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DOI10.1016/j.marpolbul.2019.04.034
Assessment of the metal contamination evolution in the Loire estuary using Cu and Zn stable isotopes and geochemical data in sediments
Araújo D.F.; Ponzevera E.; Briant N.; Knoery J.; Sireau T.; Mojtahid M.; Metzger E.; Brach-Papa C.
发表日期2019
ISSN0025326X
起始页码12
结束页码23
卷号143
英文摘要In this work, a multi-elemental approach combining Cu and Zn stable isotopes is used to assess the metal contamination evolution in the Loire estuary bulk sediments. Elemental geochemical data indicate an increase of metal concentrations from the beginning of the industrial period peaking in the 1990s, followed by an attenuation of metal contamination inputs to the estuary. Zinc isotope compositions suggest a binary mixing process between Zn derived from terrigenous material and multi-urban anthropogenic sources. Copper isotope systematics indicate a single natural dominant source represented by weathered silicate particles from soils and rocks. This work demonstrates the applicability of Zn isotopes to identify anthropogenic Zn sources in coastal systems, even under a low to moderate degree of contamination. Further studies are required to constrain Cu sources and to elucidate possible effects of grain-size and mineralogy in the Cu isotope composition of sediment in the Loire estuary. © 2019
英文关键词Anthropogenic contamination; Coastal biogeochemistry; Coastal pollution; Geochemical tracers; Metal isotopes; Trace metal
语种英语
scopus关键词Contamination; Copper; Estuaries; Geochemistry; Isotopes; Minerals; Sediments; Silicates; Trace elements; Zinc; Anthropogenic contamination; Coastal pollution; Geochemical tracer; Metal isotopes; Trace metal; Marine pollution; cadmium; copper; lead; mercury; silicate; silver; zinc; copper; isotope; zinc; anthropogenic source; biogeochemistry; copper; estuarine pollution; estuarine sediment; isotopic composition; stable isotope; trace metal; zinc; Article; concentration (parameter); estuary; geochemistry; inductively coupled plasma mass spectrometry; mineralogy; particle size; rock; seashore; sediment; soil; water analysis; water contamination; water sampling; chemistry; environmental monitoring; estuary; France; spatiotemporal analysis; water pollutant; France; Loire Atlantique; Loire Estuary; Pays de la Loire; Copper; Environmental Monitoring; Estuaries; France; Geologic Sediments; Isotopes; Soil; Spatio-Temporal Analysis; Water Pollutants, Chemical; Zinc; Zinc Isotopes
来源期刊Marine Pollution Bulletin
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/149903
作者单位Laboratoire de Biogéochimie des Contaminants Métalliques, Ifremer, Centre Atlantique, Nantes Cedex 3, F44311, France; UMR-CNRS 6112, LPG-BIAF, University of Angers, University of Nantes, UFR Sciences, 2 bd Lavoisier, Angers Cedex 01, 49045, France; Laboratoire Environnement Ressources Provence Azur Corse, Ifremer, Zone portuaire de Brégaillon, CS 20330, La Seyne sur Mer Cedex, 83507, France
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GB/T 7714
Araújo D.F.,Ponzevera E.,Briant N.,et al. Assessment of the metal contamination evolution in the Loire estuary using Cu and Zn stable isotopes and geochemical data in sediments[J],2019,143.
APA Araújo D.F..,Ponzevera E..,Briant N..,Knoery J..,Sireau T..,...&Brach-Papa C..(2019).Assessment of the metal contamination evolution in the Loire estuary using Cu and Zn stable isotopes and geochemical data in sediments.Marine Pollution Bulletin,143.
MLA Araújo D.F.,et al."Assessment of the metal contamination evolution in the Loire estuary using Cu and Zn stable isotopes and geochemical data in sediments".Marine Pollution Bulletin 143(2019).
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