Geoelectric Imaging to Assess Aquifer Conditions in Raipur City, Chhattisgarh, India, Using Schlumberger Method
Authors
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Department of Applied Geology, National Institute of Technology Raipur, GE Road, Raipur - 492 010
K. C. Mondal -
Department of Applied Geology, National Institute of Technology Raipur, GE Road, Raipur - 492 010
D. C. Jhariya
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India Meteorological Department, National Centre for Seismology, New Delhi - 110 003
H. S. Mandal
DOI:
https://doi.org/10.1007/s12594-021-1795-yKeywords:
No KeywordsAbstract
Geoelectric imaging is carried out to assess aquifer conditions using Schlumberger soundings in Raipur city, Chhattisgarh, India. A total of 80 vertical electric soundings were conducted at different geological conditions for the entire study area. The layer parameters, resistivity, and thickness are obtained from the recorded field resistivity data through a 1-D sounding inversion software. Five geoelectric cross-sections along the east to the west, starting from north to south in the study area, are selected to overview sub-surface resistivity variation. Resistivity contour maps are prepared layer-wise for depth 10m, 30m, 50m, 70m, and 100m to understand sub-surface heterogeneity. The factor analysis technique was utilized to identify probable fracture zones. The obtained results may be useful to the researchers for pinpointing the drilling site for groundwater sustainable groundwater development and management by selecting artificial recharge sites, rainwater harvesting, and urban planning.
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