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<br /> <br />Sediment lnlIow <br />(Volume) <br /> <br />Sediment 0UIll0w <br />(Volume) <br /> <br />Change in Volume - lnlIow - Oulflow <br />r If negative, erosion will = - <br />L If posjtive, sedimentation will occur J <br /> <br />DEFINITION SKETCH OF SEDIMENT CONTINUITY CONCEPT APPLIED <br />TO A GIVEN CHANNEL REACH OVER A GIVEN TIME PERIOD <br /> <br />4. If the inflow of sediment equals the outflow of sediment, the river <br />reach will be in equilibrium (no change), <br /> <br />5, If the inflow of sediment is greater than the outflow of sediment, <br />aggradation (sedimentation) will occur in the river reach. <br /> <br />6. If the inflow of sediment is less than the outflow of sediment, <br />degradation will occur in the river reach. <br /> <br />B, Basic sediment transport definitions, <br /> <br />1, The following figure defines several basic sediment transport <br />concepts. <br /> <br />a. Wash load <br /> <br />b. Bed load <br /> <br />c, Bed material load <br /> <br />2.18 <br />