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Evaluating the role of physical mechanisms as possible triggers for turbidity currents in a deep ocean seamount

2025-10Journal article Open access
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datacite.subject.fosCiências Naturais::Ciências da Terra e do Ambiente
datacite.subject.sdg14:Proteger a Vida Marinha
dc.contributor.authorLebreiro, Susana M.
dc.contributor.authorPeliz, Álvaro
dc.contributor.authorAntón, Laura
dc.contributor.authorNave, Silvia
dc.contributor.authorReguera, M. Isabel
dc.contributor.authorLozano-Luz, Rocío
dc.contributor.authorWaelbroeck, Claire
dc.contributor.authorCrowhurst, Simon
dc.contributor.authorMartrat, Belen
dc.contributor.authorLopez, Jordi F.
dc.contributor.authorHebert, Raphael
dc.contributor.authorLopez-Rodriguez, Alejandra
dc.date.accessioned2025-09-10T15:51:05Z
dc.date.available2025-09-10T15:51:05Z
dc.date.issued2025-10
dc.description.abstractABSTRACT: Turbidity currents on continental margins are often attributed to cyclic climate variability and sea-level change, while the causes of deep ocean turbidites are as yet to be tested. The Atlantic Iberian margin provides a unique setting to contrast deep ocean and continental environments, including depression features that further protect from resuspension and erosion by along-slope bottom currents. We present records of low-frequency, non-periodic, climate-independent turbidites from three deep cores covering up to 426,000 years in the Tore seamounts area. By evaluating a range of physical oceanographic mechanisms, the breaking of internal waves and mesoscale Mediterranean-eddies against unstable slopes in the seamounts area arises as the most likely triggers that precondition the recurrence pattern of the observed deep ocean turbidites.eng
dc.identifier.citationLebreiro, S.M., Peliz, A., Anton, L., Nave, S., Reguera, M.I., Lozano-Luz, R., Waelbroeck, C., Crowhurst, S., Martrat, B., Lopez, J.F., Hebert, R. & Lopez-Rodriguez, A. (2025). Evaluating the role of physical mechanisms as possible triggers for turbidity currents in a deep ocean seamount. In: Deep Sea Research Part I: Oceanographic Research Papers, 2025, vol. 224, article 104557. https://doi.org/10.1016/j.dsr.2025.104557
dc.identifier.doi10.1016/j.dsr.2025.104557
dc.identifier.eissn1879-0119
dc.identifier.issn0967-0637
dc.identifier.urihttp://hdl.handle.net/10400.9/6049
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relation.hasversionhttps://www.sciencedirect.com/science/article/pii/S0967063725001153?via%3Dihub
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectOceanography
dc.subjectInternal Waves
dc.subjectSea level
dc.subjectCirculation
dc.subjectDeep ocean
dc.subjectTopography
dc.titleEvaluating the role of physical mechanisms as possible triggers for turbidity currents in a deep ocean seamounteng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleDeep Sea Research Part I: Oceanographic Research Papers
oaire.citation.volume224
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameLebreiro
person.familyNameNave
person.givenNameSusana M.
person.givenNameSilvia
person.identifier.orcid0000-0003-1478-2448
person.identifier.orcid0000-0003-0845-1044
relation.isAuthorOfPublicationd50db295-e28e-4af2-940e-e5b78b9e5b40
relation.isAuthorOfPublication2aa72e5b-4ff0-4a16-ab0c-339d326967eb
relation.isAuthorOfPublication.latestForDiscoveryd50db295-e28e-4af2-940e-e5b78b9e5b40

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