Applicability of Unit Stream Power Equation

by Chih Ted Yang, (M.ASCE), Hydr. Engr.; U.S. Army Corps of Engrs., North Central Div. Chicago, Ill.,
John B. Stall, (F.ASCE), Head; Hydrology Section, Illinois State Water Survey, Urbana, Ill.,

Serial Information: Journal of the Hydraulics Division, 1976, Vol. 102, Issue 5, Pg. 559-568

Document Type: Journal Paper


The usefulness of a sediment transport equation to engineering depends on its applicability to natural rivers. Data collected from six river stations are used to compare the applicability of different equations. These comparisons indicate that the dimensionless unit stream power equation is the one which can provide accurate predictions of total sediment discharge in natural rivers under diversified flow and sediment conditions. The limitations to which this dimensionless unit stream power equation can be applied are explained.

Subject Headings: Sediment transport | Transportation engineering | Rivers and streams | Hydro power | Data collection | Hydrologic data | Comparative studies | Water discharge

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