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Found 41 Outputs - Page 1 of 5

Oblique aggradation: a novel explanation for sinuosity of low‐energy streams in peat‐filled valley systems

We inform stream restoration in peat-filled valleys by looking at the relative position of the erodible material to explain the origin of the stream bends in the Drentsche Aa area.

07/12/2016 by Jasper Candel et al.

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Contains: Dataset access Publication open access Storyline for practice

Quantifying biomass production for assessing ecosystem services of riverine landscapes

An approach for quantifying the changes in the biomass growth over the Dutch Rhine tributaries due to the river interventions and floodplain vegetation management between the years 1997 and 2012.

01/05/2018 by Remon Koopman et al.

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The initial morphological impact of the longitudinal dams

Human interventions can result in changes in the equilibrium profile of rivers. It is difficult to identify the bed level changes that result from river interventions due to the various causes of bed level changes. Using wavelet filtering, we are able to isolate the effect of river interventions based on the length scale over which they occur. The method presented here can aid in verifying model results. In addition, it can be used to estimate bed level changes that occur over various spatial scales.

13/02/2020 by Pepijn van Denderen et al.

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Contains: Publication open access

Disentangling spatial scales of morphological development

The river bed continuously changes on various spatial and temporal scales. Migrating river dunes are an example of local and relatively fast change. At the same time, engineering measures from the last decades cause the river bed to degrade to the present date. To be able to predict the development of the river bed, it is important to distinguish between and disentangle the various spatial and temporal scales.

13/02/2020 by Pepijn van Denderen et al.

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Contains: Publication open access

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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Contains: Dataset access

Classification of river floodplain low vegetation using seasonal drone imagery

A practical solution for monitoring areas of a few kilometers and derive land cover classification with high accuracies.

19/07/2019 by Wimala van Iersel et al.

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Contains: Dataset upon request 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

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

Understanding actor perspectives regarding challenges for integrated river basin management

People use different world views when addressing problems, often resulting in different views on both the problem and its solution. For this paper, we explored management challenges and actor perspectives on these in Dutch integrated river basin management.

09/08/2018 by Robert-Jan den Haan et al.

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Insight into the local bed-level dynamics to assist management of multi-funtional rivers

River discharge fluctuations cause bed-level variations at various scales, resulting from spatial gradients in the river’s geometry. Insight into these bed-level variations and their relation to discharge fluctuations can help to predict and prevent the formation of local bottlenecks. In this paper, we use bi-weekly bed-level measurements of the river Waal to estimate the bed-level variations related to the river discharge.

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

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Contains: Publication open access

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