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van Wiechen, P.P.J. (author), de Vries, S. (author), Reniers, A.J.H.M. (author), Aarninkhof, S.G.J. (author)Dune erosion during storm surges can lead to excessive damage to the dune system with devastating floods as a potential consequence. A risk assessment of areas protected by dunes can be facilitated by an understanding and description of the physical processes that take place. Field measurements, knowledge of underlying processes and numerical...review 2023
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van IJzendoorn, Christa (author), Hallin, E.C. (author), Reniers, A.J.H.M. (author), de Vries, S. (author)Grain size affects the rates of aeolian sediment transport on beaches. Sediment in coastal environments typically consists of multiple grain-size fractions and exhibits spatiotemporal variations. Still, conceptual and numerical aeolian transport models are simplified and often only include a single fraction that is constant over the model...journal article 2023
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Hallin, E.C. (author), van IJzendoorn, Christa (author), Homberger, Jan Markus (author), de Vries, S. (author)A model that simulates surface moisture content on sandy beaches for aeolian transport applications is developed and integrated into the aeolian transport model AeoLiS. The moisture content of a thin surface layer (≈2 mm thickness) is computed as a function of wave runup, precipitation, evaporation, percolation, and capillary rise from the...journal article 2023
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Gawehn, M.A. (author), Almar, Rafael (author), Bergsma, Erwin W. J. (author), de Vries, S. (author), Aarninkhof, S.G.J. (author)Optical satellite images of the nearshore water surface offer the possibility to invert water depths and thereby constitute the underlying bathymetry. Depth inversion techniques based on surface wave patterns can handle clear and turbid waters in a variety of global coastal environments. Common depth inversion algorithms require video from shore...journal article 2022
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Timmerman, Jos G. (author), de Vries, S. (author), Berendsen, Monique (author), van Dokkum, Ronald (author), van de Guchte, Cees (author), Vlaanderen, Niels (author), Broek, Emilie (author), van der Horst, Aart (author)Representatives from 14 countries worldwide worked together on improving their monitoring and ultimately their water management to reach the Sustainable Development Goal (SDG) 6 goals by 2030, thereby testing the Information Strategy Model (ISM). This model is developed to support identifying the need for information for water management. In...journal article 2022
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Vos, S.E. (author), Anders, Katharina (author), Kuschnerus, M. (author), Lindenbergh, R.C. (author), Höfle, Bernhard (author), Aarninkhof, S.G.J. (author), de Vries, S. (author)Sandy coasts form the interface between land and sea and their morphologies are highly dynamic. A combination of human and natural forcing results in morphologic changes affecting both nature values and coastal safety. Terrestrial laser scanning (TLS) is a technique enabling near-continuous monitoring of the changing morphology of a sandy...journal article 2022
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Coastal aeolian sediment transport in an active bed surface layer: Tracer study and conceptual modelUphues, Charlotte F.K. (author), van IJzendoorn, C.O. (author), Hallin, E.C. (author), Pearson, S.G. (author), van Prooijen, Bram (author), Miot da Silva, Graziela (author), de Vries, S. (author)Coastal aeolian sediment transport is influenced by supply-limiting factors caused by sediment sorting by grain size. Sorting processes can lead to coarsening of the bed surface and influence the formation of aeolian ripples. However, the influence sorting processes and bedforms might have on the magnitude of the transport is not fully...journal article 2022
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Kroon, J. (author), de Schipper, M.A. (author), de Vries, S. (author), Aarninkhof, S.G.J. (author)Sandy nourishments can provide additional sediment to the coastal system to maintain its recreational or safety function under rising sea levels. These nourishments can be implemented at sandy beach systems, but can also be used to reinforce gray coastal infrastructure (e.g., dams, dikes, seawalls). The Hondsbossche Dunes project is a combined...journal article 2022
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van IJzendoorn, Christa (author), Hallin, E.C. (author), Cohn, Nicholas (author), Reniers, A.J.H.M. (author), de Vries, S. (author)In sandy beach systems, the aeolian sediment transport can be governed by the vertical structure of the sediment layers at the bed surface. Here, data collected with a newly developed sand scraper is presented to determine high-resolution vertical grain size variability and how it is affected by marine and aeolian processes. Sediment samples...journal article 2022
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Gawehn, M.A. (author), de Vries, S. (author), Aarninkhof, S.G.J. (author)Mapping coastal bathymetry from remote sensing becomes increasingly more attractive for the coastal community. It is facilitated by a rising availability of drone and satellite data, advances in data science, and an open-source mindset. Coastal bathymetry, but also wave directions, celerity and near-surface currents can simultaneously be derived...journal article 2021
