Climate evolution in the long-term safety assessment of surface and geological disposal facilities for radioactive waste in Belgium

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Abstract

In order to protect man and the environment, long-lasting, passive solutions are needed for the different categories of radioactive waste. In Belgium, it has been decided that Category A waste (low and intermediate level short-lived waste) will be disposed in a near-surface facility. The reference solution for the disposal of Category B and C wastes (high-level and other long-lived radioactive waste) is a deep geological repository. In both cases, the long-term safety of a given disposal facility is evaluated. Different scenarios and assessment cases are developed illustrating the range of possibilities for the evolution and performance of a disposal system without trying to predict its precise behaviour. Within these scenarios, the evolution of the climate will play a major role. This paper describes the fundamentals of the long-term safety assessment of waste disposal facilities in Belgium. It furthermore describes future climate evolution based on a literature review, and evaluates how climate predictions can be treated in safety assessment studies for the long-term safety of disposal facilities.

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Original languageEnglish
Pages (from-to)8-15
JournalGeologica Belgica
Volume15
Issue number1-2
Publication statusPublished - Jul 2011

Keywords

  • Radioactive waste disposal, safety assessment, climate evolution, Boom Clay

ID: 344404