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dc.contributor.authorFröb, Friederikees_ES
dc.contributor.authorOlsen, Arees_ES
dc.contributor.authorPérez, Fiz F.es_ES
dc.contributor.authorGarcía-Ibáñez, Maribel I.es_ES
dc.contributor.authorJeansson, Emiles_ES
dc.contributor.authorOmar, Abdirahmanes_ES
dc.contributor.authorLauvset, Siv K.es_ES
dc.date.accessioned2018-01-03T13:18:28Z-
dc.date.available2018-01-03T13:18:28Z-
dc.date.issued2018-
dc.identifier.citationBiogeosciences 15: 51-72 (2018)es_ES
dc.identifier.issn1726-4170-
dc.identifier.urihttp://hdl.handle.net/10261/158783-
dc.description22 pages, 10 figures, 3 tables.-- This work is distributed under the Creative Commons Attribution 3.0 Licensees_ES
dc.description.abstractThe subpolar region in the North Atlantic is a ma- jor sink for anthropogenic carbon. While the storage rates show large interannual variability related to atmospheric forcing, less is known about variability in the natural dis- solved inorganic carbon (DIC) and the combined impact of variations in the two components on the total DIC in- ventories. Here, data from 15 cruises in the Irminger Sea covering the 24-year period between 1991 and 2015 were used to determine changes in total DIC and its natural and anthropogenic components. Based on the results of an ex- tended optimum multiparameter analysis (eOMP), the in- ventory changes are discussed in relation to the distribu- tion and evolution of the main water masses. The inventory of DIC increased by 1.43 ± 0.17 mol m − 2 yr − 1 over the pe- riod, mainly driven by the increase in anthropogenic carbon (1.84 ± 0.16 mol m − 2 yr − 1 ) but partially offset by a loss of natural DIC ( − 0.57 ± 0.22 mol m − 2 yr − 1 ). Changes in the carbon storage rate can be driven by concentration changes in the water column, for example due to the ageing of wa- ter masses, or by changes in the distribution of water masses with different concentrations either by local formation or ad- vection. A decomposition of the trends into their main drivers showed that variations in natural DIC inventories are mainly driven by changes in the layer thickness of the main water masses, while anthropogenic carbon is most affected by con- centration changes. The storage rates of anthropogenic car- bon are sensitive to data selection, while changes in DIC in- ventory show a robust signal on short timescales associated with the strength of convectiones_ES
dc.description.sponsorshipFriederike Fröb and Are Olsen appreciate funding from the SNACS project (229752), which is part of the KLIMAFORSK programme of the Norwegian Research Council. Emil Jeansson and Siv K. Lauvset received funding from the NRC project VENTILATE (229791). Fiz F. Pérez and Maribel I. García-Ibáñez were supported by the Spanish Ministry of Economy and Com- petitiveness through the BOCATS (CTM2013-41048-P) project co-funded by the Fondo Europeo de Desarrollo Regional 2007– 2012 (FEDER)es_ES
dc.language.isoenges_ES
dc.publisherEuropean Geosciences Uniones_ES
dc.relationMINECO/ICTI2013-2016/CTM2013-41048-Pes_ES
dc.relation.isversionofPublisher's versiones_ES
dc.rightsopenAccesses_ES
dc.titleInorganic carbon and water masses in the Irminger Sea since 1991es_ES
dc.typeartículoes_ES
dc.identifier.doi10.5194/bg-15-51-2018-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.5194/bg-15-51-2018es_ES
dc.identifier.e-issn1726-4189-
dc.rights.licensehttps://creativecommons.org/licenses/by/3.0/es_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
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