Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 18, issue 2
Articles | Volume 18, issue 2
https://doi.org/10.5194/nhess-18-647-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-18-647-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 2
Research article
 | 
02 Mar 2018
Research article |  | 02 Mar 2018

Sediment traps with guiding channel and hybrid check dams improve controlled sediment retention

Sebastian Schwindt, Mário J. Franca, Alessandro Reffo, and Anton J. Schleiss

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Short summary
Mountain rivers can mobilize important amounts of sediment that endanger downstream dwellers and infrastructure during floods. Sediment traps are built immediately upstream of urban areas to retain hazardous sediment. However, many sediment traps retain too much sediment, which is then missing in downstream river sections, leading to a poor eco-morphological state. This study proposes an experimental research-based solution to improve sediment traps using a guiding channel.
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