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Article

Innovative Hydrogeophysical Approaches as Aids to Assess Hungarian Groundwater Bodies

1
MTA-ME Geoengineering Research Group, University of Miskolc, H-3515 Miskolc-Egyetemváros, Hungary
2
Indian Institute of Technology, Department of Earth Sciences, Roorkee 247667, India
3
MTA CSFK, Geodetic and Geophysical Institute, P.O. Box 5, H-9401 Sopron, Hungary
*
Author to whom correspondence should be addressed.
Appl. Sci. 2021, 11(5), 2099; https://doi.org/10.3390/app11052099
Submission received: 8 January 2021 / Revised: 9 February 2021 / Accepted: 22 February 2021 / Published: 26 February 2021
(This article belongs to the Section Earth Sciences)

Abstract

The Hungarian water management plan has lately identified 185 groundwater bodies based on the concepts given by the European Water Framework Directive. Achieving and maintaining the good quantitative and chemical status of these groundwater bodies is of primary importance. It is demonstrated how innovative hydrogeophysical methods can be applied successfully to assess the Hungarian or other international groundwater bodies. By applying geoelectric methods, horizontal layering or large uniform rock units can be well characterized by Wenner–Schlumberger array, also enabling accurate depth determination of the shallow groundwater table. Horizontal variations in the rock type or its state can be well described by dipole–dipole array or, even better, by the newly developed quasi-null arrays. Their joint application may be very straightforward to investigate different aquifer types by giving high-resolution resistivity images as input for hydrogeological modeling. In the identification of porous formations, multivariate statistical interpretation of wireline logs using cluster analysis allows reliable lithological separation of potential aquifers. Their clay content is estimated by robust factor analysis, while their hydraulic properties are directly derived from the resistivity log. For a more effective interpretation, a combination of surface and borehole geophysical methods can be recommended for meeting challenges in hydrogeology and groundwater management.
Keywords: groundwater exploration; hydrogeophysics; quasi-null array; well logging; iteratively reweighted factor analysis; statistical modeling; Hungarian water management plan groundwater exploration; hydrogeophysics; quasi-null array; well logging; iteratively reweighted factor analysis; statistical modeling; Hungarian water management plan

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MDPI and ACS Style

Szűcs, P.; Szabó, N.P.; Zubair, M.; Szalai, S. Innovative Hydrogeophysical Approaches as Aids to Assess Hungarian Groundwater Bodies. Appl. Sci. 2021, 11, 2099. https://doi.org/10.3390/app11052099

AMA Style

Szűcs P, Szabó NP, Zubair M, Szalai S. Innovative Hydrogeophysical Approaches as Aids to Assess Hungarian Groundwater Bodies. Applied Sciences. 2021; 11(5):2099. https://doi.org/10.3390/app11052099

Chicago/Turabian Style

Szűcs, Péter, Norbert P. Szabó, Mohammad Zubair, and Sándor Szalai. 2021. "Innovative Hydrogeophysical Approaches as Aids to Assess Hungarian Groundwater Bodies" Applied Sciences 11, no. 5: 2099. https://doi.org/10.3390/app11052099

APA Style

Szűcs, P., Szabó, N. P., Zubair, M., & Szalai, S. (2021). Innovative Hydrogeophysical Approaches as Aids to Assess Hungarian Groundwater Bodies. Applied Sciences, 11(5), 2099. https://doi.org/10.3390/app11052099

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