Enrichment diagram (ED)
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Management of Environmental Quality
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Purpose – The purpose of this paper is to validate and apply enrichment diagrams (EDs) to
determine metal and as enrichment and contamination in the sediments of Sepetiba Bay.
Design/methodology/approach – Through inducted coupled plasma – optical emission
spectrophotometry, total element (As, Cd, Cu, Ni, Pb and Zn) concentrations were assessed for the
construction of EDs and comparison with enrichment factors (EFs) in 65 samples collected in Sepetiba Bay.
Findings – Based on the EDs, it was observed that the sediments around the urban area of Sepetiba
and Itaguaı´Harbor were contaminated with Cd, Cu, Ni, Pb and Zn. These contaminants were expected
due to the urban and industrial discharges into the bay and the activities at Itaguaı´Harbor.
Originality/value – The ED was successful regarding its ability to evaluate inorganic
contamination in Sepetiba Bay. In addition, this method was able to define a proper background
sample for calculating EFs.
Como referenciar
RIBEIRO, ANDREZA P.; FIGUEIREDO, ANA M.G.; SANTOS, JOSE O. dos; DANTAS, ELIZABETH S.K.; COTRIM, MARYCEL E.B.; FERREIRA, PAULO A. de L.; FRANÇA, ELVIS J. de; GRAUDENZ, GUSTAVO S.; MAHIQUES, MICHEL M. de; FIGUEIRA, RUBENS C.L.; WASSERMAN, JULIO C. de F.A. Enrichment diagram (ED): A graphic approach for assessing inorganic enrichment and contamination in marine sediments of Sepetiba Bay (SE Brazil). Management of Environmental Quality, v. 25, n. 4, p. 467-479, 2014. Disponível em: http://repositorio.ipen.br/handle/123456789/8956. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.