简介：Innormalfluvialprocessestheriverchannelisdeterminedbyriverflowswhilethemovementofriverflowsiscontainedbyriverchannels.Therelationshipbetweentherivermorphologyanditsbendcurvatureshowsthatriverswithlargebendcurvaturesalwayshavenarrowanddeepchannelsandthosewithshallowandwidechannelsarealwaysstraight.Theplanformofariverreachesisdeterminedbythecross-sectionalmorphology.Ameanderingriverreachmaybedevelopedundervariouswater-sedimentconditionsaslongasthenarrowanddeepchannelsareformed.
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