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Communication Dans Un Congrès Année : 2013

Modelling impacts of "Johanna storm" on an open-beach with ECORS simulators

Résumé

Morphological and sedimentary dynamics processes on sandy beaches are not well understand. To better understand coastal processes on these highly complex environment, the ECORS system, led by French Oceanographic Office, have been developed and allow coastal short-term forecasting. Models formulations are complex and most of them are validate with laboratory data. Comparison between models results and field survey are not easy but necessary to improve a model. We reproduce in this paper the impacts of the "Johanna" storm (March 2008) on Vougot Beach (Finistère - France) using the SWAN-EPOC1DBeach modelling chain (still in development.) Dune erosion have been reproduced by modeling chain. Comparison of SWAN-ECPOC1DBeach model prediction with observations shows an overall good correlation. Dune erosion, sedimentary deposits and equilibrium beach profile are observed.
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Dates et versions

hal-00880391 , version 1 (10-08-2014)

Identifiants

  • HAL Id : hal-00880391 , version 1

Citer

Olivier Morio, Thierry Garlan, Serge S. Suanez, Patrick Guyomard. Modelling impacts of "Johanna storm" on an open-beach with ECORS simulators. Coastal Dynamics 2013 - 7th International Conference on Coastal Dynamics, Jun 2013, Arcachon, France. p. 1251-1262. ⟨hal-00880391⟩
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