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Roest, Lambertus W.M. (author), de Vries, S. (author), de Schipper, M.A. (author), Aarninkhof, S.G.J. (author)Recently, mega feeder nourishments have been proposed as a new strategy to nourish sediment-starving beaches. This strategy involves the placement of a large, concentrated sediment volume at a single location along the coast. Wind, waves and currents act as the natural agents to spread the sediment alongshore over the course of years to decades....journal article 2021
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Schepper, Rob (author), Almar, Rafael (author), Bergsma, Erwin (author), de Vries, S. (author), Reniers, A.J.H.M. (author), Davidson, Mark (author), Splinter, Kristen (author)In this paper, a new approach to model wave‐driven, cross‐shore shoreline change incorporating multiple timescales is introduced. As a base, we use the equilibrium shoreline prediction model ShoreFor that accounts for a single timescale only. High‐resolution shoreline data collected at three distinctly different study sites is used to train...journal article 2021
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van IJzendoorn, C.O. (author), de Vries, S. (author), Hallin, E.C. (author), Hesp, Patrick A. (author)Sea level is rising due to climate change and is expected to influence the development and dynamics of coastal dunes. However, the anticipated changes to coastal dunes have not yet been demonstrated using field data. Here, we provide evidence of dune translation that is characterized by a linear increase of the dune toe elevation on the order...journal article 2021
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Arens, Sebastiaan M. (author), de Vries, S. (author), Geelen, Luc HWT (author), Ruessink, Gerben (author), van der Hagen, Harrie GJM (author), Groenedijk, Dick (author)In their recently published paper, Delgado-Fernandez et al. (2019) critically review the limitations and dangers of the relatively recent shift towards dune rejuvenation management in North-western Europe. We would like to comment on the paper from the Dutch perspective.journal article 2020
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Vos, S.E. (author), Spaans, Lennard (author), Reniers, A.J.H.M. (author), Holman, Rob (author), McCall, Robert (author), de Vries, S. (author)Intertidal bars are naturally occurring morphological features along the waterline of sandy beaches. Present quantitative knowledge on intertidal bar behavior is limited, due to the scarcity of data resources and the limitations of traditional survey techniques. To investigate and quantify the cross-shore morphologic behavior of intertidal...journal article 2020
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Gawehn, M.A. (author), van Dongeren, Ap (author), de Vries, S. (author), Swinkels, Cilia (author), Hoekstra, Roderik (author), Aarninkhof, S.G.J. (author), Friedman, Joshua (author)Coastal management in the Netherlands has the aim to defend coastal zones by preventing flooding and mitigating erosion. To that end, large-scale nourishments are placed in the nearshore, which are supposed to dynamically preserve the coastal zone over a timescale of years. To assess their effectiveness, these nourishments are monitored over...journal article 2020
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Do, T.K.A. (author), de Vries, S. (author), Ye, Qinghua (author), Stive, M.J.F. (author), Nguyen, Trung Viet (author)Cua Dai inlet is a typical microtidal, mixed energy-wave dominated inlet in a tropical monsoon regime in central Vietnam. Both the river flow regime and coastal processes such as induced by waves and tides influence Cua Dai Inlet and its adjacent coasts. Cua Dai Beach, the northern adjacent coast of Cua Dai inlet, has experienced severe...book chapter 2020
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Do, T.K.A. (author), Kralli, Vasiliki E. (author), de Vries, S. (author), Nguyen, Viet T. (author), Stive, M.J.F. (author)Cua Dai Beach located adjacent to Cua Dai Inlet is a typical, seasonally varying tidal inlet. This famous beach has suffered extreme erosion since 1995 due to an apparent irregular-periodic process, a decrease of sediment supply from the river and its estuaries and increased squeeze by coastal developments. The main objective of this study is...conference paper 2020
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Verschuur, Jasper (author), Le Bars, Dewi (author), Katsman, C.A. (author), de Vries, S. (author), Ranasinghe, Roshanka (author), Drijfhout, Sybren S. (author), Aarninkhof, S.G.J. (author)Sea-level rise (SLR) can amplify the episodic erosion from storms and drive chronic erosion on sandy shorelines, threatening many coastal communities. One of the major uncertainties in SLR projections is the potential rapid disintegration of large fractions of the Antarctic ice sheet (AIS). Quantifying this uncertainty is essential to support...journal article 2020
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Hoonhout, B.M. (author), de Vries, S. (author)Mega nourishments are a novel approach to stimulating coastal safety and resilience. Mega nourishments are intended to spread along the coast on a decadal time scale by natural sediment transport processes with a minimum of intrusion into the natural coastal system. The supratidal morphodynamic behaviour of mega nourishments is not well...journal article 2019