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Heavy metal and polycyclic aromatic hydrocarbons in Ebrié lagoon sediments, Côte d’Ivoire |
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| Authors: | Kouadio Affian Marc Robin Mohamed Maanan Bruno Digbehi Eric Valère Djagoua Fernand Kouamé |
| Institution: | 1. Centre Universitaire de Recherche et d’Application en télédétection, Université de Cocody, 22 BP 582, Abidjan 22, Rep. C?te d’Ivoire 2. UMR CNRS 6554 LETG Géolittomer, Université de Nantes, Nantes cedex 3, France 3. UFR des Sciences de la Terre et des Ressources Minières, Université de Cocody, Abidjan, Rep. C?te d’Ivoire |
| 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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