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La Recherchev2

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Comparative study of the repartition of 239+240Pu, 241Am, 90Sr, anthropogenic lead and their natural analogues in soils


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Titre du congrès :AIG-6 6th International Symposium on Applied Isotope Geochemistry Ville du congrès :Prague Date du congrès :11/09/2005

Type de document > *Congrès/colloque

Mots clés >

Unité de recherche > IRSN/DEI/SESURE/LERCM

Auteurs > AUBERT Dominique, GAUTHIER-LAFAYE François, POURCELOT Laurent, SOLOVITCH-VELLA Natalia, STILLE Peter

Date de publication > 16/09/2005

Résumé

Long term behaviour of radionuclides and airborne pollutants in soil is an important issue because nowadays this compartment acts as a secondary source for pollutant discharge. Indeed, major pathway of transfer to man arise frombio availability of toxic substances. Furthermore, leaching in soil and transfer to water body may led to major contamination of underground and surface waters. Thus although the risk is not negligible, the long term behaviour of man made substances in soil is poorly known. To address this issue, we studied the hydrological and biogeochemical behaviour of natural isotopes as analogues of man made substances in natural ecosystems.