Modelling swash zone sediment transport at Le Truc Vert, France

Arnold van Rooijen, Ad Reniers, Jaap van Thiel de Vries, C Blenkinsopp, Robert Mccall

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Abstract

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 water equations, and sediment transport rates are obtained from a combined intra-wave Nielsen and Bagnold
type transport model. Reasonable predictions of morphological change in the swash were obtained. Nevertheless, the
model underpredicts the water level setup and/or wave run-up during the accretive tide, which is hypothesized to be
related to 2D-effects
Original languageEnglish
Title of host publication33rd International Conference on Coastal Engineering
Subtitle of host publicationProceedings of 33rd Conference on Coastal Engineering, Santander, Spain, 2012
EditorsP Lynett, J McKee Smith
Number of pages11
Volume33 (2012)
Publication statusPublished - 2012

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Keywords

  • numerical model
  • swash zone
  • sediment transport
  • XBeach
  • bed load
  • suspended load
  • Le Truc Vert

Cite this

van Rooijen, A., Reniers, A., van Thiel de Vries, J., Blenkinsopp, C., & Mccall, R. (2012). Modelling swash zone sediment transport at Le Truc Vert, France. In P. Lynett, & J. McKee Smith (Eds.), 33rd International Conference on Coastal Engineering: Proceedings of 33rd Conference on Coastal Engineering, Santander, Spain, 2012 (Vol. 33 (2012))