Found 41 Outputs - Page 2 of 5
A regularization strategy for modeling mixed-sediment river morphodynamics
Approach to improve the prediction capabilities under which the most common model does not provide a unique solution.
05/04/2019 by Victor Chavarrias et al.
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A characterization of side channel development
Side channel generally aggrade. The rate at this occurs depends on the design of the side channel. We propose three categeories of side channels which can be used to estimate the time scale of side channel development
01/11/2019 by Pepijn van Denderen et al.
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Flood hazard reduction from automatically applied landscaping measures in RiverScape
Seven flood reduction measures along the Waal river were ranked according to the water level reduction and the displaced material for their implementation.
01/03/2018 by Menno Straatsma et al.
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A stakeholder’s evaluation of collaborative processes for maintaining multi-functional floodplains: a Dutch case study
Life cycle greenhouse gas benefits or burdens of residual biomass from landscape management
Residual biomass from landscape management can contribute to both greenhouse gas benefits and burdens, depending on the application.
16/09/2025 by Swinda Pfau
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Uncertainty obscures Room for the River results for now
Models predict water level decrease, but measurements are too uncertain for now. This reveals a challenge for validation model predictions of human intervention
14/07/2021 by Koen Berends 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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The role of place attachment in public perceptions of a re-landscaping intervention in the river Waal
Public perception research can tell you more about the importance of river landscapes as ‘space’ and ‘place’.
01/05/2018 by Laura Verbrugge et al.
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Morphodynamic assessment of side channel systems using a simple one-dimensional bifurcation model and a comparison with aerial images
To aid the future design and maintenance, a set of diagrams allow to estimate both the equilibrium state and the time that takes for the bed load of the main channel to aggrade or deposit in the side channel.
05/12/2017 by Pepijn van Denderen et al.
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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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