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Geophysical investigations covering vertical electrical sounding (VES) has been employed in Nagapattinam and Karaikal coastal aquifers to isolate the subsurface saline water intrusion. A total of 32 soundings using Wenner configuration were attempted and data were processed using IPI2WIN software. The investigations demarcated subsurface lithology intruded by saline water on the basis of resistivity...
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