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Reconstitution des apports en elements traces metalliques et bilan de leur migration dans un Luvisol sableux soumis a 100 ans d'irrigation massive par des eaux usees brutes

Abstract : Raw wastewaters were massively spread on sandy luvisols near Paris from 1899 to 2002, leading to high trace metals (TM) pollution of soils. Mass balance calculations were performed on a soil profile to assess vertical migration of TM. The contamination was estimated by subtracting the natural pedo-geochemical background of the horizons. TM inputs were estimated using Cr as an invariant. It is shown that Pb and Cr remained in the surface horizon, while Ni, Cd, Cu and Zn migrated downward, being more or less trapped depending on the physicochemical properties of the horizons.
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https://hal.inrae.fr/hal-02661562
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Submitted on : Saturday, May 30, 2020 - 10:32:32 PM
Last modification on : Monday, March 28, 2022 - 9:38:09 AM

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Christelle Dère, Isabelle Lamy, Folkert F. van Oort, Denis Baize, Sophie S. Cornu. Reconstitution des apports en elements traces metalliques et bilan de leur migration dans un Luvisol sableux soumis a 100 ans d'irrigation massive par des eaux usees brutes. Comptes Rendus Géoscience, Elsevier, 2006, 338 (8), pp.565-573. ⟨10.1016/j.crte.2006.02.006⟩. ⟨hal-02661562⟩

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