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Spatial assessment of extreme significant waves heights in the Gulf of Lions

Abstract : In the analysis of coastal hazards, the features of extreme waves are determining information to question the impact of storms to the coast. The spatial behaviour of extreme waves is even more valuable especially since it is sparsely provided. Regarding recent applications in other contexts, a kind of statistical models called max-stable processes is relevant for modelling spatial extreme events. Max-stable processes are extensions of the well-known Generalised Extreme Value (GEV) distribution. Unlike univariate approaches, max-stable processes consider spatial dependence of a phenomenon. Such a modelling also overtakes a standard multivariate approach by providing information continuously over the area studied, even where no observation is available. Relying on such a stochastic modelling, the aim of this study is to discuss the extreme waves hazards in the Gulf of Lions, focusing on their spatial behaviour.
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Romain Chailan, Gwladys Toulemonde, Frederic Bouchette, Anne Laurent, Florence Sevault, et al.. Spatial assessment of extreme significant waves heights in the Gulf of Lions. ICCE: International Conference on Coastal Engineering, 2014, Seoul, South Korea., ⟨10.9753/⟩. ⟨lirmm-01382568⟩



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