EntityQ2537553· pop 16· linked from 211 articlesheadward erosionSign in to saveerosion at the origin of a stream channel, moving the origin upstreamConnectionsstreamEntityriverEntityriver sourceEntitychannelEntitystreamEntityVirginiaEntityUtahEntityfloodEntityInternational Standard Book NumberEntitywaterfallEntitydamEntityvalleyEntitycanalEntityspringEntitydrainage basinEntityerosionEntitygeyserEntitytributaryEntitycanyonEntityestuaryEntityCategoriesErosionHydrology