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van den Hoven, Kim (author), Grashof-Bokdam, Carla J. (author), Slim, Pieter A. (author), Wentholt, Ludolph (author), Peeters, Patrik (author), Depreiter, Davy (author), Koelewijn, André R. (author), Stoorvogel, Marte M. (author), van den Berg, M. (author), Kroeze, Carolien (author), van Loon-Steensma, Jantsje M. (author)Coastal flood managers seek to anticipate future flood risk and as a result consider the adaptation of flood defences. Instead of crest heightening, dikes can be adapted to include hydrodynamic reducing vegetated foreshores to form a nature-based hybrid flood defence, for instance; at managed realignments. In this study we investigated the...journal article 2024
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Vader, Hidde (author), Bakker, A.M.R. (author), Jonkman, Sebastiaan N. (author), van den Boomen, M. (author), van Baaren, Esther (author), Diermanse, Ferdinand L.M. (author)Over the course of the last century, storm surge barriers have been built in several countries and proven to be successful in preventing flooding. However, the operation, reliability, and remaining life of these structures have come under increased pressure due to changing demands, intensified utilisation, and climate change. Yet, there is...journal article 2023
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den Heijer, F. (author), Podt, Maarten (author), Bosch-Rekveldt, M.G.C. (author), de Leeuw, Annemargreet (author), Rijke, Jeroen (author)Flood defences are often situated in public spaces and are mostly multi-functional, multi-financed and multi-managed. Cooperation in flood defence asset management is important because roles and responsibilities are fragmented within and between organisations. This complex context calls for mutual understanding from responsible role-holders....journal article 2023
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Mooyaart, L.F. (author), Bakker, A.M.R. (author), van den Bogaard, Johan A. (author), Rijcken, T. (author), Jonkman, Sebastiaan N. (author)Storm surge barriers are large movable hydraulic structures which close during a storm surge to prevent coastal floods. In the regions they protect, a failure to close the barrier is often the most likely cause for a catastrophic flood. Nevertheless, flood risk assessments usually only focus on raising flood defences behind the barrier....journal article 2023
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Klerk, W.J. (author), van Bergeijk, Vera (author), Kanning, W. (author), Wolfert, A.R.M. (author), Kok, M. (author)The condition of flood defence revetments is influenced by many different degradation processes such as animal burrowing, rutting and growth of weeds. Many of these processes are shock-based rather than progressive continuous. As shocks can cause a drop in performance, this means that the condition of a revetment can suddenly decrease,...journal article 2023
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Koelewijn, André (author), Pol, J.C. (author), van Schaijk, Malou (author)During the July 2021 Flood, the main flood defences along the River Meuse in the Netherlands performed well and did not breach. This paper is meant to document the various incidents on the flood defence system. As such, it provides an overview and description of the reported incidents related to flood defences, including a few breaches in minor...journal article 2023
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Pol, J.C. (author)Structural flood protection systems such as levees are an important component in flood risk reduction strategies. Levees can fail through various failure mechanisms; this thesis focuses on the mechanism Backward Erosion Piping (BEP) which occurs when a sandy levee foundation is eroded by groundwater flow. To assess whether a levee's reliability...doctoral thesis 2022
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Klerk, W.J. (author)Many countries rely on flood defence systems to prevent economic damage and loss-of-life due to catastrophic floods. Asset managers of flood defence systems need to cope with the consequences of structural degradation, and changing societal and environmental conditions, in order to satisfy performance requirements and optimize societal value of...doctoral thesis 2022
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Without our dikes and dunes, 60% of the Netherlands would flood on a regular basis. This area is home to 9 million people. The latest<br/>report of the Intergovernmental Panel on Climate Change (IPCC, February 2022) underlines the importance of reinforcing water safety. Sea levels are rising and extreme weather is becoming increasingly common....book 2022
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Lashley, Christopher H. (author)Coastal communities across the globe are often protected by structures, such as seawalls, levees or dikes, which allow only a safe volume of water to pass over or “overtop” them due to wave action during storms. The area seaward of these structures is often characterised by shallow, gently sloping beds referred to as foreshores.<br/>As storm...doctoral thesis 2021
