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handle: 10261/62906
[ES] En este trabajo, utilizamos el modelo XBeach para examinar la influencia de las barras sumergidas en la inundación observada durante el temporal de Octubre de 1998 en la playa multibarrada de Noordwijk (Holanda). Para ello, cinco simulaciones 1D se llevaron a cabo, sin considerar los cambios morfológicos; se realizaron cuatro simulaciones en perfiles medidos en Noordwijk con barras de altura y localización diferente y una simulación con un perfil ideal sin barras. La inundación modelada fue validada mediante observaciones de video. Los resultados indican que la inundación es ligeramente inferior en los perfiles con barras que en los perfiles sin barras y depende de la distancia de la barra interior a la orilla. El modelo XBeach subestima la inundación durante el temporal simulado.Estas diferencias entre la observación modelada y la observada pueden estar relacionadas por el hecho de no considerar los cambios morfológicos durante las simulaciones
[EN] In this study, we use the XBeach model to examine the influence of subtidal sandbars on the inundation as observed during a storm of October 1998 at the multibarred Noordwijk beach (The Netherlands). To this end, five different 1D-simulations were carried out without considering morphological changes; four simulations used beach profiles measured at Noordwijk but differing in sandbar height and location and one simulation with a synthetic barless profile. The modelled inundation was validated using video observations. Results indicate that the inundation is slightly lower at the barred profiles and depends on the distance of the inner bar to shore. XBeach model underestimates the inundation occurred during the storm simulated. These differences between the observed and the modelled inundation could be related to the fact that the morphology did not vary during the simulations
The work of the first author is supported by a JAE-predoc grant from the CSIC and co-founded by the European Social Fund (ESF)
VIII Congreso Geológico de España (Oviedo, 2012).-- 4 pages, 3 figures, 1 table
Peer reviewed
XBeach model, Barras sumergidas, Temporales, Observaciones de video, Video observations, Storm surge, Modelo XBeach, Sandbars
XBeach model, Barras sumergidas, Temporales, Observaciones de video, Video observations, Storm surge, Modelo XBeach, Sandbars
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