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<br />I <br />,Ie <br />I <br />I <br />I <br />I <br />I <br />I <br />II <br />. <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />(' <br />I <br /> <br /> UST OF FIGURES (Continued) <br />FIGURE DESCRIPTION PAGE <br />4.4.2 Schematic variation of width, depth, and velocity IV-2D <br /> with at-a -station and downstream discharge <br /> variation. <br />4.4.3 Slope -discharge relation for braiding or meandering IV-25 <br /> in sandbed streams. <br />4.5.1 Changes in channel slope in response to an increase IV-29 <br /> in sediment load at point C. <br />4.5.2 Changes in channel slope in response to a dam IV-3D <br /> at point c. <br />4.8.1 Median bank erosion rate in relation to channel IV-62 <br /> width for different types of streams. <br />4.8.2 Encroachment on a meandering river. IV-63 <br />4.8.3 Erosion index in relation to sinuosity. IV-71 <br />4.8.4 Modes of meander loop development. Iv-n <br />5.I.I Typical bank failure surfaces. V-5 <br />5.2.1 Diagram for riprap stability conditions. V-D <br />5.2.2 Stability numbers for a 1.5 stability factor for V-15 <br /> horizontal flow along a side slope. <br />5.2.3 Velocity against stone on channel bottom. V-17 <br />5.2.4 Size of stone that will resist displacement for V-18 <br /> various velocities and side slopes. <br />5.2.5 Flow around an embankment end. V-21 <br />5.2.6 Zones of failure on riprapped abutments. V-22 <br />5.2.7 F low around a spill - through abutment. V-23 <br />5.2.8 Relation between relative velocities and the V-25 <br /> drop ratio. <br /> <br />xix <br />