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http://hdl.handle.net/10261/152732
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dc.contributor.author | Caballero, Ainhoa | - |
dc.contributor.author | Rubio, Ana M. | - |
dc.contributor.author | Ruiz, Simón | - |
dc.contributor.author | Le Cann, Bernard | - |
dc.contributor.author | Testor, Pierre | - |
dc.contributor.author | Mader, Julien | - |
dc.contributor.author | Hernández, Carlos A. | - |
dc.date.accessioned | 2017-07-13T12:00:16Z | - |
dc.date.available | 2017-07-13T12:00:16Z | - |
dc.date.issued | 2016-10 | - |
dc.identifier | doi: 10.1016/j.jmarsys.2016.04.001 | - |
dc.identifier | issn: 0924-7963 | - |
dc.identifier.citation | Journal of Marine Systems 162: 57-72 (2016) | - |
dc.identifier.uri | http://hdl.handle.net/10261/152732 | - |
dc.description.abstract | The analysis of deep-water glider hydrographic and fluorescence data, together with satellite measurements provides a new insight into eddy-induced anomalies within the South-Eastern Bay of Biscay, during summer. Two cyclonic eddies and a SWODDY have been observed in different glider transects and by means of different sources of satellite data. Vertical profiles reveal complex structures (characteristic of the second baroclinic mode): upward/downward displacement of the seasonal/permanent thermocline in the case of X13 and the opposite thermocline displacements in the case of the cyclones. This is a typical behaviour of mode-water and “cyclonic thinny” eddies. A qualitative analysis of the vertical velocities in the anticyclone indicates that though geostrophy dominates the main water column, depressing the isopycnals, near the sea-surface the eddy-wind interaction affects the vertical currents, favouring Ekman pumping and upwelling. The analysis of the Θ-S properties corroborates that inside cyclones and between the 26 and 27 isopycnals, net downwelling occurs. These two types of intra-thermocline lenses appear to deeply impact the Chl-a fluorescence profiles, since the maximum Chl-a fluorescence is located just below the seasonal thermocline. The mean Chl-a fluorescence was higher in the anticyclone than within the cyclones and the mean for the entire study period; the highest values were observed in the centre of the anticyclone. These results are in agreement with previous findings concerning the SWODDY F90 and surrounding cyclones, located in the South-Western Bay of Biscay. Significant differences in the Θ-S properties of the two cyclonic mesoscale structures have been observed: higher temperatures and lower salinity in the easternmost cyclone. Finally, time variation of the salinity content of the shallowest water masses of the anticyclone (salinity decreasing over time), probably indicates advective mixing processes occurred during the mission. | - |
dc.description.sponsorship | The work was supported by the JERICO project (2011-2015) from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement no. 262584. This study has been also undertaken with the financial support of the Spanish Ministry of Economy and Competitiveness (National Plan for Scientific and Technical Research and Innovation, CTM2013-45423-R project) and the Department of Environment, Regional Planning, Agriculture and Fisheries of the Basque Government (Marco Program). The glider was provided and piloted by the INSU-CNRS; the mission was carried out with the inestimable help of Laurent Beguery in piloting the glider and advising us in the design of the mission. Support from the EGO COST ActionES0904 and the FP7 GROOM project (Grant agreement no. 284321) is acknowledged. | - |
dc.publisher | Elsevier | - |
dc.relation | info:eu-repo/grantAgreement/EC/FP7/284321 | - |
dc.relation | info:eu-repo/grantAgreement/EC/FP7/262584 | - |
dc.relation.isversionof | Postprint | - |
dc.rights | closedAccess | - |
dc.subject | Eddy-wind | - |
dc.subject | Mesoscale | - |
dc.subject | Hydrography | - |
dc.subject | Glider | - |
dc.subject | Eddies | - |
dc.subject | Bay of Biscay | - |
dc.title | South-Eastern Bay of Biscay eddy-induced anomalies and their effect on chlorophyll distribution | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1016/j.jmarsys.2016.04.001 | - |
dc.relation.publisherversion | https://www.doi.org/10.1016/j.jmarsys.2016.04.001 | - |
dc.date.updated | 2017-07-13T12:00:16Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | Eusko Jaurlaritza | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003086 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | none | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | No Fulltext | - |
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