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dc.contributor.author | Catalá, Teresa S. | - |
dc.contributor.author | Álvarez-Salgado, Xosé Antón | - |
dc.contributor.author | Otero, Jaime | - |
dc.contributor.author | Iuculano, Francesca | - |
dc.contributor.author | Companys, Berta | - |
dc.contributor.author | Romera-Castillo, Cristina | - |
dc.contributor.author | Nieto-Cid, Mar | - |
dc.contributor.author | Gasol, Josep M. | - |
dc.contributor.author | Marrasé, Cèlia | - |
dc.contributor.author | Reche, Isabel | - |
dc.date.accessioned | 2016-06-02T12:28:53Z | - |
dc.date.available | 2016-06-02T12:28:53Z | - |
dc.date.issued | 2016-05 | - |
dc.identifier | issn: 0024-3590 | - |
dc.identifier.citation | Limnology and Oceanography 61(3): 1101-1119 (2016) | - |
dc.identifier.uri | http://hdl.handle.net/10261/132924 | - |
dc.description | Catalá, Teresa S. ... et al.-- 19 pages, 7 figures, 1 table, supporting information https://dx.doi.org/10.1002/lno.10281.-- Data availability: https://doi.org/10.20350/digitalCSIC/16127 | - |
dc.description.abstract | Fluorescent dissolved organic matter (FDOM) in open surface waters (< 200 m) of the Atlantic, Pacific, and Indian oceans was analysed by excitation-emission matrix (EEM) spectroscopy and parallel factor analysis (PARAFAC). A four-component PARAFAC model was fit to the EEMs, which included two humic- (C1 and C2) and two amino acid-like (C3 and C4) components previously identified in ocean waters. Generalized-additive models (GAMs) were used to explore the environmental factors that drive the global distribution of these PARAFAC components. The explained variance for the humic-like components was substantially larger (> 70%) than for the amino acid-like components (< 35%). The environmental variables exhibiting the largest effect on the global distribution of C1 and C2 were apparent oxygen utilisation followed by chlorophyll a. Positive non-linear relationships between both predictor variables and the two humic-like PARAFAC components suggest that their distribution are biologically controlled. Compared with the dark ocean (> 200 m), the relationships of C1 and C2 with AOU indicate a higher C1/AOU and C2/AOU ratios of the humic-like substances in the dark ocean than in the surface ocean where a net effect of photobleaching is also detected. C3 (tryptophan-like) and C4 (tyrosine-like) variability was mostly dictated by salinity (S), by means of positive non-linear relationships, suggesting a primary physical control of their distributions at the global surface ocean scale that could be related to the changing evaporation-precipitation regime. Remarkably, bacterial biomass (BB) only contributed to explain a minor part of the variability of C1 and C4 | - |
dc.description.sponsorship | T.S.C acknowledges funding through a predoctoral fellowship (reference AP2009-2138) from the Ministerio de Educación, Cultura y Deporte. [...] J. Otero was supported by “Junta para la Ampliación de Estudios” Fellowship (JAE-Doc program 2011) from the CSIC and ESF. M. Nieto-Cid was funded by the EU FP/-IOF project FeBOL-220172 and the CSIC Program “Junta para la Ampliación de Estudios” co-financed by the ESF. B. Horstkotte was supported by JAE 2010 Postdoctoral fellowship from the CSIC. This study was financed by the Malaspina 2010 circumnavigation expedition (grant number CSD2008–00077) | - |
dc.publisher | Association for the Sciences of Limnology and Oceanography | - |
dc.rights | openAccess | en_EN |
dc.title | Drivers of fluorescent dissolved organic matter in the global epipelagic ocean | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1002/lno.10281 | - |
dc.relation.publisherversion | https://doi.org/10.1002/lno.10281 | - |
dc.embargo.terms | 2019-05-31 | - |
dc.date.updated | 2016-06-02T12:28:53Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | Consejo Superior de Investigaciones Científicas (España) | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Ministerio de Educación, Cultura y Deporte (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003339 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003176 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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