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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/38554

Title: Structure of a complex carbonate aquifer by magnetic, gravity and TDEM prospecting in the Jaén area, Southern Spain
Authors: Ruiz-Constán, A.
Pedrera Parias, Antonio
Martos-Rosillo, Sergio
Galindo Zaldívar, Jesús
Martín-Montañés, Crisanto
González de Aguilar, J. P.
Issue Date: 2015
Abstract: Knowledge of aquifer geometry is essential for efficient and sustainable groundwater management, particularly in carbonate aquifers due to uncertainties inherent to karstic systems. The geological structure and hydrogeological continuity of Los Chotos-Sazadilla-Los Nacimientos and La Serreta-Gante-Cabeza Montosa carbonate aquifers (Jaén; SE Spain) have been established through structural measurements, geophysical prospecting –magnetic, gravity and time-domain electromagnetics (TDEM)– and the study of piezometric levels. Yet the scarce hydrogeological data, the complexity of the tectonic structure and the presence of Plio-Quaternary rocks covering the highly permeable carbonate rocks make it difficult to establish a robust conceptual hydrogeological model of the aquifer. This study focuses on an area where hydrogeological disconnection between the two aquifers was traditionally assumed, given the diapiric emplacement of low permeable rocks between them. The new geophysical data demonstrate connection between aquifers that implies greater groundwater reserves than previously supposed. This field example supports the suitability of the combined use of electromagnetic methods with gravity and magnetic research that have been poorly combined up to recent times for hydrogeological studies.
Sponsorship: This work was financed by the Diputación Provincial de Jaén and through the project CGL-2010-21048, and the Junta de Andalucía group RNM148 and P09-RNM-5388.
Publisher: Universidad de Barcelona
Keywords: Carbonate aquifer
Potential field research
Electromagnetic prospecting
Betic Cordillera
Groundwater resources
Hydrogeological continuity
URI: http://hdl.handle.net/10481/38554
ISSN: 1695-6133
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Ruiz-Constán, A.; et al. Structure of a complex carbonate aquifer by magnetic, gravity and TDEM prospecting in the Jaén area, Southern Spain. Geologica Acta, 13(3): 191-203 (2015). [http://hdl.handle.net/10481/38554]
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