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Towards the Development of a Storm Erosion EWS for the French Aquitaine Coast

dc.rights.licenseopenen_US
hal.structure.identifierBureau de Recherches Géologiques et Minières [BRGM]
dc.contributor.authorNICOLAE LERMA, Alexandre
hal.structure.identifierBureau de Recherches Géologiques et Minières [BRGM]
dc.contributor.authorBULTEAU, Thomas
hal.structure.identifierBureau de Recherches Géologiques et Minières [BRGM]
dc.contributor.authorMULLER, Héloïse
dc.contributor.authorDECARSIN, Clément
dc.contributor.authorGILLET, Raphaël
hal.structure.identifierBureau de Recherches Géologiques et Minières [BRGM]
dc.contributor.authorPARIS, François
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorBIAUSQUE, Melanie
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorSENECHAL, Nadia
IDREF: 077248430
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorCASTELLE, Bruno
IDREF: 087596520
dc.date.accessioned2024-05-04T09:50:52Z
dc.date.available2024-05-04T09:50:52Z
dc.date.issued2018
dc.identifier.issn0749-0208en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/199620
dc.description.abstractEnTowards the development of a storm erosion EWS for the French Aquitanian coast. The 230-km long Aquitaine sandy coast, SW France, is vulnerable to erosion hazards owing to its full exposure to Atlantic storm waves. Since 2015, the Observatory of the Aquitaine Coast and several academic and local partners have developed a network to better survey and forecast storm-driven morphological changes at regional scale. This paper presents the implementation of an early warning system (EWS) with the primary objective to alert the network members 2-3 days ahead in order to perform pre-storm and post-storm surveys. Regional bulletins are edited to identify the most exposed coastal sections. At local scale, tests are realized on two morphological indicators used to forecast qualitatively and quantitatively the likelihood of beach and dune erosion. The two indicators (namely the Collision Regime Indicator, CRI, and the Eroded Volume Indicator, EVI, were calibrated and further validated at two nearby beaches where extensive morphological data are collected regularly: bimonthly surveys from 2009 to 2015 at Truc Vert beach and surveys every 2 to 7 days during the winters since 2015 at Biscarrosse beach. Results indicate promising performance, with the CRI predicting collision regime when front dune erosion was indeed observed, and the EVI predicting fairly accurate eroded sediment volume on cross shore beach profile. Nevertheless, more extensive validation of the CRI and EVI is needed to extend the indicators to the entire Aquitaine coast and for a wide range single storms and storm clusters.
dc.language.isoENen_US
dc.title.enTowards the Development of a Storm Erosion EWS for the French Aquitaine Coast
dc.typeArticle de revueen_US
dc.identifier.doi10.2112/SI85-001.1en_US
dc.subject.halPlanète et Univers [physics]/Sciences de la Terre/Géomorphologieen_US
bordeaux.journalJournal of Coastal Researchen_US
bordeaux.page5 p.en_US
bordeaux.volumeSI 85en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamMETHYSen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcehal
hal.identifierhal-01719953
hal.version1
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exportfalse
workflow.import.sourcehal
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Coastal%20Research&rft.date=2018&rft.volume=SI%2085&rft.spage=5%20p.&rft.epage=5%20p.&rft.eissn=0749-0208&rft.issn=0749-0208&rft.au=NICOLAE%20LERMA,%20Alexandre&BULTEAU,%20Thomas&MULLER,%20H%C3%A9lo%C3%AFse&DECARSIN,%20Cl%C3%A9ment&GILLET,%20Rapha%C3%ABl&rft.genre=article


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