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Found 41 Outputs - Page 1 of 5

Laying bare systemic river bed changes in the river Rhine

It is important to link cause-and-effect relations between bed response and their dominating triggers. This is particularly important in highly-engineered navigable rivers, where multiple influences from close-by and further away can obscure the dominating causes of local bed level changes, and thereby possibly point in the wrong direction when it comes to sustainable river management practices.

11/02/2021 by Pepijn van Denderen et al.

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Contains: Publication open access

Ill posedness in modelling two-dimensional morphodynamic problems

We reveal the existence of two additional mechanisms under which the 2D system of equations does not provide a unique solution.

11/04/2019 by Victor Chavarrias et al.

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Contains: Publication open access

Rivierbodemdynamiek meenemen in het ontwerp van maatregelen

In the Dutch Waal river, the bed topography of the navigational channel is measured bi-weekly. In a so-called TKI-project (cooperation between Rijkswaterstaat, HKV and Twente University) we use this data to link morphological changes to specific interventions in the river. This is not a straightforward as it may seem, because the morphological changes are the sum of small scale changes due to e.g. the presence of groynes, medium scale changes coming from the intervention and large scale changes coming from engineering measures in the (far) past to which the profile is still adjusting. A so-called wavelet analysis can be used to disentangle these different scales and enables us to focus only on the morphological changes due to the intervention. This improves river operations and maintenance and in the future also to facilitate the planning of new measures to minimize morphological impact.

01/10/2020 by Pepijn van Denderen et al.

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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.

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Application of a line laser scanner for bed form tracking in a laboratory flume

A new measurement method for continuous detection of bed forms in movable bed laboratory experiments is presented and tested.

23/03/2018 by Timo de Ruijsscher et al.

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Contains: Dataset access Model or tool access Publication open access

From implementation towards maintenance: sustaining collaborative initiatives for integrated floodplain management in the Netherlands

this article explores how stakeholders shape collaborative initiatives aimed at maintaining multifunctional floodplains.

06/07/2016 by Jan Fliervoet et al.

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Contains: Publication open access

Residual Biomass: A Silver Bullet to Ensure a Sustainable Bioeconomy?

Using residual biomass, such as grass and wood chips, as a resource instead of treating it as waste is not automatically more sustainable.

20/12/2018 by Swinda Pfau et al.

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Contains: Publication open access

Towards efficient uncertainty quantification with high-resolution morphodynamic models

An alternative approach to lower the computational cost of uncertainty analysis. Application to an idealized example for channel siltation in a harbour.

30/06/2019 by Koen Berends et al.

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Contains: Model or tool access Publication

On evaluating social learning outcomes of serious games to collaboratively address sustainability problems: A Literature Review

This systematic review examines how serious games are evaluated in relation to social learning.

12/11/2018 by Robert-Jan den Haan et al.

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Contains: Publication open access

Monitoring height and greenness of low floodplain vegetation with a time series of drone images

We identified at a plot scale the seasonal changes in the terrain, vegetation height, and greenness in a simple way.

30/04/2018 by Wimala van Iersel et al.

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Contains: Dataset upon request Publication open access

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