.2 Sediment carrying capacity
• 3.3 Bed load transport formula
• 4. BOUNDARY CONDITIONS AND NUMERICAL SOLUTION
• 5. SIMULATION OF THE NAVIGATION CHANNEL CHANGES
• 6. CONCLUSION
• A COMPUTER-AIDED GUIDELINE FOR THE SELECTION OF SEDIMENT TRANSPORT FORMULAS
• 1. INTRODUCTION
• 2. METHOD AND PROCEDURE FOR THE STUDY
• 3. RESULTS AND DISCUSSION
• 4. GUIDELINE FOR THE SELECTION OF SEDIMENT TRANSPORT FORMULAS
• 5. ACKNOWLEDGMENT
• PRELIMINARY STUDY ON SEDIMENT PROBLEM AT HOABINH RESERVOIR
• 1. INTRODUCTION
• 2. SEDIMENT REGIME
• 2.1 The long-term variability of sediment discharges is rather big.
• 2.2 Distribution of sediment yield on various part of basin is different.
• 3. THE ESTIMATION OF SEDIMENTATION IN THE RESERVOIR
• 3.1 In computing volume deposited in the reservoir the equation of sediment balance can be used in the form[1]
• 3.2 Distribution of deposited sediment :
• 4. THE SEDIMENT CONTROL MEASURES
• RESERVOIR SEDIMENTATION AND WATER QUALITY IN KOREA
• 1. INTRODUCTION
• 2. RESERVOIR SEDIMENTATION AND HYDROLOGICAL DATA
• 3. SEDIMENTS DEPOSITION AND WATER QUALITY IN A RESERVOIR
• 3.1 Characteristics of Sediments Deposited in a Reservoir
• 3.2 Sedimentation and Eutrophication in a Reservoir
• 3.3 Nitrogen, Organic Carbon and Organic Matters in Sediment
• 4. CONCLUSION AND SUGGESTIONS
• RESERVOIR DEPOSITION AND ITS CONTROL, INCLUDING MITIGATION OF ANY ADVERSE EFFECTS ON THE RIPARIAN AREA
• 1. INTRODUCTION
• 2. REVIEW OF RESERVOIR SEDIMENTATION
• 3. REVIEW OF APPROACHES FOR PREDICTION OF TRAP EFFICIENCY AND DISTRIBUTION
• 3.1 Empirical Methods
• 3.2 One-Dimensional Transient Models.
• 3.3 Desilting Basin Models
• 3.4 Sediment-Diffusion Models
• 3.5 Density Currents.
• 4. RESEARCH NEEDS
• 4.1 Sediment Yield
• 4.2 Sediment Diffusion in Deep Flows
• 4.3 Sediment Re-entrainment
• 4.4 Density Currents
• 4.5 Empirical Methods.
• 4.6 Mathematical Models
• 5. REVIEW OF SEDIMENT DATA FOR TARBELA RESERVOIR (PAKISTAN)
• 5.1 General :
• 5.2 Tarbela Sedimentation :
• 5.3 Delta Advancement :
• RESERVOIR SILTING PATTERNS FROM A TWO-DIMENSIONAL HYDRODYNAMIC MODEL
• INTRODUCTION
• TEST SITE
• DAILY RESERVOIR OPERATION SIMULATION
• Daily Inflow Simulation
• Irrigation Intakes
• Simulation Results
• HYDRODYNAMIC SEDIMENT TRANSPORT MODEL
• Basic Equations
• Numerical Approximations
• RESULTS AND DISCUSSIONS
• Velocity Fields
• Sediment Concentration and Silting Patterns
• Comparisons to Sediment Survey Data
• SUMMARY AND CONCLUSIONS
• HUAI KHO RESERVOIR SEDIMENTATION
• 1. INTRODUCTION
• 2. WATERSHED CHARACTERISTICS
• 3. SEDIMENTATION SURVEY
• 4. HUAl KHO SITRATION
• 5. SEDIMENTATION CONTROL
• 6. CONCLUSION
• PROBLEM OF EROSION AND DEPOSITION IN THE MAJOR RIVERS OF BANGLADESH
• INTRODUCTION
• REVIEW
• DATA AND METHODOLOGY
• MEAN BED LEVEL OF THE BRAHMAPUTRA
• MEAN BED LEVEL OF THE GANGES
• MEAN BED LEVEL OF THE TEESTA
• DISCUSSION
• CONCLUDING REMARKS
• RIVER PROCESSES DOWNSTREAM OF A RESERVOIR
• 1. INTRODUCTION
• 2. THE RIVER CATCHMENT AND ITS CHARACTERISTICS
• 3. HISTORY OF MORPHOLOGICAL CHANGES
• 4. TIDES
• 5. CURRENTS
• 6. SEDIMENT TRANSPORT
• 7. CONCLUSION
• SEDIMENT CHARACTERISTICS OF THE UPPER INDUS AND SEDIMENTATION OF TARBELA RESERVOIR
• 1. THE RIVER AND CATCHMENT
• 2. SEDIMENT TRANSPORT
• 2.1 Sediment producing characteristics of glaciers.
• 3. SEDIMENT YIELD OF THE INDUS RIVER AND SILTING OF RESERVOIRS.
• 4. SEDIMENT INFLOWS TO TARBELA RESERVOIR AS OBSERVED AT BESHAM QILA.
• 5. SEDIMENT REDUCTION MEASURES.