IMPACT ASSESSMENT OF SALINE WATER INTRUSION IN THE COASTAL AQUIFER OF RAMANATHAPURAM DISTRICT USING GEOSPATIAL TECHNIQUES.
Journal Title: IJAR-Indian Journal of Applied Research - Year 2017, Vol 7, Issue 9
Abstract
Groundwater is the only replenishable natural resource available to man. Use of groundwater has been growing steadily over the years for domestic, agricultural and industrial purposes. Ramanathapuram district is one of the coastal areas is high tourism, salt pan and aqua cultural activities in sea water intrusion in the past three decades. Proper management of this vital resource needs special attention through continuous monitoring and identification of the problem area as well as delineation of safe zone. Groundwater quality is monitored spatially through GIS techniques. In the present study detailed investigation of water chemistry the 39 water sample collected from open well and bore well has been designed to assess the Groundwater status and to prepare the spatial distribution map for water quality parameters such as pH, EC, TDS, calcium, magnesium, sodium, potassium and chloride through Arc GIS environment. The data were used in the attribute table for preparing spatial distribution maps through IDW (Inverse Distance Weighting) interpolation techniques. Spatial distribution maps of each parameter were overlaid thematic maps and to find out the sea water intrusion affected areas. Also study has suggested suitable management planning strategies to improve the quality of groundwater.
Authors and Affiliations
S Venkateswaran, G. Panneer Selvam, M. Vijay Prabhu, G. Prithiviraj
Keywords
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