Site descriptive modelling during characterization for a geological repository for nuclear waste in Sweden

The Swedish programme for geological disposal of spent nuclear fuel is approaching major milestones in the form of permit applications for an encapsulation plant and a deep geologic repository. This paper presents an overview of the bedrock and surface modelling work that comprises a major part of t...

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Veröffentlicht in:Applied geochemistry 2008-07, Vol.23 (7), p.1747-1760
Hauptverfasser: Ström, A., Andersson, J., Skagius, K., Winberg, A.
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Sprache:eng
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Zusammenfassung:The Swedish programme for geological disposal of spent nuclear fuel is approaching major milestones in the form of permit applications for an encapsulation plant and a deep geologic repository. This paper presents an overview of the bedrock and surface modelling work that comprises a major part of the on-going site characterization in Sweden and that results in syntheses of the sites, called site descriptions. The site description incorporates descriptive models of the site and its regional setting, including the current state of the geosphere and the biosphere as well as natural processes affecting long-term evolution. The site description is intended to serve the needs of both repository engineering with respect to layout and construction, and safety assessment, with respect to long-term performance. The development of site-descriptive models involves a multi-disciplinary interpretation of geology, rock mechanics, thermal properties, hydrogeology, hydrogeochemistry, transport properties and ecosystems using input in the form of available data for the surface and from deep boreholes.
ISSN:0883-2927
1872-9134
DOI:10.1016/j.apgeochem.2008.02.014