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- Title
Validating a universal model of particle transport lengths with laboratory measurements of suspended grain motions.
- Authors
Naqshband, Suleyman; McElroy, Brandon; Mahon, Robert C.
- Abstract
The mechanics of sediment transport are of fundamental importance for fluvio-deltaic morphodynamics. The present study focuses on quantifying particle motions and trajectories across a wide range of flow conditions. In particular, a continuous model is presented that predicts particle travel distances for saltation and suspension based on Rouse number and relative grain roughness. By utilizing a series of eight video cameras in a plexiglass flume direct measurements of the distributions of particle travel distances (excursion lengths) were obtained. To this end, experiments were carried out in dark under black lights with fluorescent painted plastic and quartz sand particles. For relatively high Rouse numbers indicating bed load dominant transport regime (
- Subjects
SEDIMENT transport; PARTICLE motion; SUSPENDED sediments
- Publication
Water Resources Research, 2017, Vol 53, Issue 5, p4106
- ISSN
0043-1397
- Publication type
Article
- DOI
10.1002/2016WR020024