SEDIMENT TRANSPORT

Suspended sediment transport

Turbidity probe to continuously monitor the suspended sediment load

Turbidity probe to continuously monitor the suspended sediment load

Turbid proglacial stream

High suspended sediment concentrations during a flood

N

Suspended sediment continuous monitoring

We use turbidity sensors to continously monitor the suspended sediment load in streams.

N

Suspended sediment volumes

We provide with estimates of sediment volumes transported in suspension based on our field measurements.

N

Suspended sediment modelling

We combine up-to-date hydraulic and suspended sediment models to simulate suspended sediment dynamics under various scenarios.

Bedload transport

Acoustic Square-pipe system (SPS) to continuously monitor bedload transport

Continous time-series of bedload transport (in red) measured with an acoustic sensor

Seismic sensor to continuously monitor bedload transport

Seismic signature of bedload transport in a mountain river

N

Bedload transport continuous monitoring

We use acoustic and seismic sensors to continuously monitor bedload transport in streams.

N

Bedload transport volume

We provide with estimates of bedload transport volumes based on our field measurements.

N

Bedload transport modelling

We combine up-to-date hydraulic and bedload transport models to simulate bedload transport dynamics under various scenarios.

A

Applications

  • Support for hydropower companies to manage sediment transport near production plants.
  • Quantitative assessment of measures to enhance the sediment transport regime in streams (Art. 43A WPA).
  • Assessment of river engineering and river restoration project sediment budget.
  • Flooding risk associated to sediment transport processes.

…

See associated projects
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Selected scientific references

  • Antoniazza, G., Dietze, M., Mancini, D., Turowski, J. M., Rickenmann, D., Nicollier, T., Boss, S. & Lane, S. N. (2023). Anatomy of an Alpine bedload transport event: A watershed-scale seismic-network perspective. Journal of Geophysical Research: Earth Surface, 128, e2022JF007000. https://doi.org/10.1029/2022JF007000
  • Lane, S. N., Gaillet, T., & Goldenschue, L. (2022). Restoring morphodynamics downstream from Alpine dams: Development of a geomorphological version of the serial discontinuity concept. Geomorphology, 402, 108131.
  • Rickenmann, D., Ammann, L., Nicollier, T., Boss, S., Fritschi, B., Antoniazza, G., Steeb, N., Chen, Z., Wyss, C., Badoux, A. (2024). Indirekte Geschiebetransportmessung, Teil 1: Vergleich von verschiedenen Messsystemen. Wasser, Energie, Luft, 116, 14-22.
  • Rickenmann, D. (2017): Bed-load transport measurements with geophones and other passive acoustic methods. Journal of Hydraulic Engineering, 60th Anniversary State-of-the-Art Reviews, 143(6), 03117004-1-14, doi: 10.1061/(ASCE)HY.1943-7900.0001300.
  • Rickenmann, D., Böckli, M., Heimann, F.U.M., Badoux, A., Turowski, J.M. (2016): Bedload transport simulation with the model sedFlow: application to mountain rivers in Switzerland. In: Koboltschnig, G. (ed) 13th Congress Interpraevent 2016. 30 May to 2 June 2016, Lucerne, Switzerland. Conference Proceedings. Living with natural risks. Luzern, International Research Society Interpraevent. 387-395. https://www.interpraevent.at/palm-cms/upload_files/Publikationen/Tagungsbeitraege/2016_1_387.pdf
  • Wyss, C.R., Rickenmann, D., Fritschi, B., Turowski, J.M., Weitbrecht, V., Boes, R.M. (2016): Measuring bedload transport rates by grain-size fraction using the Swiss plate geophone signal at the Erlenbach. Journal of Hydraulic Engineering, 142(5), 04016003, doi: 10.1061/(ASCE)HY.1943-7900.0001090.

 

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