Influence of variable stress on underground radon concentrations
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| Format: | Artículo científico |
| Language: | en |
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Universidad Nacional Autónoma de México
2002
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| _version_ | 1876478700197773312 |
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| author | A. Kies |
| author_facet | A. Kies |
| contents | Influence of variable stress on underground radon concentrations A. Kies F. Massen Z. Tosheva Ciencias de la Tierra Radon stress radon transport strain in rocks crustal deformation Stresses applied to rocks of the Earths crust cause local deformation of the crust. In order to monitor a radon signal due tovariable pressures and rock stresses we use a natural laboratory under a reservoir of the Vianden (Luxembourg) pumping storagepower plant. Depending on energy demands, the artificial reservoirs at the top of a hill experience daily variations in water levelsof up to 16 meters, thus exerting variable pressures on the underlying rocks.Radon concentrations are continuously measured in boreholes drilled into the bedrock under water reservoir. We observesome very strong variations in transient radon concentrations induced by variations of water level. The reservoir consists of twoindependent reservoirs that were emptied individually for some period of time. The observed radon pattern depends on the locationof the boreholes under the reservoir and is different if both basins are working together, or if one of the reservoirs is empty.The observed patterns can be accounted for by variable pathways of fluids, fluid overpressure and a dynamic flow in cracks. 2002 artículo científico 0016-7169 https://www.redalyc.org/articulo.oa?id=56841320 en http://www.redalyc.org/revista.oa?id=568 Geofísica Internacional application/pdf Universidad Nacional Autónoma de México Geofísica Internacional (México) Num.3 Vol.41 |
| format | Artículo científico |
| id | redalyc_56841320 |
| institution | Redalyc |
| language | en |
| publishDate | 2002 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Influence of variable stress on underground radon concentrations A. Kies Ciencias de la Tierra Radon stress radon transport strain in rocks crustal deformation Influence of variable stress on underground radon concentrations A. Kies F. Massen Z. Tosheva Ciencias de la Tierra Radon stress radon transport strain in rocks crustal deformation Stresses applied to rocks of the Earths crust cause local deformation of the crust. In order to monitor a radon signal due tovariable pressures and rock stresses we use a natural laboratory under a reservoir of the Vianden (Luxembourg) pumping storagepower plant. Depending on energy demands, the artificial reservoirs at the top of a hill experience daily variations in water levelsof up to 16 meters, thus exerting variable pressures on the underlying rocks.Radon concentrations are continuously measured in boreholes drilled into the bedrock under water reservoir. We observesome very strong variations in transient radon concentrations induced by variations of water level. The reservoir consists of twoindependent reservoirs that were emptied individually for some period of time. The observed radon pattern depends on the locationof the boreholes under the reservoir and is different if both basins are working together, or if one of the reservoirs is empty.The observed patterns can be accounted for by variable pathways of fluids, fluid overpressure and a dynamic flow in cracks. 2002 artículo científico 0016-7169 https://www.redalyc.org/articulo.oa?id=56841320 en http://www.redalyc.org/revista.oa?id=568 Geofísica Internacional application/pdf Universidad Nacional Autónoma de México Geofísica Internacional (México) Num.3 Vol.41 |
| title | Influence of variable stress on underground radon concentrations |
| topic | Ciencias de la Tierra Radon stress radon transport strain in rocks crustal deformation |
| url | https://www.redalyc.org/articulo.oa?id=56841320 |