Found 41 Outputs - Page 3 of 5
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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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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Efficient uncertainty quantification for impact analysis of human interventions in rivers
A novel method is presented to estimate model uncertainty with a reduced number of model evaluations.
14/06/2018 by Koen Berends et al.
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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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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.
19/04/2024 by Swinda Pfau
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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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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.
View details View publicationA stakeholder’s evaluation of collaborative processes for maintaining multi-functional floodplains: a Dutch case study
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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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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