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dc.contributor.authorCaballero, Ainhoa
dc.contributor.authorFerrer, Luis
dc.contributor.authorRubio, Anna
dc.contributor.authorCharria, Guillaume
dc.contributor.authorTaylor, Benjamin H.
dc.contributor.authorGrima, Nicolas
dc.date.accessioned2017-10-23T11:15:28Z-
dc.date.available2017-10-23T11:15:28Z-
dc.date.issued2014
dc.identifierISI:000343345300003
dc.identifier.citationDEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY, 2014, 106, 23-37
dc.identifier.issn0967-0645
dc.identifier.urihttp://dspace.azti.es/handle/24689/333-
dc.description.abstractThe presence of a quasi-stationary anticyclonic eddy within the southeastern Bay of Biscay (centred around 44 degrees 30'N-4 degrees W) has been reported on various occasions in the bibliography. The analysis made in this study for the period 2003-2010, by using in situ and remote sensing measurements and model results shows that this mesoscale coherent structure is present almost every year from the end of winter-beginning of spring, to the beginning of fall. During this period it remains in an area limited to the east by the Landes Plateau, to the west by Le Danois Bank and Torrelavega canyon and to the northwest by the Jovellanos seamount. All the observations and analysis made in this contribution, suggest that this structure is generated between Capbreton and Torrelavega canyons. Detailed monitoring from in situ and remote sensing data of an anticyclonic quasi-stationary eddy, in 2008, shows the origin of this structure from a warm water current located around 43 degrees 42'N-3 degrees 30'W in mid-January. This coherent structure is monitored until August around the same area, where it has a marked influence on the Sea Level Anomaly, Sea Surface Temperature and surface Chlorophyll-a concentration. An eddy tracking method, applied to the outputs of a numerical model, shows that the model is able to reproduce this type of eddy, with similar 2D characteristics and lifetimes to that suggested by the observations and previous works. This is the case, for instance, of the simulated MAY04 eddy, which was generated in May 2004 around Torrelavega canyon and remained quasi-stationary in the area for 4 months. The diameter of this eddy ranged from 40 to 60 km, its azimuthal velocity was less than 20 cm s(-1), its vertical extension reached 3000-3500 m depth during April and May and it was observed to interact with other coherent structures. (C) 2013 Elsevier Ltd. All rights reserved.
dc.description.sponsorshipThis study has been undertaken with the financial support of the Spanish Ministry of Science and Innovation (National R\&D\&I Plan, ESTIBB CTM 2009-12339 project) and the Department of Environment, Regional Planning, Agriculture and Fisheries of the Basque Government (Marco Program). The work of A. Rubio was partially supported by a Torres Quevedo Grant (Spanish Ministry of Science and Innovation, PTQ-08-03-08447). The application of the wavelets-based eddy detection utility in the Bay of Biscay has been done in the framework of the French WASSCO project: ``Application de Suivi de Structures Coherentes 3D dans des modeles de circulation oceanique haute resolution MERCATOR et comparaison avec des donnees altimetriques�� (GMMC MERCATOR program). We would like to thank all data providers in their effort to distribute oceanographic information: (i) NCEP reanalysis data provided by the NOAA/OAR/ESRL PSD, Boulder, Colorado, USA (http://www.esrl.noaa.gov/psd/); (ii) Consortium for Estimating the Circulation and Climate of the Ocean (ECCO) funded by the National Oceanographic Partnership Program; (iii) Altimeter products produced by Ssalto/Duacs and distributed by Aviso, with support from Cnes (http://www.aviso.oceanobs.com/duacs/); (iv) SST and Chl-a data produced and distributed by NERC Earth Observation Data Acquisition and Analysis Service (NEODAAS, http://www.neodaas.ac.uk/data/); (v) Augusto Gonzalez de Linares (AGL) Moored buoy data, provided by the Instituto Espanol de Oceanografia (I.E.O.) (www.boya\_agl.st.ieo.es/); and (vi) Matxitxako buoy data belonging to Meteorology and Emergencies Directorate of the Basque Government. We would also like to thank Bernard Le Cann for his constructive observations, and Alicia Lavin and Daniel Cano for facilitating our use of data from the AGL buoy. This is contribution number 604, of the Marine Research Division of AZTI-Tecnalia.
dc.language.isoeng
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD
dc.subjectBay of Biscay
dc.subjectEddies
dc.subjectSWODDIES
dc.subjectTopographic effects
dc.subjectVortex
dc.subjectMesoscale
dc.subjectAltimetry
dc.subjectSatellite oceanography
dc.subjectDrifters
dc.subjectROMS
dc.subjectCALIFORNIA CURRENT SYSTEM
dc.subjectSOUTHERN BAY
dc.subjectATLANTIC-OCEAN
dc.subjectENGRAULIS-ENCRASICOLUS
dc.subjectMESOSCALE EDDIES
dc.subjectPOLEWARD CURRENT
dc.subjectNORTH-ATLANTIC
dc.subjectALTIMETER DATA
dc.subjectRECRUITMENT
dc.subjectGENERATION
dc.titleMonitoring of a quasi-stationary eddy in the Bay of Biscay by means of satellite, in situ and model results
dc.typeArticle
dc.identifier.journalDEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY
dc.format.page23-37
dc.format.volume106
dc.contributor.funderSpanish Ministry of Science and Innovation (National R\&DI Plan, ESTIBB) [CTM 2009-12339]
dc.contributor.funderDepartment of Environment, Regional Planning, Agriculture and Fisheries of the Basque Government (Marco Program)
dc.contributor.funderTorres Quevedo Grant (Spanish Ministry of Science and Innovation) [PTQ-08-03-08447]
dc.contributor.funderNational Oceanographic Partnership Program
dc.contributor.funderCnes
dc.identifier.e-issn1879-0100
dc.identifier.doi10.1016/j.dsr2.2013.09.029
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