Abstract
AbstractThis research summarizes the results of integrating GIS with electric resistivity methods to draw awareness to the significance, understanding and improving groundwater governance and management. Schlumberger Vertical Electrical Sounding (VES), the electric resistivity method was selected to examine earth's sub-layers in the selected zone. Later, the collected resistivity data was explicated by IPI2WIN software to establish Earth’s subsurface zones of different regions such as top soil, weathered rocks, first and second fractured layers. The results obtained from geophysical method were exported to GIS software for identifying the most favourable and favourable groundwater-potential areas. In Palani taluk, most of the groundwater potential zones falls under hornblende-biotite gneiss. In Palani taluk 25.51 Km2 area was covered with the most favourable groundwater zones and 31.32 km2 was covered with favourable groundwater potential zone. The result showed that the integration of GIS and the method of electrical resistivity can be effectively used for categorizing potential groundwater areas. By using proper water recharge arrangements, the areas of the most favourable and favourable zone can be made more capable of accumulating more groundwater. This research can be useful to identify either to build or avoid constructing recharge structure in selected area. These results are useful to develop, monitor and manage groundwater resources in different hydro-geological environments.KeywordsGISVES surveyHydrologyFractured zoneGroundwater potential areas
Published Version
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