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dc.contributor.authorCerralbo Peñarroya, Pablo
dc.contributor.authorEspino Infantes, Manuel
dc.contributor.authorGrifoll Colls, Manel
dc.contributor.authorValleLevinson, Arnoldo
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.identifier.citationCerralbo, P., Espino, M., Grifoll, M., ValleLevinson, A. Subtidal circulation in a microtidal Mediterranean bay. "Scientia marina", Desembre 2018, vol. 82, núm. 4, p. 231-243.
dc.description.abstractWe examine the role of different forcings on the subtidal circulation in a microtidal bay with freshwater inputs in the NW Mediterranean Sea: Alfacs Bay. Observations of subtidal flow in summer 2013 and winter 2014 reveal a two-layered, vertically sheared circulation. During the summer, there is a significant positive correlation between surface currents and winds along the main axis of the bay, while a negative correlation is observed between wind and the bottom layers. During the winter, the cross-shore response is correlated with the most energetic winds, showing a two-layered vertical structure inside the bay and a nearly depth-independent water motion caused by high wind speeds at the bay mouth. The vertical structure of the velocities, as determined through empirical orthogonal function analysis, confirms that surface layers are affected by winds and bottom currents correlated negatively with winds as a response of the wind set-up. Seasonal mean circulation reveals gravitational exchange at the bay mouth during the summer. However, mean circulation is unclear in the inner bay and close to the drainage channels. Observed flow patterns are supported by modelling results that confirm the persistence of averaged current in the low-frequency dynamics. Re-circulation areas in the inner bay indicate the rich spatial variability in flow at low-frequency time scales.
dc.format.extent13 p.
dc.rightsAttribution 3.0 Spain
dc.subjectÀrees temàtiques de la UPC::Enginyeria civil::Enginyeria hidràulica, marítima i sanitària::Ports i costes
dc.subject.lcshTides--Mathematical models
dc.subject.otherSubtidal circulation
dc.subject.otherMicrotidal bay
dc.subject.otherNumerical model
dc.subject.otherGravitational circulation
dc.titleSubtidal circulation in a microtidal Mediterranean bay
dc.subject.lemacMarees -- Mediterrània, Mar
dc.subject.lemacMarees -- Models matemàtics
dc.contributor.groupUniversitat Politècnica de Catalunya. LIM/UPC - Laboratori d'Enginyeria Marítima
dc.contributor.groupUniversitat Politècnica de Catalunya. BIT - Barcelona Innovative Transportation
dc.description.peerreviewedPeer Reviewed
dc.rights.accessOpen Access
dc.description.versionPostprint (published version)
upcommons.citation.authorCerralbo, P.; Espino, M.; Grifoll, M.; ValleLevinson, A.
upcommons.citation.publicationNameScientia marina

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Except where otherwise noted, content on this work is licensed under a Creative Commons license: Attribution 3.0 Spain