Searched for: author%3A%22Reniers%2C+A.%22
(1 - 15 of 15)
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Radermacher, M. (author), Zeelenberg, W. (author), De Schipper, M. (author), Reniers, A. (author)
Large beach nourishments are often considered an efficient way to deal with coastal zone management issues, notably coastal erosion. Such large nourishments can act as a geometric perturbation, which might cause the tidal current to detach from the coastline. The Sand Motor is a mega-scale beach nourishment in the Netherlands. Field observations...
conference paper 2015
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De Schipper, M.A. (author), De Vries, S. (author), Ranasinghe, R.W.M.R.J.B. (author), Reniers, A. (author), Stive, M.J.F. (author)
The present paper examines the generation and inter-annual evolution of alongshore variability in topography measured after the implementation of a sand nourishment. The magnitude of the topographic variability is quantified using 3.5 years of monthly survey data. The emergence and temporal change in alongshore morphological variability is...
conference paper 2013
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Van Rooijen, A. (author), Reniers, A. (author), Van Thiel de Vries, J.S.M. (author), Blenkinsopp, C. (author), McCall, R. (author)
A one-dimensional hydrostatic version of the XBeach model (Roelvink et al., 2009) is applied to hindcast swash morphodynamics measured during an accretive, and an erosive tide at Le Truc Vert beach (France) in early spring 2008 (Masselink et. al, 2009; Blenkinsopp et al., 2011). Swash hydrodynamics are solved by applying the nonlinear shallow...
conference paper 2012
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De Schipper, M.A. (author), Reniers, A. (author), MacMahan, J. (author), Ranasinghe, R.W.M.R.J.B. (author)
Field observations and numerical model simulations are examined to investigate the magnitude of vortical very low frequency (VLF) velocity fluctuations (i.e. large scale surfzone eddies) under different offshore wave forcing. Observations of vortical VLF motions under shore -normal wave incidence at Duck, NC, USA are re-analyzed and compared...
conference paper 2012
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Senechal, N. (author), Abadie, S. (author), Gallagher, E. (author), MacMahan, J. (author), Masselink, G. (author), Michallet, H. (author), Reniers, A. (author), Ruessink, G. (author), Russell, P. (author), Sous, D. (author)
A large multi-institutional nearshore field experiment was conducted at Truc Vert, on the Atlantic coast of France in early 2008. Truc Vert’08 was designed to measure beach change on a long, sandy stretch of coast without engineering works with emphasis on large winter waves (offshore significant wave height up to 8 m), a three-dimensional...
journal article 2011
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Van Thiel de Vries, J.S.M. (author), Van Dongeren, A.R. (author), McCall, R. (author), Reniers, A. (author)
The effect of the longshore dimension on dune erosion is examined numerically with a 2DH process based model XBeach. Exploratory simulations are presented to examine longshore effects due to directionally spread waves, longshore variation in topography and longshore variation in bathymetry. The simulations reveal that alongshore sediment...
conference paper 2011
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Smit, M. (author), Reniers, A. (author), Stive, M.J.F. (author)
Nearshore sandbars appear with various patterns which may change over time. From observations, these changes seem to be related to changes in hydrodynamic conditions, although observed length scales could not be related directly to occurring wave conditions. The current work investigated the role of both the concurrent and previous hydrodynamics...
conference paper 2010
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Henriquez, M. (author), Reniers, A. (author), Ruessink, G. (author), Stive, M.J.F. (author)
To study onshore bar migration and the accompanying intra-wave sediment transport a wave flume experiment was conducted. The wave flume had a rigid bottom with a single bar profile. The focus of the experiment was to measure the hydrodynamics in the wave bottom boundary layer. The results show that the skewness of bottom stress is not only...
conference paper 2010
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Bijl, M. (author), Reniers, A. (author), Ewans, K. (author), Masterton, S. (author), Huijsmans, R.H.M. (author)
conference paper 2009
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Van Dongeren, A. (author), Battjes, J.A. (author), Janssen, T. (author), Van Noorloos, J. (author), Steenhauer, K. (author), Steenbergen, G. (author), Reniers, A. (author)
The growth rate, shoreline reflection, and dissipation of low?frequency waves are investigated using data obtained from physical experiments in the Delft University of Technology research flume and by parameter variation using the numerical model Delft3D?SurfBeat. The growth rate of the shoaling incoming long wave varies with depth with an...
journal article 2007
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Van Dongeren, A. (author), Reniers, A. (author)
In this paper the nonlinear numerical model SHORECIRC is applied to simulate the intragravity wave conditions on two days during the 1990 Delilah campaign. In order to simulate the wave conditions an algorithm has been derived which synthesizes a directional of/shore wavefield from data including the bound, directional low-frequency components....
report 1999
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Reniers, A. (author)
Parameterization of long waves for the calculation of cross shore transport.
report 1993
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Roelvink, J.A. (author), Reniers, A. (author), Meijer, T.J. (author)
In this abstract we discuss the analysis of wave and profile measurements in the Grosse Wellenkanal, reported in Dette & Uliczka (Coastal Sediments, 1988) of which the raw data were made available by J. Oelerich in January 1992. This analysis provides us with accurate data not only on the profile development, but also on the variation in time...
report 1990
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Reniers, A. (author)
This progress report refers to part the work done within the framework of the Dutch Center for Coastal Research (NCK). The primary objective of our research is to develop knowledge and methods for the prediction of the hydrodynamic conditions for the Dutch coast taking into account the morphodynamic behaviour in the nearshore zone. In general...
report 1990
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Reniers, A. (author), Van Dongeren, A. (author)
In the following we consider the forcing of long waves by normally or obliquely incident grouped short waves, also known as surf beat. Two mechanisms responsible for the generation of long waves are considered: the release of the bound long waves associated with changes in the spatial variation of the incident short wave energy [Longuet-Higgins...
report 1990
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