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Article

Application of Combined Geophysical Methods for the Examination of a Water Dam Subsoil

1
Faculty of Environmental and Power Engineering, Cracow University of Technology, Warszawska Str. 24, 31-155 Cracow, Poland
2
Ecole Centrale de Lille—Institute d’Electronique, Microelectronique & Nanotechnologies Cité Scientifique CS 20048, CEDEX, 59-651 Villeneuve d’Ascq, France
*
Author to whom correspondence should be addressed.
Water 2021, 13(21), 2981; https://doi.org/10.3390/w13212981
Received: 16 July 2021 / Revised: 1 October 2021 / Accepted: 7 October 2021 / Published: 22 October 2021
(This article belongs to the Section Hydrogeology)
The paper presents the results of geophysical measurements that were carried out in the vicinity of the water dam/water reservoir supplying the city of Bielsko-Biala with drinking water. The measurements were performed in order to non-invasively detect faults, fractured zones and areas filled with breccia, which may be, at the same time, a preferential path of groundwater flow. The aforementioned factors influence the stability of the dam. The general identification of the examined media was realized by the electrical resistivity tomography method. The ERT surveys were supplemented by capacitively-coupled resistivity. The electrical methods allowed them to recognize geological settings, indicate possible fault locations, and point out the fault plane as a path of water flow. The ground penetrating radar method detected fractured and filled water areas and underground water paths in the dam’s forefield as a result of the method’s very high resolution. The high resolution seismic reflection method provided a clear and high resolution image of the relatively deep geological structure and verified a location and the run of the faults. In general, the complex geophysical-geological interpretation enabled classification of the unconsolidated/fractured zones associated with faults as a place where the erosion process is the most intense and can bring danger on the dam. Finally, it was confirmed that the area should be the subject of geophysical monitoring. View Full-Text
Keywords: water dam; hydrotechnical construction; geophysical methods; water flow water dam; hydrotechnical construction; geophysical methods; water flow
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MDPI and ACS Style

Gołębiowski, T.; Piwakowski, B.; Ćwiklik, M.; Bojarski, A. Application of Combined Geophysical Methods for the Examination of a Water Dam Subsoil. Water 2021, 13, 2981. https://doi.org/10.3390/w13212981

AMA Style

Gołębiowski T, Piwakowski B, Ćwiklik M, Bojarski A. Application of Combined Geophysical Methods for the Examination of a Water Dam Subsoil. Water. 2021; 13(21):2981. https://doi.org/10.3390/w13212981

Chicago/Turabian Style

Gołębiowski, Tomisław, Bogdan Piwakowski, Michał Ćwiklik, and Antoni Bojarski. 2021. "Application of Combined Geophysical Methods for the Examination of a Water Dam Subsoil" Water 13, no. 21: 2981. https://doi.org/10.3390/w13212981

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