Bed Form Response to Nonsteady Flows

by D. Michael Gee, (M.ASCE), Hydr. Engr.; Sacramento District, U.S. Corps of Engrs., Sacramento, Calif.,

Serial Information: Journal of the Hydraulics Division, 1975, Vol. 101, Issue 3, Pg. 437-449

Document Type: Journal Paper


The rate of response of bed forms and the coexistent bar roughness of a sand bed in a laboratory flume to changing hydraulic conditions was studied. Sophisticated electronic feedback control equipment was used to operate the flume such that the energy slope was maintained constant and the depth allowed to vary as a function of the bar roughness. The results indicate the importance of the bed load transport in generating and modifying bed forms.

Subject Headings: Bed materials | Hydraulic roughness | Bed forms | Flumes | Bed loads | Shoals | Soil properties | Sand (hydraulic)

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