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Hydrogeology Journal

Erschienen in:

01.05.2012 | Report

Single-well and large-scale cross-hole tracer experiments in fractured rocks at two sites in Sweden

verfasst von: Rune Nordqvist, Calle Hjerne, Peter Andersson

Erschienen in: Hydrogeology Journal | Ausgabe 3/2012

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Abstract

As part of the Swedish site investigations and research associated with the disposal of spent nuclear fuel, tracer experiments in deep boreholes have been employed in order to characterize solute transport and hydraulic connectivity in the fractured bedrock at two sites—Forsmark and Laxemar-Simpevarp. Performance and analytical results are presented from a suite of tracer experiments in varying scales, from single-hole injection-withdrawal tests, intermediate-scale tests with sorbing tracers, to large-scale connectivity tests over distances up to several hundred meters in major fracture zones or networks of zones. In addition to demonstrating transport connectivity over large distances, a general result is that the single-hole tests, as well as the cross-hole tests with sorbing tracers, have clearly demonstrated the process of solute retention of water-conductive features in the rock at different scales.

Vorheriger Artikel Basin-scale groundwater response to precipitation variation and anthropogenic pumping in Chih-Ben watershed, Taiwan

Nächster Artikel Modelling groundwater contamination above a nuclear waste repository at Gorleben, Germany

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Titel: Single-well and large-scale cross-hole tracer experiments in fractured rocks at two sites in Sweden
verfasst von: Rune Nordqvist
Calle Hjerne
Peter Andersson
Publikationsdatum: 01.05.2012
Verlag: Springer-Verlag
Erschienen in: Hydrogeology Journal / Ausgabe 3/2012
Print ISSN: 1431-2174
Elektronische ISSN: 1435-0157
DOI: https://doi.org/10.1007/s10040-011-0820-4

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