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Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/134975
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dc.contributor.authorDaniault, Nathaliees_ES
dc.contributor.authorPérez, Fiz F.es_ES
dc.contributor.authorRíos, Aida F.es_ES
dc.contributor.authorGladyshev, Sergeyes_ES
dc.date.accessioned2016-07-22T08:41:23Z-
dc.date.available2016-07-22T08:41:23Z-
dc.date.issued2016-
dc.identifier.citationProgress in Oceanography 146: 142-158 (2016)es_ES
dc.identifier.issn0079-6611-
dc.identifier.urihttp://hdl.handle.net/10261/134975-
dc.description17 páginas, 9 figuras, 3 tablas.-- Nathalie Daniault ... et al.-- Proyecto Carbochangees_ES
dc.description.abstractThe decadal mean circulation in the northern North Atlantic was assessed for the early 21st century from repeated ship-based measurements along the Greenland-Portugal OVIDE line, from satellite altimetry and from earlier reported transports across 59.5°N and at the Greenland-Scotland sills. The remarkable quantitative agreement between all data sets allowed us to draw circulation pathways with a high level of confidence. The North Atlantic Current (NAC) system is composed of three main branches, referred to as the northern, central and southern branches, which were traced from the Mid-Atlantic Ridge (MAR), to the Irminger Sea, the Greenland-Scotland Ridge and the subtropical gyre. At OVIDE, the northern and central branches of the NAC fill the whole water column and their top-to-bottom integrated transports were estimated at 11.0 ± 3 Sv and 14.2 ± 6.4 Sv (1 Sv = 106 m3 s−1), respectively. Those two branches feed the cyclonic circulation in the Iceland Basin and the flow over the Reykjanes Ridge into the Irminger Sea. This cross-ridge flow was estimated at 11.3 ± 4.2 Sv westward, north of 58.5°N. The southern NAC branch is strongly surface-intensified and most of its top-to-bottom integrated transport, estimated at 16.6 ± 2 Sv, is found in the upper layer. It is composed of two parts: the northern part contributes to the flow over the Rockall Plateau and through the Rockall Trough toward the Iceland-Scotland Ridge; the southern part feeds the anticyclonic circulation toward the subtropical gyre. Summing over the three NAC branches, the top-to-bottom transport of the NAC across OVIDE was estimated at 41.8 ± 3.7 Sv. Because of the surface-intensification of the southern NAC branch, the intermediate water is transported to the northeast Atlantic mostly by the northern and central branches of the NAC (11.9 ± 1.8 Sv eastward). This water circulates cyclonically in the Iceland Basin and anticyclonically in the West European Basin, with similar transport intensities. In the deep layer of the Iceland Basin, Iceland-Scotland Overflow Water (ISOW) spreads southwestward along three pathways on the eastern flank of the Reykjanes Ridge. The associated transport was estimated at 3.2 ± 0.4 Sv. The two shallowest pathways turn around the Reykjanes Ridge toward the Irminger Sea where they head northward. A northeastward transport of deep water is observed in the deep extension of the northern and central branches of the NAC, east of the MAR. In the Irminger Sea our transport estimates for the Irminger Current, Irminger Gyre, East Greenland Irminger Current and Deep Western Boundary Current are in line with previous workes_ES
dc.description.sponsorshipThis research was supported by CNRS, by IFREMER, the French national program LEFE coordinated by INSU, the EU FP7 project CARBOCHANGE ‘‘Changes in carbon uptake and emissions by oceans in a changing climate”, which received funding from the European Commission Seventh Framework Programme under grant agreement no. 264879. This research is a contribution to the OVIDE project, OSNAP and CLIVAR. It benefited of support from the French research infrastructure TGIR flotte (RV Thalassa). Herlé 156 N. Daniault et al./Progress in Oceanography 146 (2016) 142–158 Mercier was supported by CNRS. Artem Sarafanov and Anastasia Falina were supported by the RSF Grant 14-50-00095 and the RFBR Grants 15-05-03782, 15-05-02250. A.F. Rios and F.F. Pérez were supported by the Consejo Superior de Investigaciones Científicas (CSIC) and the Spanish Ministry of Economy and Competitiveness (BES-2011-045614) through the CATARINA project (CTM2010- 17141) and BOCATS (CTM2013-41048-P) projects both cofunded by the Fondo Europeo de Desarrollo Regional (FEDER).es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relationinfo:eu-repo/grantAgreement/EC/FP7/264879es_ES
dc.relationinfo:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2013-41048-P-
dc.relation.isversionofPostprintes_ES
dc.rightsopenAccessen_EN
dc.titleThe northern North Atlantic Ocean mean circulation in the early 21st Centuryes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.pocean.2016.06.007-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.pocean.2016.06.007es_ES
dc.embargo.terms2018-08-01es_ES
dc.rights.licensehttp://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderEuropean Commissiones_ES
dc.relation.csicSíes_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.cerifentitytypePublications-
item.openairetypeartículo-
item.languageiso639-1en-
item.grantfulltextopen-
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