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Article

Geophysical Characterization of Aquifers in Southeast Spain Using ERT, TDEM, and Vertical Seismic Reflection

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Departamento de Geología, EPS de Linares y CEACTEMA, Universidad de Jaén, Campus Científico Tecnológico, 23700 Linares, Jaén, Spain
2
Departamento de Ingeniería Mecánica y Minera, EPS de Linares y CEACTEMA, Universidad de Jaén, Campus Científico Tecnológico, 23700 Linares, Jaén, Spain
3
Everest Geophysics SL, 28270 Colmenarejo, Madrid, Spain
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Geophysicist in ElGeo Ltd., Petrovskaya Kosa, 1, 190000 St. Petersburg, Russia
5
Zond Software Ltd., 8010 Paphos, Cyprus
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(20), 7365; https://doi.org/10.3390/app10207365
Received: 29 July 2020 / Revised: 16 October 2020 / Accepted: 17 October 2020 / Published: 21 October 2020
We assess the effectiveness of complementary geophysical techniques to characterize a Jurassic dolomite confined aquifer at Loma de Ubeda, Spain. This aquifer, which is penetrated by wells in the 100–600-m depth range, is confined by Triassic clays (bottom) and Miocene marls (top). The Jurassic dolomite is characterized by prominent seismic reflectors of high amplitude. Thus, it is readily differentiated from the low-amplitude reflectors of the confining clay-rich Triassic and Miocene materials. Electrical resistivity tomography (ERT) allowed us to detail the characteristics of the aquifer up to a maximum depth of 220 m. Lateral changes in facies and small faults have been identified using ERT. Time-domain electromagnetic (TDEM) is an excellent complement to the two above-mentioned techniques in order to widen the analyzed depth range. We acquire TDEM data with different configurations at multiple study sites while simultaneously varying measurement parameters. In doing so and by comparing the effectiveness of these different configurations, we expand the use of TDEM for aquifer characterization. View Full-Text
Keywords: Jurassic dolomite aquifer; seismic reflection; electrical resistivity tomography; time-domain electromagnetic; loma de Úbeda; Spain Jurassic dolomite aquifer; seismic reflection; electrical resistivity tomography; time-domain electromagnetic; loma de Úbeda; Spain
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MDPI and ACS Style

Rey, J.; Martínez, J.; Mendoza, R.; Sandoval, S.; Tarasov, V.; Kaminsky, A.; Hidalgo, M.C.; Morales, K. Geophysical Characterization of Aquifers in Southeast Spain Using ERT, TDEM, and Vertical Seismic Reflection. Appl. Sci. 2020, 10, 7365. https://doi.org/10.3390/app10207365

AMA Style

Rey J, Martínez J, Mendoza R, Sandoval S, Tarasov V, Kaminsky A, Hidalgo MC, Morales K. Geophysical Characterization of Aquifers in Southeast Spain Using ERT, TDEM, and Vertical Seismic Reflection. Applied Sciences. 2020; 10(20):7365. https://doi.org/10.3390/app10207365

Chicago/Turabian Style

Rey, Javier, Julián Martínez, Rosendo Mendoza, Senén Sandoval, Vladimir Tarasov, Alex Kaminsky, M. C. Hidalgo, and Kevin Morales. 2020. "Geophysical Characterization of Aquifers in Southeast Spain Using ERT, TDEM, and Vertical Seismic Reflection" Applied Sciences 10, no. 20: 7365. https://doi.org/10.3390/app10207365

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