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Vertical Electrical Sounding (VES) for Estimation of Hydraulic Parameters in the Porous Aquifer

Departamento de Engenharia Civil e Ambiental, Faculdade de Tecnologia, Universidade de Brasília, 70910-900 Brasília, Brazil
Faculdade UnB Planaltina, Universidade de Brasília, 73345-010 Planaltina, Brazil
Author to whom correspondence should be addressed.
Water 2021, 13(2), 170;
Received: 25 November 2020 / Revised: 7 January 2021 / Accepted: 8 January 2021 / Published: 13 January 2021
Similarities in both water and electric current flows allow the relation of hydraulic and geoelectric parameters of porous aquifers. Based on this assumption and the importance of the hydraulic parameters for groundwater analyses, this study aimed to estimate hydraulic conductivity (K) and transmissivity (T) with vertical electrical sounding (VES) in the porous aquifer at the experimental farm of the University of Brasilia, Brazil. VES is a geophysical technique that provides electrical resistivity (ρ, Ω m) and thickness (h) of the subsurface layers. The ρ and h aquifer data, associated with lithology, water table level (WTL), and groundwater electrical resistivity (ρw, Ω m), allowed the calculation of complementary geoelectric parameters (formation factor, F, and Dar Zarrouk parameters) and the relation with K and T, determined via slug test. VES data allowed the elaboration of geoelectric models, with mean absolute percentage error (MAPE) below 6% compared to field data, and the identification of the aquifer in each VES station. Significant exponential regression models (R2 > 0.5 and p-value < 0.05) showed the possibility of using geoelectric parameters to estimate hydraulic parameters. This study allowed the verification of the applicability of consolidated models and the identification of appropriate empirical relationships for hydrogeological characterization in the Brazilian tropical porous aquifers. The results of this work, besides the rapid sampling and low cost of performing vertical electrical sounding (VES), may justify the use of this geophysical technique for preliminary porous aquifer characterization, especially in regions absent of or with insufficient monitoring wells. View Full-Text
Keywords: electrical resistivity; hydraulic conductivity; transmissivity; Brazil electrical resistivity; hydraulic conductivity; transmissivity; Brazil
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MDPI and ACS Style

de Almeida, A.; Maciel, D.F.; Sousa, K.F.; Nascimento, C.T.C.; Koide, S. Vertical Electrical Sounding (VES) for Estimation of Hydraulic Parameters in the Porous Aquifer. Water 2021, 13, 170.

AMA Style

de Almeida A, Maciel DF, Sousa KF, Nascimento CTC, Koide S. Vertical Electrical Sounding (VES) for Estimation of Hydraulic Parameters in the Porous Aquifer. Water. 2021; 13(2):170.

Chicago/Turabian Style

de Almeida, Andreia, Daiane Ferreira Maciel, Karen Félix Sousa, Carlos Tadeu Carvalho Nascimento, and Sérgio Koide. 2021. "Vertical Electrical Sounding (VES) for Estimation of Hydraulic Parameters in the Porous Aquifer" Water 13, no. 2: 170.

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