NDLI: Hydrogeologic studies for nuclear-waste disposal in Sweden

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Hydrogeologic studies for nuclear-waste disposal in Sweden

Content Provider	Springer Nature Link
Author	Walker, Douglas D. Gylling, Björn Ström, Anders Selroos, Jan Olof
Copyright Year	2001
Abstract	Safety Report 1997 (SR 97) of the Swedish Nuclear Fuel and Waste Management Company is a comprehensive performance assessment of three hypothetical radioactive waste repositories in Sweden. It includes hydrogeologic studies (data compilation, parameter synthesis, and groundwater flow modeling) to determine groundwater flow and the associated uncertainties for the three sites. This report reviews and compares the hydrogeologic characterization programs, the site characteristics, and the groundwater flow models used in the SR 97 performance assessment. Although differences in site-characterization programs tend to mask differences in site characteristics, the sites do have notable differences that affect the results of the performance assessment. The effects of model uncertainties evaluated by the variant cases appear to be smaller than the variability of results for the base case (best estimate of site conditions) of each site. Le rapport sur la sûreté de 1997 (SR 97) de la Compagnie Suédoise de Gestion des Déchets Radioactifs est une évaluation d'ensemble du fonctionnement de trois sites hypothétiques de stockage de déchets radioactifs en Suède. Il comprend des études hydrogéologiques (compilation de données, synthèse des paramètres et modélisation des écoulements souterrains) pour déterminer l'écoulement souterrain et les incertitudes associées pour les trois sites hypothétiques. Ce rapport passe en revue et compare les programmes de caractérisation hydrogéologique, les caractéristiques des sites et les modèles d'écoulement de nappe utilisés dans l'évaluation du fonctionnement par SR 97. Bien que des différences dans les programmes de caractérisation des sites tendent à masquer des différences de caractéristiques des sites, les sites ne présentent pas de différences notables qui affectent les résultats de l'évaluation du fonctionnement. Les effets des incertitudes des modèles évalués par des cas variants apparaissent être moins importants que la variabilité des résultats pour le cas de base (la meilleure estimation des conditions de site) pour chaque site. El Informe de Seguridad 1997 (SR 97) de la Compañía Sueca de Gestión de Residuos Radioactivos contiene una evaluación exhaustiva del comportamiento de tres repositorios de residuos radioactivos hipotéticos en Suecia. Incluye los estudios hidrogeológicos (toma de datos, síntesis de parámetros y modelos de flujo) realizados para determinar el flujo de las aguas subterráneas y la incertidumbre asociada a los tres repositorios hipotéticos. Este informe revisa y compara los programas de caracterización hidrogeológica, las características de cada sitio y los modelos de flujo utilizados en la evaluación SR 97. Aunque las diferencias en los programas de caracterización tienden a enmascarar las diferencias en las características de cada emplazamiento, éstos no presentan diferencias notables que puedan afectar a los resultados de los programas de evaluación de su comportamiento. La incertidumbre asociada a los modelos, evaluada mediante variaciones respecto al Caso Base (estimación óptima de las condiciones de un sitio), parece ser menor que la variabilidad de los resultados de éste en cada emplazamiento.
Starting Page	419
Ending Page	431
Page Count	13
File Format	PDF
ISSN	14312174
Journal	Hydrogeology Journal
Volume Number	9
Issue Number	5
e-ISSN	14350157
Language	English
Publisher	Springer-Verlag
Publisher Date	2001-09-11
Publisher Institution	International Association of Hydrogeologists
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hydrogeology Hydrology/Water Resources Geology Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Water Science and Technology

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