River Morphology.

Cover -- Preface -- List of Symbols -- Glossary of Some Terms in River Morphology -- Contents -- Chapter 1. Introduction -- 1.1 Introduction -- 1.2 Some Problems in River Morphology -- 1.3 Histroical Developments in Fluvial Hydraulics (Garde 1995) -- 1.4 Historical Developments in Geomorphology (Tinkler, 1985) -- 1.5 Scope -- References -- Chapter 2. Drainage Basins and Channel Networks -- 2.1 Introduction -- 2.2 Drainage Patterns and Texture -- 2.3 Stream Order -- 2.4 Horton's Laws of Stream Numbers and Stream Lengths -- 2.5 Areas of Drainage Basins -- 2.6 Basin Shape -- 2.7 Lithology -- 2.8 Vegetation -- 2.9 Drainage Densities and Stream Frequency -- 2.10 Relief Aspects -- 2.11 Drainage Basin Characteristics and Hydrology -- 2.12 Random Walk Model -- 2.13 Concluding Remarks -- References -- Chapter 3. Soil Erosion and Sediment Yield -- 3.1 Introduction -- 3.2 Global Erosion Rates -- 3.3 Types of Erosion -- 3.4 Factors Affecting Erosion -- 3.5 Mechanics of Sheet Erosion -- 3.6 Equations for Predicting Soil Loss from Agricultural Lands -- 3.7 Measurement of Sediment Yield -- 3.8 Sediment Delivery Ratio -- 3.9 Process Based Modelling of Erosion -- 3.10 Erosion Rates from Indian Catchments -- References -- Chapter 4. Fluvial Morphology -- 4.1 Geomorphology and Fluvial Morphology -- 4.2 Geomorphic Cycle (Or Cycle of Erosion) -- 4.3 Rejuvenation of Erosion Cycle -- 4.4 Criticism of Geomorphic Cycle -- 4.5 Non-Cyclic Concept of Landscape Evolution -- 4.6 Geological Time Scale -- 4.7 Glaciation -- 4.8 Fluvial Morphology -- 4.9 Topography Produced by Streams -- 4.10 Variables in River Morphology -- 4.11 Neotectonics and Earthquakes -- References -- Chapter 5. Hycraulics of Alluvial Streams -- 5.1 Introduction -- 5.2 Incipient Motion -- 5.3 Modes of Sediment Transport -- 5.4 Bed-Forms in Unidirectional Flow -- 5.5 Resistance to Flow in Alluvial Streams.

5.6 Bed-Load Transport -- 5.7 Suspended Load Transport -- 5.8 Total Load Transport -- References -- Chapter 6. Hydraulic Geometry and Plan Forms of Alluvial Rivers -- 6.1 Introduction -- 6.2 Stable Channels Carrying Sediment -- 6.3 Hydraulic Geometry of alluvial Streams -- 6.4 Empirical Relationships for Hydraulic Geometry -- 6.5 Non-Dimensional Relations for Hydraulic Geometry -- 6.6 Flow Around Bends with Rigid and Alluvial Beds -- 6.7 Shear Direction near Curved Stream bed and Bed Topography -- 6.8 Braided Rivers -- 6.9 Meandering -- 6.10 Stability Analysis and Criteria for Plan-Forms -- References -- Chapter 7. Gravel-Bed Rivers -- 7.1 Introduction -- 7.2 Data for Gravel-Bed Rivers -- 7.3 Bed Material -- 7.4 Pavement -- 7.5 Hydraulic Geometry -- 7.6 Bed Features in Gravel-Bed Rivers -- 7.7 Resistance to Flow in Gravel-Bed Rivers -- 7.8 Sediment Transport in Gravel-Bed Rivers -- References -- Chapter 8. Fluvial Palaeo Hydrology -- 8.1 Introduction -- 8.2 Objectives of Palaeo Hydrologic Studies -- 8.3 Basis of Analysis -- 8.4 Climatic Changes: Past and Future (Schneider and Root 2000) -- 8.5 Palaeo Hydrologic Estimates of Discharge and Velocity -- 8.6 Palaeo Hydrologic Studies in India -- 8.7 Fluvial Palaeo Hydrologic Studies in India -- References -- Chapter 9. Bed Level Variation in Streams -- 9.1 Introduction -- 9.2 Types of Degradation -- 9.3 Downstream-Progressing Degradation -- 9.4 Upstream-Progressing Degradation -- 9.5 Effects of Degradation -- 9.6 Prediction of Depth of Depth of Degradation -- 9.7 Control of Degradation -- 9.8 Factors Affecting Scour -- 9.9 Equations for predicting Scour Depth -- 9.10 Verification of Equations for Scour Depth -- 9.11 Scour in Gravelly Material -- 9.12 Scour in Cohesive Soils -- 9.13 Protection of Scour Around Bridge Piers -- 9.14 Occurrence of Aggradation -- 9.15 Sediment Inflow and Trap Efficiency.

