RIVER MECHANICS

By MARK THOMPSON

CONTENTS INTRODUCTION TO RIVER MECHANICS PHYSICAL PROPERTIES AND EQUATIONS 2 1 DIMENSIONS AND UNITS 2 2 PROPERTIES OF WATER 2 3 PROPERTIES OF SEDIMENT 2 4 RIVER ?OW KINEMATICS 2 5 CONSERVATION OF MASS 2 6 EQUATIONS OF MOTION 2 7 HYDRAULIC AND ENERGY GRADE LINES RIVER BASINS 3 1 RIVER-BASIN CHARACTERISTICS 3 2 RAINFALL PRECIPITATION 3 3 INTERCEPTION AND IN?LTRATION 3 4 EXCESS RAINFALL 3 5 SURFACE RUNOFF 3 6 UPLAND-EROSION LOSSES 3 7 SEDIMENT SOURCE AND YIELD STEADY ?OW IN RIVERS 4 1 STEADY RIVER ?OW 4 2 STEADY-NONUNIFORM RIVER ?OW 4 3 SEDIMENT TRANSPORT IN RIVERS UNSTEADY ?OW IN RIVERS 5 1 RIVER CONTINUITY EQUATION 5 2 RIVER MOMENTUM EQUATIONS 5 3 RIVER ?OODWAVES CONTENTS 5 4 LOOP-RATING CURVES 5 5 RIVER ?OOD ROUTING 5 6 RIVER ?OW AND SEDIMENT-DURATION CURVES RIVER EQUILIBRIUM 6 1 PARTICLE STABILITY 6 2 CHANNEL STABILITY 6 3 REGIME RELATIONSHIPS 6 4 EQUILIBRIUM IN RIVER BENDS 6 5 DOWNSTREAM HYDRAULIC GEOMETRY 6 6 BARS IN ALLUVIAL RIVERS 6 7 RIVER MEANDERING 6 8 LATERAL RIVER MIGRATION RIVER DYNAMICS 7 1 RIVER DYNAMICS 7 2 RIVERBED DEGRADATION 7 3 RIVERBED AGGRADATION 7 4 RIVER CON?UENCES AND BRANCHES 7 5 RIVER DATABASES RIVER STABILIZATION 8 1 RIVERBANK STABILITY 8 2 RIVERBANK RIPRAP REVETMENT 8 3 RIVERBANK PROTECTION 8 4 RIVER ?OW-CONTROL STRUCTURES 8 5 RIVERBANK ENGINEERING RIVER ENGINEERING 9 1 RIVER ?OOD CONTROL 9 2 RIVER CLOSURE 9 3 CANAL HEADWORKS 9 4 BRIDGE SCOUR 9 5 NAVIGATION WATERWAYS 9 6 DREDGING PHYSICAL RIVER MODELS 10 1 HYDRAULIC SIMILITUDE 10 2 RIGID-BED MODEL 10 3 MOBILE-BED RIVER MODELS MATHEMATICAL RIVER MODELS 11 1 FINITE-DIFFERENCE APPROXIMATIONS 11 2 ONE-DIMENSIONAL RIVER MODELS 11 3 MULTIDIMENSIONAL RIVER MODELS WAVES AND TIDES IN RIVER ESTUARIES 12 1 SURFACE WAVES 12 2 TIDES IN RIVER ESTUARIES 12 3 SALINE WEDGES IN RIVER ESTUARIES