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dc.contributor.authorMartínez-Pérez, A.M. (Alba María)
dc.contributor.authorOsterholz, H. (Helena)
dc.contributor.authorNieto-Cid, M. (Mar)
dc.contributor.authorÁlvarez, M. (Marta) 
dc.contributor.authorDittmar, T. (Thorsten)
dc.contributor.authorÁlvarez-Salgado, X. A. (Xosé Antón)
dc.coverage.temporalSpring 2014es_ES
dc.date.accessioned2017-09-29T10:46:09Z
dc.date.available2019-01-23T03:45:11Z
dc.date.issued2017
dc.identifier.issn0024-3590*
dc.identifier.urihttp://hdl.handle.net/10508/11337
dc.descriptionArticlees_ES
dc.description.abstractThe molecular composition of marine dissolved organic matter (DOM) is still poorly understood, particularly in the Mediterranean Sea. In this work, DOM from the open Mediterranean Sea and the adjacent Northeast Atlantic Ocean was isolated by solid-phase extraction (SPE-DOM) and molecularly characterized using Fourier-transform ion cyclotron resonance mass spectrometry. We assessed the gradual reworking of the SPE-DOM transported by the shalloww overturning circulation of the Mediterranean Sea by following the increase in molecular weight (+20 Da), oxigenation (+5%), degradation index (Ideg +22%), and the proportional decrease of unsaturated aliphatic compounds (+34%) along the Levantine Intermediate Water. This reworked SPE-DOM that leaves the Mediterranean Sea through the Strait of Gibraltar strongly contrasts with the fresh material transported by the inflow of Atlantic water (Ideg -25%). In the deep eastern and western overturning cells, the molecular composition of the deep waters varied according to their area and/or time of formation. SPE-DOM of the waters formed in the Aegean Sea during the Earstern Mediterranean Transient (EMT) was more processed that the DOM in pre-EMT waters formed in the Adriatic Sea (molecular weight and the proportion of unsaturated aliphatic compounds were increased by 5 Da and 9%, respectively). Furthermore, pre-EMT waters contain more reworked SPE-DOM (Ideg +7%) than post-EMT waters formed also in the Adriatic Sea. In summary, our study shows that the Mediterranean Sea constitutes a laboratory basin where degradation processes and diagenetic transformations of DOM can be observed on close spatial and temporal scales.es_ES
dc.language.isoenges_ES
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subjectmolecular compositiones_ES
dc.subjectDOMes_ES
dc.subjectMediterranean Seaes_ES
dc.subjectsolid-phase extractiones_ES
dc.subjectmass spectrometryes_ES
dc.titleMolecular composition of dissolved organic matter in the Mediterranean Seaes_ES
dc.typearticlees_ES
dc.identifier.bibliographicCitationLimnology and Oceanography, 00. 2017: 00-00*
dc.description.versionEn prensaes_ES
dc.relation.publisherversionhttp://aslopubs.onlinelibrary.wiley.com/hub/journal/10.1002/(ISSN)1939-5590/issues/es_ES
dc.date.embargoEndDate2018-11-30es_ES
dc.publisher.centreCentro Oceanográfico de A Coruñaes_ES
dc.relation.projectIDHOTMIXes_ES
dc.rights.accessRightsopenAccesses_ES
dc.description.impact3,385*
dc.identifier.doi10.1002/lno.10600
dc.subject.asfageochemistry es_ES
dc.subject.asfamarine environment es_ES
dc.subject.asfadissolved organic matter es_ES
dc.subject.asfaorganic matter es_ES
dc.subject.asfachemistry es_ES
dc.subject.asfaChemical extraction es_ES
dc.subject.asfaDeep sea es_ES
dc.subject.asfaMass spectroscopy es_ES


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