9.16 Movement and Sediment Deposition in Reservoirs -- 9.17 Modeling of Sediment Deposition -- 9.18 Methods for Preserving and Restoring Reservoir Capacity (Unesco 1985, Irtces 1985) -- References -- Chapter 10. River Channel Changes -- 10.1 Introduction -- 10.2 Avulsion -- 10.3 Stream Capture (Worcester 1948, Lobeck 1939) -- 10.4 Erosion at Bends -- 10.5 Natural and Artificial Cut-Offs -- 10.6 Channel Pattern Changes -- 10.7 Longitudinal Grain Sorting -- References -- Chapter 11. Analytical Morphological Models -- 11.1 Introduction -- 11.2 Basic One-Dimensional Equations -- 11.3 Analysis of Water Surface and Bed Waves -- 11.3 Analytical Models -- 11.4 Some Applications of Linear Models -- References -- Chapter 12. Numerical Models for Morphological Studies -- 12.1 Introduction -- 12.2 One-Dimensional Equations -- 12.3 Numerical Schemes of Solution -- 12.4 Classiciation of One-Dimensional Models -- 12.5 Convergence and Stability (Cunge ET AL.1980) -- 12.6 Boundary Conditions (Cunge ET AL.1980, DE Vries 1993) -- 12.7 Channel Cross-Sections and Method of Erosion Or Deposition -- 12.8 Modeling of Armouring -- 12.9 HEC-6 -- 12.10 Charima -- 12.11 Applications of HEC-6 -- References -- Chapter 13. Morphology of Some Indian Rivers -- 13.1 River Systems in North India -- 13.2 Introduction -- 13.3 Catchment Characteristics and Geology -- 13.4 Geotectonics -- 13.5 Hydrology -- 13.6 Sediment Size and Slope -- 13.7 Morphology of The KOSI -- 13.8 Management of The Kosi -- 13.9 Present Day Problems of The KOSI -- 13.10 Introduction -- 13.11 River Characteristics -- 13.12 Seismicity and Landslides -- 13.13 Climate and Hydrology -- 13.14 Resistance to Flow and Sediment Transport -- 13.15 Plan-Forms -- 13.16 Flooding and Flood Protection -- 13.17 Drainage of Hinter Lands -- 13.18 River Bed Changes in Brahmaputra -- 13.19 Development Plans -- 13.20 Role of Dredging.

References -- Chapter 14. Rivers and Environment -- 14.1 Introduction -- 14.2 Actions Causing Disturbance in Stream System and Their impacts (OSMG 2004) -- 14.3 Environmental Effects of Hydraulic Structures -- 14.4 Dams and Reservoirs -- 14.5 Water Quality in Reservoirs -- 14.6 Thermal and Hydro-Power Plants -- 14.7 Recreation -- 14.8 Stream Pollution -- 14.9 River Action Plans -- 14.10 Stream Restoration -- References -- Chapter 15. Data Requirements for Morphological Studies -- Introduction -- 15.2 Maps, Air-Photos, Satellite Imageries -- 15.3 Lithology and Tectonics -- 15.4 Vegetal Cover -- 15.5 Geomorphic Map -- 15.6 Basin Characteristics and Morphometry -- 15.7 Sea-Level Fluctuations, Climatic and Other Changes -- 15.8 Cross-Sections, Longitudinal Section and Plan-Form -- 15.9 Bed and Bank Material -- 15.10 Hydrologic Data -- 15.11 Sediment Load Data -- 15.12 Stratigraphic Studies -- 15.13 Water Quality Related Data -- 15.14 Catalogue of Information on Morphological Studies -- References -- Appendix -- Outline of Report on River Morphology -- Author Index -- Subject Index.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.