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Wind-driven modifications to the residual circulation in an ebb-tidal delta: Arcachon Lagoon, Southwestern France

dc.rights.licenseopenen_US
dc.contributor.authorSALLES, Paulo
dc.contributor.authorVALLE‐LEVINSON, Arnoldo
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorSOTTOLICHIO, Aldo
IDREF: 158099699
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorSENECHAL, Nadia
IDREF: 077248430
dc.date.accessioned2024-06-07T12:09:48Z
dc.date.available2024-06-07T12:09:48Z
dc.date.issued2015-02-01
dc.identifier.issn2169-9275en_US
dc.identifier.urihttps://www.researchgate.net/publication/270598241_Wind-driven_modifications_to_the_residual_circulation_in_an_ebb-tidal_delta_Arcachon_Lagoon_Southwestern_France
dc.identifier.urioai:crossref.org:10.1002/2014jc010311
dc.identifier.urioai:researchgate.net:270598241
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/200337
dc.description.abstractEnA combination of observations and analytical solutions were used to determine the modifications caused by wind forcing on the residual or non-tidal circulation in an ebb-tidal delta. Observations were obtained in the lower Arcachon Lagoon, southwestern France. The basic non-tidal circulation was established with acoustic Doppler current profilers (ADCPs) that were i) moored in the delta's two deepest channels, and ii) towed along a cross-lagoon transect. The bathymetry of the lower lagoon, or ebb-tidal delta, featured two channels: North Pass (>9 m) and South Pass (>20 m). The basic non-tidal circulation consisted of mostly inflow with weak surface outflow in the South Pass, and laterally sheared bidirectional flow, dominated by outflow, in the North Pass. Analytical solutions and comparison of observed dynamical terms suggested that, in addition to the conventionally accepted influence of tidal nonlinearities, density gradients contributed to the basic non-tidal circulation in the lagoon. Observations also indicated that wind forcing altered the basic circulation by driving simultaneous upwind flows in both passes. This response was supported by an analytical solution to wind-driven flows over the bathymetry of the transect sampled. The response to seaward winds was to enhance inflow in South Pass and reduce outflow in North Pass. Landward winds caused diminished inflow in South Pass and increased outflow in North Pass. This article is protected by copyright. All rights reserved.
dc.language.isoENen_US
dc.sourcecrossref
dc.sourceresearchgate
dc.title.enWind-driven modifications to the residual circulation in an ebb-tidal delta: Arcachon Lagoon, Southwestern France
dc.typeArticle de revueen_US
dc.identifier.doi10.1002/2014jc010311en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalJournal of Geophysical Research. Oceansen_US
bordeaux.page728-740en_US
bordeaux.volume120en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issue2en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamMETHYSen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.identifierhal-04604831
hal.version1
hal.date.transferred2024-06-07T12:09:50Z
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%20Geophysical%20Research.%20Oceans&rft.date=2015-02-01&rft.volume=120&rft.issue=2&rft.spage=728-740&rft.epage=728-740&rft.eissn=2169-9275&rft.issn=2169-9275&rft.au=SALLES,%20Paulo&VALLE%E2%80%90LEVINSON,%20Arnoldo&SOTTOLICHIO,%20Aldo&SENECHAL,%20Nadia&rft.genre=article


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