Reference : Long-term fate of exogenous metals in a sandy Luvisol subjected to intensive irrigation ...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Multidisciplinary, general & others
http://hdl.handle.net/2268/32373
Long-term fate of exogenous metals in a sandy Luvisol subjected to intensive irrigation with raw wastewater
English
Dere, Christelle mailto [Université de Liège - ULg > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech >]
Lamy, Isabelle mailto [Institut national de la Recherche Agronomique - INRA > Envrionnement et Agronomie > Unité de Science du Sol, Versailles > >]
Jaulin, Anne mailto [Institut National de la Recherche Agronomique - INRA > Environnement et Agronomie > Unité de Science du Sol, Versailles > >]
Cornu, Sophie mailto [Institut National de la recherche Agronomique > Environnement et Agronomie > Unité de Science du Sol, Orléans > >]
2007
Environmental Pollution
Elsevier Science
145
31-40
Yes (verified by ORBi)
International
0269-7491
Oxford
United Kingdom
[en] Wastewater irrigation; Speciation ; Sequential extractions; Sandy soil ; Exogenous metals
[en] From 1899 to 2002, sandy Luvisol in the Paris region has been intensively irrigated with raw wastewater, resulting in major soil pollution by metallic trace elements (MTE). To identify the soil phases implicated in retaining these metals, sequential extractions were performed on a solum irrigated with untreated wastewater and another reference solum. The endogenous and exogenous fractions of MTE in the contaminated soil were discriminated using correlations between MTE and major elements defined from unpolluted soils of the area. In the contaminated soil no exogenous lead and chromium are present below the surface horizon, whereas exogenous zinc and copper are found down to the base of the solum. The endogenous MTE are mainly found in the residual fraction. Exogenous MTE appear to be associated with organic matter in the surface horizon, and exogenous zinc seems to be readsorbed on iron and manganese oxyhydroxides in the underlying horizons.
Researchers ; Professionals ; Students ; Others
http://hdl.handle.net/2268/32373
10.1016/j.envpol.2006.04.002

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