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Nature-Based Solution along High-Energy Eroding Sandy Coasts: Preliminary Tests on the Reinstatement of Natural Dynamics in Reprofiled Coastal Dunes

dc.rights.licenseopenen_US
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorCASTELLE, Bruno
IDREF: 087596520
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorLAPORTE FAURET, Quentin
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorMARIEU, Vincent
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorMICHALET, Richard
dc.contributor.authorROSEBERY, David
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorBUJAN, Stephane
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorLUBAC, Bertrand
hal.structure.identifierInstitut de neurosciences cognitives de la méditerranée - UMR 6193 [INCM]
dc.contributor.authorBERNARD, Jean-Baptiste
hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorVALANCE, Alexandre
hal.structure.identifierLaboratoire de Génie Civil et Génie Mécanique [LGCGM]
dc.contributor.authorDUPONT, Patrick
hal.structure.identifierLaboratoire de Thermique et d’Energie de Nantes [LTeN]
dc.contributor.authorOULD EL MOCTAR, Ahmed
hal.structure.identifierInstitut de Physique du Globe de Paris [IPGP]
dc.contributor.authorNARTEAU, Clement
dc.date.accessioned2024-01-30T08:17:56Z
dc.date.available2024-01-30T08:17:56Z
dc.date.issued2019-11-28
dc.identifier.issn2073-4441en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/187618
dc.description.abstractEnThis paper describes a large-scale experiment designed to examine if reinstating natural processes in the coastal dune systems of Southwest France can be a relevant nature-based adaptation in chronically eroding sectors and a nature-based solution against coastal hazards, by maintaining the coastal dune ecological corridor. An experiment started in late 2017 on a 4-km-long stretch of coast at Truc Vert, where experimental notches were excavated and intensively monitored in the incipient and established foredunes. Preliminary results indicate that most of the excavated notches did not develop into blowout. Only the larger elongated notches subsequently excavated in the established foredune in 2018 showed evidence of development, acting as an effective conduit for aeolian landward transport into the dunes. All notches were found to have a statistically significant impact on vegetation dynamics downwind, even those that did not develop. The area of bare sand landward and within the elongated notches notably increased implying a loss of vegetation cover during this first stage of development. Observations of a nearby coastal dune system that has been in free evolution over the last 40 years also indicate that, although the dune migrated inland by more than 100 m, it is now mostly made of bare sand. Further work is required to explore if and how dunes maintained as dynamic systems can become an efficient nature-based solution along this eroding coastline.
dc.description.sponsorshipMarier les objectifs de défense côtière avec ceux de la protection du milieu naturel grâce aux dunes sableuses - ANR-17-CE01-0014en_US
dc.language.isoENen_US
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.subject.encoastal management
dc.subject.ennature based solution
dc.subject.enresilience
dc.subject.envegetation dynamics
dc.subject.enphotogrammetry
dc.subject.enblowouts
dc.subject.encoastal dunes
dc.subject.enerosion
dc.title.enNature-Based Solution along High-Energy Eroding Sandy Coasts: Preliminary Tests on the Reinstatement of Natural Dynamics in Reprofiled Coastal Dunes
dc.typeArticle de revueen_US
dc.identifier.doi10.3390/w11122518en_US
dc.subject.halPlanète et Univers [physics]/Sciences de la Terre/Océanographieen_US
dc.subject.halSciences du Vivant [q-bio]/Ecologie, Environnement/Ecosystèmesen_US
bordeaux.journalWateren_US
bordeaux.page2518en_US
bordeaux.volume11en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issue12en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamMETHYSen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcehal
hal.identifierhal-02385611
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=Water&rft.date=2019-11-28&rft.volume=11&rft.issue=12&rft.spage=2518&rft.epage=2518&rft.eissn=2073-4441&rft.issn=2073-4441&rft.au=CASTELLE,%20Bruno&LAPORTE%20FAURET,%20Quentin&MARIEU,%20Vincent&MICHALET,%20Richard&ROSEBERY,%20David&rft.genre=article


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