Research Outputs

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Morphodynamic assessment of side channel systems using a simple one-dimensional bifurcation model and a comparison with aerial images

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Published on 05/12/2017 by Van Denderen, R. P., Schielen, R. M. J., Blom, A., Hulscher, S. J. M. H., & Kleinhans, M. G.

Contact details

Pepijn van Denderen

University of Twente

Output contains: Dataset upon request Storyline for practice

Morphological changes in a two channel system in the River Ain (France) near the village Mollon. (Source: IGN-France, Google Earth)

Innovative components

We study the conditions under which side channels generally aggrade or degrade, and estimate the characteristic time scale of the associated morphodynamic change. We present these results in a set of diagrams with which the equilibrium state of a side channel and the time scale of developme
nt can be estimated for a range of side channel conditions. These can support the future design and maintenance of side channel systems.

Implications to practice

  • We propose diagrams to estimate side channel development.
  • Both the equilibrium state and the time scale of side channels in which bed load of the main channel is deposited can be estimated (view storyline for an scrollable overview for interested professionals).

Related Content

Publication

Dataset access

Source code and results of the 1D bifurcation model and series of aerial image series that are used in the publication.

Related outputs

Explaining artificial side channel dynamics using data analysis and model calculations

We studied in detail the development of a side channel in the river Waal. A more frequently flowing side channel results in lower aggradation or sedimentation.

15/02/2018 by Pepijn van Denderen et al.

View output View publication

Contains: Dataset access

Last modified: 29/01/2019

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