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Determination of geochemical background values on a tropical estuarine system in a densely urban area. Case study: Capibaribe estuary, Northeastern Brazil.
Xavier, Diego de Arruda; Schettini, Carlos Augusto; França, Elvis Joacir; Figueira, Rubens César; Barcellos, Roberto Lima.
Afiliação
  • Xavier DA; Federal University of Pernambuco, Oceanography Department (Docean-UFPE), Brazil.
  • Schettini CA; Federal University of Pernambuco, Oceanography Department (Docean-UFPE), Brazil.
  • França EJ; Regional Center of Nuclear Sciences, Environmental Department, CRCN-NE, Brazil.
  • Figueira RC; University of São Paulo, Oceanography Institute (IOUSP), Brazil.
  • Barcellos RL; Federal University of Pernambuco, Oceanography Department (Docean-UFPE), Brazil.
Mar Pollut Bull ; 123(1-2): 381-386, 2017 Oct 15.
Article em En | MEDLINE | ID: mdl-28893399
This study aims to infer the background values of several metals in the Capibaribe estuary and to identify the likely impact of anthropic activities during 200-years of sedimentation. Two cores were sampled, with subsamples at intervals of 2cm. Sedimentation rates and metal concentrations were analyzed. The Al-normalized method was used to infer the background values, and to identify anthropic influences, the enrichment factor, the contamination factor and the geoaccumulation index were employed. The background values showed concentrations for Mn of 292.2, for Co of 10.4, for Ni of 22.3, for Cu of 60.8, for Zn of 105.5, for As of 106.0, for Pb of 52.9 (all in mgkg-1) and for Fe of 2.7%, The higher values, mainly for As, Zn and Pb, are associated with the influence of the Barreiras Formation. The geogenic inputs are significantly greater than the anthropic activities, masking the contamination.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Poluentes Químicos da Água / Estuários / Sedimentos Geológicos / Metais Pesados Tipo de estudo: Prognostic_studies País/Região como assunto: America do sul / Brasil Idioma: En Revista: Mar Pollut Bull Ano de publicação: 2017 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Poluentes Químicos da Água / Estuários / Sedimentos Geológicos / Metais Pesados Tipo de estudo: Prognostic_studies País/Região como assunto: America do sul / Brasil Idioma: En Revista: Mar Pollut Bull Ano de publicação: 2017 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido