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Article Dans Une Revue Radioprotection Année : 2009

Role and uncertainty of foliar transfer in radiological impact assessments: State of the art and future actions

Rôle et incertitude du transfert foliaire dans les évaluations d'impact radiologique : état de l'art et actions futures

Résumé

Sensitivity analyses have shown major role of foliar transfer for many radionuclides in the context of radiological impact assessments. A review of the published literature about foliar transfer focusing on translocation factors was carried out in order to constitute an updated database on one hand and to use the appropriate existing values of translocation parameters for modeling on the other. Translocation describes the distribution of radionuclides within the plant after foliar deposition and radionuclide absorption onto the surface of leaves. It mainly depends on elements and the plant growth stage. The collected data was derived from both in-field and greenhouse experiments. It was analysed to select those coming from a contamination simulating sprinkling irrigation or rain. This work not only allowed us to carry out a diagnosis on the values themselves but also enabled us to ascertain missing data needs. In order to compensate for the lack of data on important radionuclides concerning radioactive waste (129I, 36Cl, 79Se), experimental studies have been launched.
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irsn-04662423 , version 1 (25-07-2024)

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C. Madoz-Escande, E. Leclerc, C. Colle, Pierre Hurtevent. Role and uncertainty of foliar transfer in radiological impact assessments: State of the art and future actions. Radioprotection, 2009, 44 (5), pp.791 - 798. ⟨10.1051/radiopro/20095142⟩. ⟨irsn-04662423⟩

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