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What is Aquifer Mapping?
Aquifer mapping is a multi-disciplinary holistic scientific approach for aquifer characterization. It leads to aquifer-based groundwater management.
Mapping of aquifers helps determine the quantity and the quality of groundwater in a particular area, including:
Vertical and lateral extent of aquifers
Depth to water level/ piezometric surface in the aquifers
Productivity of the aquifers
Concentration of various chemical constituents in groundwater in different aquifers
Current stage of groundwater development in various aquifers
Identification of recharge and discharge areas of the aquifer
Delineation of vulnerable areas with regard to exploitation and contamination
All such information is required to develop a strategy of sustainable groundwater management. The benefits of aquifer mapping include the following:
Identifying zones for drilling productive wells;
Understanding of aquifer vulnerability;
Identification of streams at risk for reduced base flows as a result of heavy groundwater use;
Formulation of effective aquifer management plans;
Identification of areas for groundwater development, rainwater harvesting and groundwater recharge;
Information sharing with stakeholders.