Nominal range sensitivity analysis of peak radionuclide concentrations in randomly heterogeneous aquifer - CentraleSupélec Access content directly
Journal Articles Annals of Nuclear Energy Year : 2012

Nominal range sensitivity analysis of peak radionuclide concentrations in randomly heterogeneous aquifer

Abstract

We consider the problem of quantification of uncertainty associated with radionuclide transport processes within a randomly heterogeneous aquifer system in the context of performance assessment of a near-surface radioactive waste repository. Radionuclide migration is simulated at the repository scale through a Monte Carlo scheme. The saturated groundwater flow and transport equations are then solved at the aquifer scale for the assessment of the expected radionuclide peak concentration at a location of interest. A procedure is presented to perform the sensitivity analysis of this target environmental variable to key parameters that characterize flow and transport processes in the subsurface. The proposed procedure is exemplified through an application to a realistic case study.

Dates and versions

hal-00777684 , version 1 (17-01-2013)

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Andrea Cherubini, Francesco Cadini, J. de Sanctis, Enrico Zio, Monica Riva, et al.. Nominal range sensitivity analysis of peak radionuclide concentrations in randomly heterogeneous aquifer. Annals of Nuclear Energy, 2012, 47, pp.166-172. ⟨10.1016/j.anucene.2012.05.005⟩. ⟨hal-00777684⟩
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