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Human exposure to flash floods – Relation between flood parameters and human vulnerability during a storm of September 2002 in Southern France

Abstract : The aim of this paper is to investigate the detailed hydrometeorological circumstances that lead to accidental casualties, and to better understand the prominent physical factors of risk. Based on an event that affected the Gard region (Southern France) in September 2002, it is a first attempt to combine analysis of the physical and human response to Mediterranean storms. After details concerning the methodology (for meteorological, hydrological and casualty analysis), the local context and the event, the authors examine two points: the dynamics of the event (flash-flood and riverine-flood response to the storm) together with human exposure on the one hand, and scale as a critical problem affecting flood risk on the other. This investigation stresses the specificity of small catchments, which are more dangerous both in hydrological and human terms. Moreover, this contribution linking social sciences and geophysics constitutes an important step in what [Morss, R.E., Wilhelmi, O.V., Downton, M.W., Gruntfest, E., 2005. Flood risk, uncertainty, and scientific information for decision making. Bull. Am. Meteor. Soc. 86 (11), 1593–1601] call the “End to end to end” process
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Submitted on : Thursday, May 28, 2009 - 11:22:23 AM
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Isabelle Ruin, Jean-Dominique Creutin, Sandrine Anquetin, Céline Lutoff. Human exposure to flash floods – Relation between flood parameters and human vulnerability during a storm of September 2002 in Southern France. Journal of Hydrology, Elsevier, 2008, 36 (1-2), pp.199 à 213. ⟨10.1016/j.jhydrol.2008.07.044⟩. ⟨insu-00389120⟩

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