Author : Muruganandam. K 1
Date of Publication :6th July 2017
Abstract: Artificial groundwater recharge plays a crucial role in managing groundwater resources sustainably. Spatial variations in groundwater quality have been studied in different parts of India using the technique of geographic information system (GIS). GIS, a tool used to store, analyze and display spatial data, is also used to investigate information regarding groundwater quality. Water samples from 76 of the bore wells and open wells covering the specific regions of India. The water samples have been analyzed for physico-chemical parameters such as TDS, TH, Cland NO3-, using standard laboratory techniques and compared to standards. For all of the above parameters the groundwater quality information maps of the entire study area were prepared using GIS spatial interpolation technique. The results obtained in this research and the GIS geographic framework is helpful in tracking and controlling groundwater emissions in the study area. In terms of water quality, mapping was coded for drinking areas, in the absence of better alternative supply and non-potable zones in the study area. Thematic layers for the delineation of artificial groundwater recharge areas is incorporated into ArcGIS. Based on their influence on groundwater recharge, the recharge map thus obtained was divided into four zones (poor, moderate, good, and very good).
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