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Water-Worked Gravel Bed: State-of-the-Art Review
Open AccessReview

Impact of Unsteady Flow Events on Bedload Transport: A Review of Laboratory Experiments

Institute of Geophysics, Polish Academy of Sciences, Ks. Janusza 64, 01-452 Warsaw, Poland
Author to whom correspondence should be addressed.
Water 2019, 11(5), 907;
Received: 25 February 2019 / Revised: 25 April 2019 / Accepted: 26 April 2019 / Published: 29 April 2019
(This article belongs to the Special Issue Water-Worked Bedload: Hydrodynamic and Mass Transport)
PDF [931 KB, uploaded 29 April 2019]


Recent advances in understanding bedload transport under unsteady flow conditions are presented, with a particular emphasis on laboratory experiments. The contribution of laboratory studies to the explanation of key processes of sediment transport observed in alluvial rivers, ephemeral streams, and river reaches below a dam is demonstrated, primarily focusing on bedload transport in gravel-bed streams. The state of current knowledge on the impact of flow properties (unsteady flow hydrograph shape and duration, flood cycles) and sediment attributes (bed structure, sediment availability, bed composition) on bedload are discussed, along with unsteady flow dynamics of the water-sediment system. Experiments published in recent years are summarized, the main findings are presented, and future directions of research are suggested. View Full-Text
Keywords: experiments; flood; hysteresis; river; sediment; bedload; bed shear stress experiments; flood; hysteresis; river; sediment; bedload; bed shear stress

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Mrokowska, M.M.; Rowiński, P.M. Impact of Unsteady Flow Events on Bedload Transport: A Review of Laboratory Experiments. Water 2019, 11, 907.

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