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Author(s): J. F. A. Sleath
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Abstract: Measurements are presented of the concentrations of sediment near rippled beds of sand in an oscillatory flow water tunnel. The measurements were made using a lightabsorption type of probe. The sediment was observed to be entrained from the bed in two ways. Firstly, bed-load carried over the crest is hurled in an, initially, thin jet over the lee vortex. Secondly, the vortex ejected at the end of each half cycle throws up a plume of sediment into the flow. The measurements were compared with results for bed-load transport over flat beds and also with predictions based on the defect-velocity distribution for rough beds.
DOI: https://doi.org/10.1080/00221688209499472
Year: 1982