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Hydrogeological and Geophysical Characterization of Fractured Aquifer of Òdena (Barcelona, Catalunya)Normal access

Authors: M. Himi, D. Rodríguez-Fernández, A. Folch, R. Lovera, C. Domènech, M. Rosell, L. Rivero, N. Otero, J. Palau, D. Fernàndez-Garcia, A. Casas and A. Soler
Event name: 23rd European Meeting of Environmental and Engineering Geophysics
Session: Monitoring and Characterization of the Shallow Subsurface A
Publication date: 03 September 2017
DOI: 10.3997/2214-4609.201702052
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.23Mb )
Price: € 20

Summary:
The results of the geophysical survey reflects the presence of heterogeneity distribution of electrical resistivity values. This allowed to delimit the geometry of the three layers, as indicated by borehole logging. At the same time, it has been possible to highlight several zones with low electrical resistivity values in the central part of some profiles. These have been considered as fractured areas. In many cases, these areas of low resistivity fractures coincide with areas where the wells have registered low values of the electrical conductivity. This fact reveals the effect as preferential flow areas that have these fractures throughout the circulation system of the contaminant.


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