Three kinds of streams are formed by headward erosion : " insequent streams ", " subsequent streams ", and " obsequent and resequent streams " ( " See Fluvial landforms of streams " . ) "'Insequent streams "'form by random headward erosion, usually from sheetflow of water over the landform surface.
12.
Three kinds of streams are formed by headward erosion : " insequent streams ", " subsequent streams ", and " obsequent and resequent streams " ( " See Fluvial landforms of streams " . ) "'Insequent streams "'form by random headward erosion, usually from sheetflow of water over the landform surface.
