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An Experimental Study on Mechanisms for Sediment Transformation Due to Riverbank Collapse

1
School of Environment, Key Laboratory of Water and Sediment Sciences of MOE, Beijing Normal University, Beijing 100875, China
2
Department of Civil and Structural Engineering, The University of Sheffield, Sir Frederick Mappin Building, Mappin Street, Sheffield S1 3JD, UK
*
Author to whom correspondence should be addressed.
Water 2019, 11(3), 529; https://doi.org/10.3390/w11030529
Received: 16 December 2018 / Revised: 1 March 2019 / Accepted: 4 March 2019 / Published: 14 March 2019
(This article belongs to the Special Issue Advances in Hydraulics and Hydroinformatics)
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Abstract

Riverbank erosion is a natural process in rivers that can become exacerbated by direct and indirect human impacts. Unfortunately, riverbank degradation can cause societal impacts such as property loss and sedimentation of in-stream structures, as well as environmental impacts such as water quality impact. The frequency, magnitude, and impact of riverbank collapse events in China and worldwide are forecasted to increase under climate change. To understand and mitigate the risk of riverbank collapse, experimental/field data in real conditions are required to provide robust calibration and validation of hydraulic and mathematical models. This paper presents an experimental set of tests conducted to characterize riverbank erosion and sediment transport for banks with slopes of 45°, 60°, 75°, and 90° and quantify the amount of sediments transported by the river, deposited within the bank toe or settled in the riverbed after having been removed due to erosion. The results showed interesting comprehension about the characterization of riverbank erosion and sediment transport along the river. These insights can be used for calibration and validation of new and existing numerical models. View Full-Text
Keywords: sediment; transforming mechanism; riverbank collapse sediment; transforming mechanism; riverbank collapse
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Shu, A.; Duan, G.; Rubinato, M.; Tian, L.; Wang, M.; Wang, S. An Experimental Study on Mechanisms for Sediment Transformation Due to Riverbank Collapse. Water 2019, 11, 529.

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