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Circulation in a tropical embayment with two inlets and complex geometry: The Itamaracá-Itapessoca system, Brazil

dc.rights.licenseopenen_US
dc.contributor.authorOLIVEIRA FILHO, José C.
dc.contributor.authorCRUZ, Guilherme O.
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorSOTTOLICHIO, Aldo
IDREF: 158099699
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorHUYBRECHTS, Nicholas
dc.contributor.authorSCHETTINI, Carlos A. F.
dc.date.accessioned2024-11-13T10:14:18Z
dc.date.available2024-11-13T10:14:18Z
dc.date.issued2024-12-01
dc.identifier.urioai:crossref.org:10.1016/j.rsma.2024.103671
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/203224
dc.description.abstractEnAlong the northeast coast of Brazil, numerous estuaries with intricate morphologies, characterized by multiple channels, islands, and intertidal areas, are found. These estuaries undergo significant seasonal variations, experiencing pronounced wet and dry periods. While some of these systems have small drainage basins with minimal freshwater inflow and sediment production, they boast extensive intertidal mangrove areas. This study focuses on assessing the hydrodynamics and residual circulation of the Itamaracá-Itapessoca Estuarine System (IIES) to elucidate the impact of residual circulation on estuary-shelf exchange dynamics. The IIES comprises two main islands and two inlets surrounded by extensive intertidal areas. Field observations collected during the wet season were used to calibrate and validate a numerical model. Two model scenarios were examined: a 'dry' scenario, considering hydrodynamics driven solely by interactions between morphology and tides, and a 'wet' scenario, incorporating freshwater inflow. Key findings include: (a) the inclusion of freshwater inflow minimally alters system dynamics; (b) tidal dynamics are amplified within the system, resulting in a null zone between the inlets; and (c) residual circulation circulates around the islands, with net importation through the larger inlet and net exportation through the smaller one. The intensity of exchange is heightened under wet conditions.
dc.language.isoENen_US
dc.sourcecrossref
dc.title.enCirculation in a tropical embayment with two inlets and complex geometry: The Itamaracá-Itapessoca system, Brazil
dc.typeArticle de revueen_US
dc.identifier.doi10.1016/j.rsma.2024.103671en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalRegional Studies in Marine Scienceen_US
bordeaux.page103671en_US
bordeaux.volume77en_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-04779809
hal.version1
hal.date.transferred2024-11-13T10:14:23Z
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=Regional%20Studies%20in%20Marine%20Science&rft.date=2024-12-01&rft.volume=77&rft.spage=103671&rft.epage=103671&rft.au=OLIVEIRA%20FILHO,%20Jos%C3%A9%20C.&CRUZ,%20Guilherme%20O.&SOTTOLICHIO,%20Aldo&HUYBRECHTS,%20Nicholas&SCHETTINI,%20Carlos%20A.%20F.&rft.genre=article


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