Bharti, Abhay Kumar and Singh, K.K.K. and Singh, P.K. and Prakash, Amar and Tiwary, R.K. (2019) Groundwater prospecting by the inversion of cumulative data of Wenner–Schlumberger and dipole–dipole arrays: A case study at Turamdih, Jharkhand, India. Journal of Earth System Science, 128 (4). p. 107. ISSN 0253-4126

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The present study deals with groundwater prospecting in hardrock terrain. Initially, the Wenner–Schlumberger array and the dipole–dipole array data have been acquired using Syscal Junior Switch-48. Furthermore, data acquired using both arrays have been merged using Prosys-II data handling software for the inversion of the cumulative data for possible mapping of water-bearing fracture rock masses with different structural distribution in a complex geological environment. The data have been analysed using RES2DINV software, based on the smoothness constrained least-square technique. Two numbers of 2D electrical resistivity tomography profiles (AA′′ and BB′′) have been selected over an official colony of the Turamdih uranium mine for groundwater prospecting, which is located at about 24 km west of Jaduguda, Jharkhand, India. High-resistivity features associated with a dyke-like structure have been delineated in both the profiles. Three low-resistivity features have been delineated as water saturated alluvium/aquifers in profile AA′′. A low-resistivity feature associated with the water-saturated fracture zone has been identified in profile BB′′, which is well correlated with the surficial location of an ephemeral channel at the bottom of the hill across the slope. It is observed that geoelectric sections generated by the inversion of cumulative data of both arrays provide superior results compared with the Wenner–Schlumberger and dipole–dipole arrays, separately.

Item Type: Article
Uncontrolled Keywords: ERT Wenner–Schlumberger dipole–dipole inversion of cumulative data groundwater prospecting
Subjects: Envieronmental Management Group
Depositing User: Mr. B. R. Panduranga
Date Deposited: 09 Apr 2019 04:39
Last Modified: 09 Apr 2019 04:39

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