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Klerk, W.J. (author), Kanning, W. (author), Kok, M. (author), Wolfert, A.R.M. (author)Climate change and deterioration require a continuous effort to reinforce flood defences and meet reliability requirements. To efficiently upgrade flood defence systems, insight in costs and benefits of measures at a system level is required throughout the process of planning and design. Due to the size of flood defence systems the number of...journal article 2021
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Klerk, W.J. (author), Kanning, W. (author), Kok, M. (author), Bronsveld, J. (author), Wolfert, A.R.M. (author)Prioritisation of flood defence maintenance is typically based on visual inspection. However, literature shows that the Probability of Detection (PoD) of visual inspection can vary significantly. Here we investigate the PoD for visual inspections of flood defence structures, the consistency of damage classification, and the influence of...journal article 2021
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Marijnissen, Richard J.C. (author), Kok, M. (author), Kroeze, Carolien (author), van Loon-Steensma, J.M. (author)In this paper the safety of a double-dike system (or twin dikes) is assessed. Such a system consist of two parallel lines of flood defences. During storms the combined strength of the parallel flood defences must prevent flooding of the hinterland. A culvert can be implemented for the tidal exchange of sea water to enable new land-uses in the...journal article 2021
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Kool, J.J. (author), Kanning, W. (author), Jommi, C. (author), Jonkman, Sebastiaan N. (author)Hindcasting of past levee failures enhances insights in the performance and vulnerability of levees. The scarcity of field evidence makes identifying the cause(s) of failure difficult. Under these circumstances, multiple scenarios and model choices are possible to characterise and to model the failure. This paper shows how probabilistic...journal article 2020
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Dupuits, E.J.C. (author)Historically, people in flood-prone areas world-wide have (to a certain degree) accepted the risk of being flooded because of the benefits that flood-prone areas can provide; examples of such benefits are rich agricultural lands or trade advantages. Acceptance and benefits notwithstanding, people living in flood-prone areas have tried, and will...doctoral thesis 2019
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Klerk, W.J. (author), Kanning, W. (author), van Veen, Nelle-Jan (author)Many flood defences in the Netherlands will have to be reinforced in the coming decades. Many dikes do not fulfill the safety standard due to geotechnical failure modes, largely due to epistemic, reducible uncertainties. . The Value of Information is a measure to indicate beforehand whether an investment towards reducing epistemic uncertainty is...conference paper 2019
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Özer, I.E. (author), van Damme, M. (author), Jonkman, Sebastiaan N. (author)Understanding levee failures can be significantly improved by analysing historical failures, experiments and performance observations. Individual efforts have been undertaken to document flood defence failures but no systematically gathered large scale, open access dataset is currently available for thorough scientific research. Here, we...journal article 2019
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Klerk, W.J. (author), Schweckendiek, T. (author), den Heijer, Frank (author), Kok, M. (author)One of the most rapidly emerging measures in infrastructure asset management is Structural Health Monitoring (SHM), which aims at reducing uncertainty in structural performance by using monitoring equipment. As earthen flood defence structures typically have large strength uncertainties, such techniques can be particularly promising. However,...journal article 2019
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Dupuits, E.J.C. (author), Klerk, W.J. (author), Schweckendiek, T. (author), de Bruijn, K. M. (author)In risk analysis of riverine flood defence systems, sections of flood defences are often considered separately, herewith ignoring their interdependence, e.g. due to the hydraulic response following dike breaches in the system. In previous studies it has been found that such interdependence can have a significant influence on flood risk estimates...journal article 2019
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Jonkman, Sebastiaan N. (author), Voortman, H.G. (author), Klerk, W.J. (author), van Vuren, S. (author)This article highlights recent developments in flood risk management in the Netherlands and presents approaches for reliability analysis and asset management for flood defences and hydraulic infrastructure. The functioning of this infrastructure is of great importance for the country as large parts of it are prone to flooding. Based on a...journal article 2018