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The dominant channel forming discharge is often assumed to be the bankfull flow.

For example Knighton (1998) argued that "since it seems reasonable to suppose that river channels are adjusted on average to a flow which just fills the available cross-section, dominant discharge has been equated with bankfull flow, thereby giving it additional

morphogenetic significance."

The dominant discharge is supposed to give the same effects as the whole range of

discharges occurring (Brandt, 2000).

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Brandt, S.A., 2000: Classification of geomorphological effects downstream of dams. Catena, vol. 40(4), pp. 375-401. doi:10.1016/S0341-8162(00)00093-X Knighton, D., 1998. Fluvial Forms and Processes: A New Perspective. Arnold, London, xv+383 pp.

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