Geoelectrical resistivity survey for the evaluation of hydrogeological condition of Bagerhat Sadar and the adjacent areas, Bangladesh |
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| Authors: | Md Hasan Imam Delwar Hossain A S M Woobaid Ullah |
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| Institution: | 1. Department of Geological Sciences, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
2. Department of Geology, Dhaka University, Dhaka, Bangladesh
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| Abstract: | This study has been conducted to find out the aquifer characteristics of Bagerhat Sadar and adjacent areas in Bangladesh using geoelectrical resistivity method and borehole logs. The interpretation of resistivity soundings (14 nos.) shows that the sub-surface lithological sequence can be divided into four geoelectric units. The deepest geoelectric unit (with resistivity from 8 Ohm-m to 18 Ohm-m) represents the deep aquifer with usually fresh water. Resistivity values of 12 ?m or more for this unit may indicate formation water as acceptable for coastal people. In the study area, the shallow aquifer inferred is not suitable for groundwater development. |
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