Over-exploitation of an alluvial aquifer in Gujarat,India |
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| Authors: | N B KAVALANEKAR S C SHARMA K R RUSHTON |
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| Institution: | 1. Gujarat Water Resources Development Corporation , Gandhinagar, 382010, India;2. School of Civil Engineering, University of Birmingham , Edgbaston, Birmingham, B15 2TT, UK |
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| Abstract: | Abstract Over-exploitation of an alluvial aquifer in India has occurred since tubewells were drilled into deeper aquifers. Field information concerning-the fall in both the water table and the piezometric heads in the deeper aquifers has been examined and a numerical model has been developed to represent a heavily exploited area. Predictions using the model suggest that the annual declines in the water table and the piezometric heads are accelerating as the water table moves into a zone having a lower specific yield. Careful monitoring of the movement of the water table is proposed. |
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