Management Strategies for a Seawater Intruded Aquifer System

Madhavi Ganesan, S. Thayumanavan


Groundwater flow and solute transport in the coastal aquifer of Chennai are simulated using the United States Geological Survey three dimensional model MODFLOW and MT3D and feasible groundwater pumping and recharge strategies are identified and quantified to control the seawater intrusion.. Steps involved in applying the theoretical model to the field conditions are explained in detail. The model is calibrated, tested and projected for the period 1976 – 82, 1983 – 1996 and 1997 – 2020 respectively. Response of the aquifer for various pumping and recharge patterns are presented.

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