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dc.contributor.authorDíez, Sergi-
dc.contributor.authorJover Comas, Eric-
dc.contributor.authorBayona Termens, Josep María-
dc.contributor.authorAlbaigés Riera, Joan-
dc.identifier.citationEnvironmental Science & Technology 41(9): 3075-3082 (2007)en_US
dc.description8 pages, 5 figures.-- PMID: 17539507 [PubMed].-- Printed version published on May 1, 2007.en_US
dc.description.abstractMore than 200 oil samples were collected along the Northern Spanish coast, from December 2002 to December 2003, as part of the extensive monitoring program carried out by the Spanish Marine Safety Agency after the Prestige heavy oil spill (November 13, 2002). The GC FPD/FID and comprehensive GC x GC/TOFMS sample profiles revealed the main characteristics of the oil residues. Chemical fingerprinting of the aliphatic and aromatic fractions by GC/MS was performed to determine the source of the oil as well as to follow its weathering at sea. The (n-C13 + n-C14)/(n-C25 + n-C26), n-C18/phytane, and methylnaphthalene [(N + N1)/N2] ratios were found to be useful for assessing the evaporation, biodegradation, and dissolution processes, respectively. Other indicators of more advanced degradation processes, including photo-oxidation, were unaltered, showing the low incidence of natural weathering processes on the spilled heavy oil 1 year after the accident. The survey also demonstrated the occurrence of continued discharges of ballast waters at sea and the need for a more stringent surveillance of the area, beyond accidental oil spills.en_US
dc.description.sponsorshipThis work was supported by the Spanish Ministry of Science and Technology (VEM2003-20068-C05). Samples were made available by SASEMAR (Spain) within its Prestige post-spill monitoring program. The kind support of Laura de la Torre and Gracia Albuquerque (SASEMAR) is greatly appreciated. The authors thank M. Adahchour and R. J. J. Vreuls for their technical assistance in the GC x GC measurements carried out at the Vrije Universiteit of Amsterdam. S.D. and E.J. acknowledge the Spanish Ministry of Science and Technology for awarding them a Ramón y Cajal contract and a Ph.D. fellowship, respectively.en_US
dc.format.extent19968 bytes-
dc.publisherAmerican Chemical Societyen_US
dc.subjectPrestige oil spillen_US
dc.subjectHeavy oilen_US
dc.subjectDissolution processesen_US
dc.subjectBallast watersen_US
dc.titlePrestige Oil spill III, the fate of a heavy oil in the marine environmenten_US
dc.description.peerreviewedPeer revieweden_US
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