Knickpoint
/ˈnɪkˌpɔɪnt/
noun
1.
a break in the slope of a river profile caused by renewed erosion by a rejuvenated river
noun
a place in a river where its gradient changes and it begins to flow more steeply; a sharp drop in streambed elevation
Examples
The greater the volume of water flowing over a knickpoint, the faster it cuts upstream.
Word Origin
German knickpunkt ‘bend, kink’ + ‘point’
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