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Coastal Dune Morphology Evolution Combining Lidar and UAV Surveys, Truc Vert beach 2011-2019

dc.rights.licenseopenen_US
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorLAPORTE FAURET, Quentin
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
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorMICHALET, Richard
dc.contributor.authorROSEBERY, David
dc.date.accessioned2024-04-03T09:04:11Z
dc.date.available2024-04-03T09:04:11Z
dc.date.issued2020-05-26
dc.identifier.issn0749-0208en_US
dc.identifier.urioai:crossref.org:10.2112/si95-032.1
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/189152
dc.description.abstractEnIn the context of climate change, coastal dunes, which provide significant ecosystem services, are one of the most vulnerable coastal environments. Moreover, the lack of high resolution and large spatial scale data limits our understanding of coastal dunes, which are subject to important morphological variations over a wide range of spatial and temporal scales. This study is focused on combining non-intrusive remote sensing methods including a series of historical aerial photographs, airborne Lidar and UAV surveys in order to better understand the coastal dune morphodynamic on a wide range of spatial and temporal scales. On the time scale of decades, aerial photos indicate a reasonably stable coastal dune position, with large anthropogenic reprofiling and vegetation planting resulting in a reasonably alongshore-uniform morphology. On shorter time scales, the combination of Lidar and UAV 4-km surveys between 2011 and 2019 shows a quasi-steady dune volume increase by approximately 64 m3/m, associated with a foredune crest growth and a landward migration reaching 1.1 m and 0.54 m in average, respectively. On the other hand, the dune foot shows a more complex dynamics, dominated by a large landward migration (shoreline erosion) of approximately 20 m during the outstanding winter of 2013/2014 followed by a slow seaward migration (recovery). This study provides new insight into coastal dune morphological changes driven by both Aeolian and marine processes from the time scale of storm to approximately a decade, highlighting the relevance of UAV surveys for such applications.
dc.language.isoENen_US
dc.sourcecrossref
dc.title.enCoastal Dune Morphology Evolution Combining Lidar and UAV Surveys, Truc Vert beach 2011-2019
dc.typeArticle de revueen_US
dc.identifier.doi10.2112/si95-032.1en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalJournal of Coastal Researchen_US
bordeaux.page163en_US
bordeaux.volume95en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issuesp1en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamMETHYSen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.identifierhal-04530494
hal.version1
hal.date.transferred2024-04-03T09:04:13Z
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exporttrue
workflow.import.sourcedissemin
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=2020-05-26&rft.volume=95&rft.issue=sp1&rft.spage=163&rft.epage=163&rft.eissn=0749-0208&rft.issn=0749-0208&rft.au=LAPORTE%20FAURET,%20Quentin&CASTELLE,%20Bruno&MARIEU,%20Vincent&BUJAN,%20Stephane&MICHALET,%20Richard&rft.genre=article


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