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Simulating the Impact of Sea-level Rise and Offshore Bathymetry on Embayment Shoreline Changes

dc.rights.licenseopenen_US
hal.structure.identifierBureau de Recherches Géologiques et Minières [BRGM]
dc.contributor.authorROBINET, Arthur
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorCASTELLE, Bruno
IDREF: 087596520
hal.structure.identifierBureau de Recherches Géologiques et Minières [BRGM]
dc.contributor.authorIDIER, Déborah
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorD'ANNA, Maurizio
hal.structure.identifierBureau de Recherches Géologiques et Minières [BRGM]
dc.contributor.authorLE COZANNET, Gonéri
dc.date.accessioned2024-04-03T13:50:27Z
dc.date.available2024-04-03T13:50:27Z
dc.date.issued2020
dc.identifier.issn0749-0208en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/189167
dc.description.abstractEnLX-Shore is a reduced-complexity shoreline change model driven by cross-shore and longshore processes which can account for man-made or natural non-erodible areas such as groynes and headlands. Here we describe and further test the implementation of two recent developments allowing to account for (i) real and non-erodible offshore bathymetric features such as rocky outcrops and canyons affecting offshore wave transformation and, in turn, shoreline variability and (ii) shoreline retreat due sea-level rise. After a description of the numerical developments, the benefits of these new developments are demonstrated with the application of LX-Shore to an idealized embayed beach exposed to real wave climate during a 10-yr period. Three simulations are conducted to test the impact of an outcrop in the middle of the embayment and of a gradual 1-m sea-level rise on shoreline spatial and temporal modes of variability. Results show that the equilibrium planview shoreline and the shoreline variability are strongly impacted by only slightly modifying the bathymetry and varying the mean sea level. These results show the potential of LX-Shore to better understand and further predict shoreline change along real coasts exhibiting mixed (sandy/rocky) and complex seabed morphologies and undergoing sea-level rise.
dc.language.isoENen_US
dc.subject.enShoreline model
dc.subject.ensediment transport
dc.subject.enbathymetry
dc.subject.enwaves
dc.subject.ensea-level rise
dc.title.enSimulating the Impact of Sea-level Rise and Offshore Bathymetry on Embayment Shoreline Changes
dc.typeArticle de revueen_US
dc.identifier.doi10.2112/SI95-244.1en_US
dc.subject.halPlanète et Univers [physics]/Océan, Atmosphèreen_US
dc.subject.halPlanète et Univers [physics]/Interfaces continentales, environnementen_US
dc.subject.halPlanète et Univers [physics]/Sciences de la Terre/Géomorphologieen_US
dc.subject.halPlanète et Univers [physics]/Sciences de la Terre/Océanographieen_US
bordeaux.journalJournal of Coastal Researchen_US
bordeaux.page1263-1267en_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-02483552
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=2020&rft.spage=1263-1267&rft.epage=1263-1267&rft.eissn=0749-0208&rft.issn=0749-0208&rft.au=ROBINET,%20Arthur&CASTELLE,%20Bruno&IDIER,%20D%C3%A9borah&D'ANNA,%20Maurizio&LE%20COZANNET,%20Gon%C3%A9ri&rft.genre=article


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