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Critical loads for lead in France: First results on forest soils

Probst, Anne and Moncoulon, David and Goddéris, Yves and Hernandez, Laura and Party, Jean-Paul Critical loads for lead in France: First results on forest soils. (2003) Journal de Physique IV - Proceedings, vol. 107 (n° 2). pp. 1111-1114. ISSN 1155-4339

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Official URL: http://dx.doi.org/10.1051/jp4:20030495

Abstract

Within the framework of the United Nation Convention on Long Range Transboundary Air Pollution, France is part of the Working Group on Effect which aims at evaluating the impact of atmospheric deposition on ecosystems by calculating critical loads. The critical loads are the highest deposition of compounds that will not cause chemical changes in soil leading to long-term harmful effects on ecosystem structure and function. A guidance manual for calculation of critical loads for heavy metals (lead and cadmium) has been proposed by the Coordination Center for Effects (executive body of the WGE). French National Focal Center (CNRS and ADEME) aims in this study at evaluating the accuracy of the european methodology for calculation of critical loads for french forest soils. It appears that critical load approach is adapted for France but need to be calibrated at least for calculation of weathering fluxes and determination of critical limits. Stand-still on the contrary is not adequate because of inherent contradictions in the method and too much uncertainties in the transfer functions.

Item Type:Article
Additional Information:Thanks to EDP Sciences editor. The definitive version is available athttp://jp4.journaldephysique.org/ The original PDF of the article can be found at Journal de Physique IV - Proceedings website : http://jp4.journaldephysique.org/index.php?option=com_article&access=doi&doi=10.1051/jp4:20030495&Itemid=129
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
French research institutions > Institut de Recherche pour le Développement - IRD
Other partners > SOL-CONSEIL (FRANCE)
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Laboratory name:
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Deposited By: Florence Amor

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