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Modeling the fate of radiocesium and radiostrontium in a soil-plant system: empirical versus mechanistic approaches.



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Mot de passe :

Gonze, M.A.; Brechignac, F. proceedings du congrès "International Workshop on Distribution and Speciation of Radionuclides in the Environment", October 11-13, 2000, Japan (Rokkasho).374 p. p. 218-226

Type de document > *Congrès/colloque

Mots clés > modélisation en radioécologie, césium, modélisation, strontium

Unité de recherche > IRSN/DEI/SECRE/LME

Auteurs > BRECHIGNAC François, GONZE Marc-André

Date de publication > 13/11/2000


The modeling philosophy currently adopted at the French National Institute of Protection and Nuclear Safety (irsn), for predicting the fate of radionuclides in the biosphere, is illustrated through the modeling of radiocesium and radiostrontium transfer within a soil-plant subsystem. Selected comparisons between numerical predictions and 5-year experimental results are presented for different agricultural ecosystems submitted to an accidental fallout deposition.