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13 avril 2017
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info:eu-repo/semantics/reference/issn/1278-3366
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Risk evaluation Assessment, Risk Risk analysis Analysis, Risk Tidelands Lands under the marginal sea Submerged coastal lands Lands beneath navigable waters Spacetime Space-times Space of more than three dimensions Time and space Space-time Space-time continuum Mean sea level Sea level rise Awareness, Risk Risk awareness Administration Frenchmen (French people) River estuaries Drowned river mouths Branching bays Firths Bights (Bays) GulfsCiter ce document
Etienne Chauveau et al., « Xynthia: lessons learned from a catastrophe », Cybergeo : revue européenne de géographie / European journal of geography, ID : 10.4000/cybergeo.28032
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Résumé
The storm Xynthia occurred on the 28th of february 2010. It has been one of the most deadly seen on the French territory since several decades, with 47 victims, half of them found on the department of Vendée. We suggest a global interpretation of the reasons of the disaster on two adjoining districts, in the south of this department, La Faute-sur-mer and L’Aiguillon-sur-mer. We first focus on the different natural hazard’s characteristics: wind’s strength, role of the high tide’s coefficients, topography of the affected coastal areas, particularly on enclosed bays and estuaries, constitute risk factors which have add their effects in time and space, creating strong uplifts of sea level. We then analyse the crisis development, which partially explains the vulnerability of specific areas. Following, the first economic consequences on submerged lands are presented. Finally, we point the lack of risk assessment, resulting from long and carelessness practices on territorial management, to the detriment of natural processes knowledge and constraints, especially on potentially submerged areas. The lack of risk awareness has persisted with decisions taken locally, as well as at the highest national politic power. Keywords: Xynthia, disaster, marine submersion, vulnerability, disaster remembrance, risk management