Enrichment diagram (ED): A graphic approach for assessing inorganic enrichment and contamination in marine sediments of Sepetiba Bay (SE Brazil)

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...

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Bibliographic Details
Published in:Management of environmental quality 2014-07, Vol.25 (4), p.467-479
Main Authors: Portella Ribeiro, Andreza, Maria Graciano Figueiredo, Ana, Osman dos Santos, José, Sonoda Keiko Dantas, Elizabeth, Elena Barboza Cotrim, Marycel, Alves de Lima Ferreira, Paulo, Joacir de França, Elvis, Silveira Graudenz, Gustavo, Michaelovitch de Mahiques, Michel, Cesar Lopes Figueira, Rubens, Cesar de Faria Alvim Wasserman, Julio
Format: Article
Language:English
Subjects:
Cadmium
Confidence intervals
Contaminants
Contamination
Copper
Enrichment
Environmental quality
Lead
Metals
Nickel
Pollutants
Reference materials
Regression analysis
Sample size
Sediments
Spectrophotometry
Studies
Trace elements
Urban areas
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Summary: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 ItaguaíHarbor 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 ItaguaíHarbor. 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.
ISSN:1477-7835
1758-6119
DOI:10.1108/MEQ-02-2013-0013