Groundwater Prospects in Basaltic formations of Mangaon, Raigad District from Electrical Resistivity Imaging Technique

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“…Electrical resistivity tomography is now being used worldwide for delineation of groundwater resources for various purposes such as groundwater exploration to meet water supply demand, dewatering of mines to prevents land slide and flood flash in mines, extraction of geothermal energy etc. (Krisnamurthy et al, 2006;Hamzah et al, 2006;Anthony and John, 2010;Kumar et al, 2011Kumar et al, , 2016Ratnakumari et al, 2012;Rai et al, 2013Rai et al, , 2015Rai et al, , 2019aRai et al, , 2019bGupta et al, 2016;Thiagarajan et al, 2018;Singh et al, 2019). The main advantages of geophysical electrical survey using multi-electrode ERT systems are: (1) fast computer controlled data acquisition for a single layout of multi-electrodes along the survey line; (2) simultaneous mapping of the geological formation in both vertical as well as lateral directions; and (3) increased resolution of the computed images of the subsurface geological formations due to processing of large amount of acquired data.…”