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The extreme flooding of the Rhône valley in December 2003 (South east France): Consequences on the translocation of sediments and the associated contaminants over the flooded areas


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Titre du congrès :10th International Symposium on the Interactions between Sediments and Water
Ville du congrès :Bled
Date du congrès :28/08/2005

Type de document > *Congrès/colloque

Mots clés > contaminants, crues, inondation, Rhône, sédiments

Unité de recherche > IRSN/DEI/SESURE/LERCM

Auteurs > ANTONELLI Christelle, DUFFA Céline, EYROLLE Frédérique, ROLLAND Benoît

Date de publication > 02/09/2005

Résumé

 Flooding causes extrême matter flows to the sea but also towards the soils in the alluvial plain. This study sets out the results obtained on the translocation of sédiments and associated contaminants onto the most flooded areas of the lower part of the Rhône valley during the extrême event of December 2003. We determined the quantifies and spreading of sedimentary deposits and associated stable and radioactive contaminants. Finally, the conséquences of such extrême flooding on the contamination of the food chain are estimated.