Exploring diffusion and sorption processes at the Mont Terri rock laboratory (Switzerland): lessons learned from 20 years of field research

Published on Apr 1, 2017in Swiss Journal of Geosciences2.185
· DOI :10.1007/S00015-016-0254-Z
Olivier X. Leupin15
Estimated H-index: 15
,
Luc R. Van Loon24
Estimated H-index: 24
+ 2 AuthorsJosep M. Soler26
Estimated H-index: 26
(CSIC: Spanish National Research Council)
Sources
Abstract
Transport and retardation parameters of radionuclides, which are needed to perform a safety analysis for a deep geological repository for radioactive waste in a compacted claystone such as Opalinus Clay, must be based on a detailed understanding of the mobility of nuclides at different spatial scales (laboratory, field, geological unit). Thanks to steadily improving experimental designs, similar tracer compositions in different experiments and complementary small laboratory-scale diffusion tests, a unique and large database could be compiled. This paper presents the main findings of 20 years of diffusion and retention experiments at the Mont Terri rock laboratory and their impact on safety analysis.
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