Modelling of ground water recharge-potential in the hard-rock Aravalli terrain,India: a GIS approach |
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| Authors: | C Bhuiyan Ramesh P Singh W A Flügel |
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| Institution: | (1) School of Environmental Studies, University of Delhi, Delhi, 110 007, India;(2) Department of Physics, Computational Science and Engineering, Chapman University, Hashinger, One University Drive, Orange, CA 92866, USA;(3) Friedrich Schiller University, 07743 Jena, Germany; |
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| Abstract: | Modelling of ground water recharge-potential in hard-rock areas principally aims at water-resource evaluation. Various techniques
are available to assess recharge-potential, and their capability in estimating recharge is also variable. However, the water
level fluctuation method is found capable in computing actual ground water recharge. Demarcation of ground water recharge-potential
zones in arid and semi-arid regions is of great importance for human survival and sustainable development. Remote sensing
and geographic information systems (GIS) techniques have been widely used by numerous researchers for qualitative assessment
of ground water potential of a basin or terrain. In the present study, a GIS-based water table fluctuation method has been
attempted for quantitative modelling of ground water recharge of the hard-rock Aravalli terrain. This GIS-based model is further
used to evaluate recharge-potential of the terrain by integrated assessment of infiltration capacity, normal rainfall, and
its cumulative frequency. |
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