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Synthèse de 10 années de recherche autour de la méthode de cartographie hydrogéomorphologique dans le département de l'Aude à la suite des inondations de novembre 1999

Abstract : The spatial and human magnitude of the floods in November, 1999 has stimulated a decade of research in river geomorphology. Studies that have been carried out or are now in progress are linked to the contributions of the river geomorphology in the knowledge and in the determination of flood-risk areas close to a stream. The present communication has for objective to establish a synthesis of the results obtained through the various collaborations started after the floods of November, 1999. This synthesis carries in particular on : (1) the results obtained by the application of the method of hydrogeomorphological mapping : what is the relevance of the hydrogeomorphological influence in front of such floods ? (2) The works relative to the development of a method of hazard determination taking into account the contributions of the geormorphology and the hydrology-hydraulics (elaboration of an integrated method) (3) The works relative to detailed analysis of the essential of the alluvial plain with researches led at the same time on the middle channel and on the exceptional floodplain discovered during the various field works. The research works introducde in the department of the Aude were able to be confirmed and supported on the department of the Gard which underwent catastrophic floods during September 2002 when the team also intervenes for the realization of these various research works.
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Submitted on : Wednesday, August 2, 2017 - 12:12:54 PM
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  • HAL Id : hal-01571384, version 1

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Sylvain Chave, Jean-Louis Ballais, Christophe Esposito, Virginie Delorme-Laurent. Synthèse de 10 années de recherche autour de la méthode de cartographie hydrogéomorphologique dans le département de l'Aude à la suite des inondations de novembre 1999. Risques naturels en Méditerranée occidentale, F. Ogé, Nov 2009, Carcassonne, France. pp.53-71. ⟨hal-01571384⟩

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