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UAV monitoring of 3-year Foredune Partial Recovery from a Severe Winter: Truc Vert Beach, SW France

dc.rights.licenseopenen_US
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGUILLOT, Benoit
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorCASTELLE, Bruno
IDREF: 087596520
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorMARIEU, Vincent
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorBUJAN, Stephane
dc.contributor.authorROSEBERY, David
dc.date.accessioned2024-05-03T13:18:26Z
dc.date.available2024-05-03T13:18:26Z
dc.date.issued2018-05-01
dc.identifier.issn0749-0208en_US
dc.identifier.urioai:crossref.org:10.2112/si85-056.1
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/199609
dc.description.abstractEnThe recent development of ultra-light civil UAVs and photogrammetric techniques provides new and efficient means to remotely sense the coastal topography at high spatial and temporal resolutions along spatially extensive areas. Truc Vert, SW France, is a high-energy meso-macrotidal beach backed by a preserved high and wide coastal dune system. This coastal dune system, which had been relatively stable over the last 70 years, was severely eroded during the winter of 2013/2014 with 800-m long and up to 8-m high cuspate erosion scarps. Since then, the foredune has been slowly recovering. This 3-year period was characterized, at the early stage, by the destabilisation of the scarped dune by trough blowouts, scarp slumping and filling and seasonal beach berm dynamics. The onset of foredune recovery occurred subsequently, and was characterized by the development of a dune ramp. This ramp provided efficient conduit for beach-dune delivery/exchange of sediment by the end of the study despite the high-energy winter of 2015/2016 drove localized dune erosion. The coastal dune did not fully recover with an approximately 60% average recovery within 3 years, an overall accretion due primarily to incipient foredune formation and foredune growth in height. The timing and magnitude of the incomplete recovery sequence from the UAV surveys provide an outstanding measure of coastal dune resilience to severe storms in this region of the world.
dc.language.isoENen_US
dc.sourcecrossref
dc.title.enUAV monitoring of 3-year Foredune Partial Recovery from a Severe Winter: Truc Vert Beach, SW France
dc.typeArticle de revueen_US
dc.identifier.doi10.2112/si85-056.1en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalJournal of Coastal Researchen_US
bordeaux.page276-280en_US
bordeaux.volume85en_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.sourcedissemin
hal.identifierhal-04567704
hal.version1
hal.date.transferred2024-05-03T13:18:27Z
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exporttrue
workflow.import.sourcedissemin
dc.rights.ccPas de Licence CCen_US
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