Heavy metal pollution in the Arcachon Basin (France) : Bonding states |
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| Authors: | Christian Carruesco Yvon Lapaquellerie |
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| Institution: | Institut de Géologie du Bassin d'Aquitaine, Université de Bordeaux I, 351, cours de la Libération, 33405, Talence, Cedex, France |
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| Abstract: | Information available (since 1977) from a great many recent surveys on the Arcachon Basin has enabled us to determine three characteristic environments and study the behaviour of heavy metals (Ni, Cu, Zn, Pb, Cd, Hg). The relationship between heavy metals and grain-size fractions has been determined after having specified whether metals were preferentially organically or inorganically bound. This study has allowed us to establish the origin (natural or anthropogenic) of metallic enrichment and assess the extent of pollution. |
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