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The mediterranean overflow in the Gulf of Cadiz: a rugged journey

2017-11Journal article Open access
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dc.contributor.authorSanchez-Leal, Ricardo F.
dc.contributor.authorJesus Bellanco, Maria
dc.contributor.authorMiguel Fernandez-Salas, Luis
dc.contributor.authorGarcia-Lafuente, Jesus
dc.contributor.authorGasser-Rubinat, Marc
dc.contributor.authorGonzalez-Pola, Cesar
dc.contributor.authorHernandez-Molina, Francisco J.
dc.contributor.authorPelegri, Josep L.
dc.contributor.authorPeliz, Alvaro
dc.contributor.authorRelvas, Paulo
dc.contributor.authorRoque, David
dc.contributor.authorRuiz-Villarreal, Manuel
dc.contributor.authorSammartino, Simone
dc.contributor.authorCarlos Sanchez-Garrido, Jose
dc.date.accessioned2018-12-07T14:57:55Z
dc.date.available2018-12-07T14:57:55Z
dc.date.issued2017-11
dc.description.abstractThe pathways and transformations of dense water overflows, which depend on small-scale interactions between flow dynamics and erosional-depositional processes, are a central piece in the ocean's large-scale circulation. A novel, high-resolution current and hydrographic data set highlights the intricate pathway travelled by the saline Mediterranean Overflow as it enters the Atlantic. Interaction with the topography constraints its spreading. Over the initial 200 km west of the Gibraltar gateway, distinct channels separate the initial gravity current into several plunging branches depth-sorted by density. Shallow branches follow the upper slope and eventually detach as buoyant plumes. Deeper branches occupy mid slope channels and coalesce upon reaching a diapiric ridge. A still deeper branch, guided by a lower channel wall marked by transverse furrows, experiences small-scale overflows which travel downslope to settle at mid-depths. The Mediterranean salt flux into the Atlantic has implications for the buoyancy balance in the North Atlantic. Observations on how this flux enters at different depth levels are key to accurately measuring and understanding the role of Mediterranean Outflow in future climate scenarios.
dc.description.sponsorshipproject INGRES3 [CTM2010-21229]; project STOCA (IEO); project PESCADIZ (IEO); project INDEMARES [LIFE07 NAT/E/000732+]; project MOC2 [CTM2008-06438-C02-01]; project MED-OUTFLOW [CTM2008-03422-E/MAR, CTM2010-11488-E]; project PELCOSAT (IEO); project SEMANE; project DILEMA [CTM2014-59244-C3-2-R]; project INPULSE [CTM2016-75129-C3-1-R]; SISMER data center; PANGEA data center; IEO data center; ICES data center; BODC data center; NOAA data center; CONTOURIBER project [CTM2008-06399-C04-01/MAR]
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1126/sciadv.aao0609
dc.identifier.issn2375-2548
dc.identifier.urihttp://hdl.handle.net/10400.1/11763
dc.language.isoeng
dc.peerreviewedyes
dc.publisherAmerican Association for the Advancement of Science
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectNorth-Atlantic
dc.subjectOutflow
dc.subjectGibraltar
dc.subjectStrait
dc.subjectOcean
dc.subjectWater
dc.subjectChannel
dc.subjectVariability
dc.subjectVelocity
dc.subjectCurrents
dc.titleThe mediterranean overflow in the Gulf of Cadiz: a rugged journey
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue11
oaire.citation.startPageeaao0609
oaire.citation.titleScience Advances
oaire.citation.volume3
person.familyNameRelvas
person.givenNamePaulo
person.identifier.ciencia-id2412-1F65-A044
person.identifier.orcid0000-0002-6404-5895
person.identifier.ridB-1257-2008
person.identifier.scopus-author-id6505976206
rcaap.rightsopenAccess
rcaap.typearticle
relation.isAuthorOfPublication94f4d10b-242d-4560-b716-6375f1a01eac
relation.isAuthorOfPublication.latestForDiscovery94f4d10b-242d-4560-b716-6375f1a01eac

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