River Meandering

Title Page
......Page 1
Copyright
......Page 2
Contents
......Page 3
Preface......Page 4
Introduction......Page 9
Boundary Shear Stress and Topography......Page 12
Boundary Shear Stress and Sediment Transport......Page 26
Comparison of Boundary Shear Stress Estimatel......Page 32
Sediment Transport in a Sand-Bedded Meander......Page 36
Sediment Transport in Gravel-Bedded Meand......Page 41
Disscussion
......Page 48
Conclusion......Page 52
Notation......Page 54
References
......Page 56
Introduction......Page 59
Fixed Meanders in Deltaic Plains......Page 60
Restricted Meanders Formed by Incised Channels onto Deltaic Plains......Page 64
Confined Free Meanders Developed on Aggraded Flood Plains......Page 65
Truly Frre Meanders Without Fine-Grained Flood Basic Accumulations......Page 66
Explanations for Abrupt Changm in Channel Patterns......Page 68
Origin of Point Bars and Appearance of Point Bar Platforms with Regions of Channel Overwidening......Page 69
References......Page 74
Introduction......Page 77
Mathematical Formulation......Page 79
Specification of the Roughness Parameter and Form Drag Partitioning......Page 90
The Study Site......Page 94
Results of the Model......Page 96
Summary of the Meander Flow Model......Page 105
Notation......Page 108
Referenoos......Page 109
Introduction......Page 111
Flow in Bends......Page 112
Fluid Force Exerted on Sediment Particles......Page 114
Lateral Bed Load......Page 116
Bed Material Size Distribution......Page 122
Bed Topography......Page 123
Application......Page 124
Conclusions......Page 129
Notation......Page 130
Referenoos......Page 132
Introduction......Page 134
Theory......Page 136
Experiments......Page 145
Conclusions......Page 150
Applications......Page 154
Notation......Page 156
References......Page 157
Introduction......Page 159
Mathematical Model......Page 160
Linear Analysis......Page 164
Comparison With Measurements......Page 175
Discussion......Page 181
Acknowledgement......Page 182
Notation......Page 183
Referenres......Page 184
Introduction......Page 187
Governing Equations......Page 188
Analysis for a Sinuous Channel......Page 193
Reduction......Page 196
Solution for Constant Curvature......Page 199
Solution for a Sine-Generated Curve......Page 200
Resonance and Alternate Bars......Page 204
Resonance and Overdeepening......Page 206
Solution for an Arbitrarily Shaped Channel......Page 207
Bend Instability......Page 210
Conclusions......Page 211
Appendix......Page 213
Notation......Page 214
References......Page 217
Qualitative and Quantitative Studies on Channel Change......Page 220
Equations Governing Bank Erosion; Universal Erosion Coefficient......Page 228
Notation......Page 237
References......Page 239
Introduction......Page 241
Alternate Bars in a Channel with Fixed Banks Forced Meander......Page 242
Notation......Page 265
References......Page 268
Introduction......Page 270
Free Bars in Straight Channels
......Page 273
Forced Bars in Curved Channels
......Page 292
Interactions Betwoon Froo and Forced Bars
......Page 312
Perspectives......Page 316
Notation......Page 317
References......Page 321
Introduction......Page 324
The Fluid Dynamical Model......Page 327
The Sediment Transport Algorithm......Page 336
Evolution and Stability of Point Bars......Page 340
Evolution and Stability of Alternate Bars......Page 356
Summary of the Bar Evolution Model......Page 376
Notation......Page 377
References......Page 378
Introduction......Page 381
Governing Equations......Page 382
Linearization......Page 388
Secondary Flow as a Curvature-Driven Phenomenon......Page 391
Expansion......Page 393
Alternate Bars in a Straight Channel......Page 395
Flow in Sinuous Channels
......Page 400
Resonance and Overdeepening in Steady Sinuous Flow......Page 404
Conclusions......Page 410
Appendix......Page 411
Notation......Page 413
References......Page 415
Introduction......Page 418
Research on Braided Rivers, Especially in Japan......Page 419
Experiments on Formative Process of Multiple Row Bars and Braided Streams......Page 426
Specific Featur~ of Changes in Bed Configuration......Page 431
Bed Evolution During the Process of Development of Bars and Stream Braiding......Page 439
Changes in Mode and Geometry of Bars and Formative Conditions......Page 444
Conclusions......Page 458
References......Page 459
Introduction......Page 464
Green River......Page 465
Model of Flow and Sediment Transport......Page 469
Response of Flow to Channel Topography......Page 475
Evolution of Bar Topography in Response to Various Discharges......Page 479
Discussion of Results......Page 482
Conclusions......Page 485
References......Page 486
The Water Resources Monograph Series......Page 487