Article

Heavy metal and polycyclic aromatic hydrocarbons in Ebrié lagoon sediments, Côte d'Ivoire.

Centre Universitaire de Recherche et d'Application en télédétection, Université de Cocody, 22 BP 582, Abidjan 22, Rep. Côte d'Ivoire.
Environmental Monitoring and Assessment (impact factor: 1.4). 01/2009; 159(1-4):531-41. DOI:10.1007/s10661-008-0649-z pp.531-41
Source: PubMed

ABSTRACT Surface sediments throughout Ebrié lagoon, Côte d'Ivoire were collected in 2001 and analyzed for their heavy metal and polycyclic aromatic hydrocarbons (PAH) contaminant content. Geochemical maps of heavy metals (Cd, Cu, Zn, Fe, and Mn) in the surface sediment were produced based on geographical information system (GIS) technology. Heavy metals and PAH were detected at high concentration and provide evidence for several anthropogenic inputs to the lagoon. A significant spatial relationship was found for Fe, Zn, and Cu in the sediment using a GIS-based analysis, suggesting that these metal contaminants in the sediments of the Biétri bay had common sources.

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Keywords

analyzed
 
Biétri bay
 
Cu
 
Côte d'Ivoire
 
Geochemical maps
 
geographical information system
 
GIS
 
GIS-based analysis
 
heavy metal
 
Heavy metals
 
metal contaminants
 
PAH
 
polycyclic aromatic hydrocarbons
 
significant spatial relationship
 
surface sediment
 
Surface sediments