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dc.contributor.author
Chaparro, Marcos Adrián Eduardo
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Ramírez Ramírez, Margarita
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Chaparro, Mauro Alejandro Eduardo
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Miranda Avilés, Raúl
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Puy Alquiza, María Jesús
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Böhnel, Harald N.
dc.contributor.author
Zanor, Gabriela Ana
dc.date.available
2020-05-15T17:28:03Z
dc.date.issued
2020-01
dc.identifier.citation
Chaparro, Marcos Adrián Eduardo; Ramírez Ramírez, Margarita; Chaparro, Mauro Alejandro Eduardo; Miranda Avilés, Raúl; Puy Alquiza, María Jesús; et al.; Magnetic parameters as proxies for anthropogenic pollution in water reservoir sediments from Mexico: an interdisciplinary approach; Elsevier; Science of the Total Environment; 700; 1-2020; 1-40
dc.identifier.issn
0048-9697
dc.identifier.uri
http://hdl.handle.net/11336/105253
dc.description.abstract
We assess the element pollution level of water reservoir sediments using environmental magnetism techniques as a novel approach. Although “La Purísima” Water Reservoir is an important source for multiple activities (e.g. recreational, fishing and agricultural) in Guanajuato state, it has been receiving for the last centuries a high load of pollutants by mining extraction, urbanization and land-use change from the Guanajuato Hydrological Basin. The analyses of environmental magnetism, geochemistry, X-ray energy dispersive spectroscopy, scanning electron microscopy and multivariate methods were applied to study sediments from the reservoir and basin. Accordingly, they indicate the presence of iron oxides (magnetite and hematite) and iron sulfides (pyrite and greigite), which evidences relevant differences in particle size and concentration within the water reservoir (median mass-specific magnetic susceptibility χ = 23.2 × 10−8 m3/kg), as well as with respect to the river basin sediments (median χ = 88.8 × 10−8 m3/kg). The highest enrichment factor EF values (median values of EF = 2–10 for As, Co, Ba, Cu, Cd, Ni and EF > 20 for S) are mainly associated with historical mining activities that have led to an enrichment of potentially toxic elements on these water reservoir sediments. We propose the use of concentration and grain size dependent magnetic parameters, i.e. χ, remanent magnetizations and anhysteretic ratios ARM/SIRM and χARM/χ, as proxies for Ba, Co, Cr, Ni, P and Pb pollution in these river and water reservoir sediments. Such parameters allow to evaluate this sedimentary environment, and similar ones, through useful and convenient proxies.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
ENRICHMENT FACTOR EF
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MAGNETIC PROXIES
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MINING
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MULTIVARIATE STATISTICS
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RESERVOIR SEDIMENTS
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Ciencias Medioambientales
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Magnetic parameters as proxies for anthropogenic pollution in water reservoir sediments from Mexico: an interdisciplinary approach
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-05-04T20:38:47Z
dc.identifier.eissn
1879-1026
dc.journal.volume
700
dc.journal.pagination
1-40
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Chaparro, Marcos Adrián Eduardo. Universidad Nacional del Centro de la Provincia de Buenos Aires. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tandil. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires. - Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires; Argentina
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Fil: Ramírez Ramírez, Margarita. Universidad de Guanajuato. División Ciencias de la Vida; México
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Fil: Chaparro, Mauro Alejandro Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Departamento de Matemática; Argentina
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Fil: Miranda Avilés, Raúl. Universidad de Guanajuato; México
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Fil: Puy Alquiza, María Jesús. Universidad de Guanajuato; México
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Fil: Böhnel, Harald N.. Universidad Nacional Autónoma de México. Centro de Geociencias; México
dc.description.fil
Fil: Zanor, Gabriela Ana. Universidad de Guanajuato. División Ciencias de la Vida; México
dc.journal.title
Science of the Total Environment
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0048969719343347
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.scitotenv.2019.134343
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