Artificial Recharge in Multiaquifers of a Mountainous Watershed
Publication: Journal of Hydrologic Engineering
Volume 14, Issue 3
Abstract
In the layered aquifers of a mountainous watershed, multiple finite aquifer extents open to an overlying surface soil layer. In such a hydro-geological setup, interflow characteristics have a scope for research, in view of the fact that the normal scheme of rainfall-runoff modeling does not cater to interdependent flow situations. To study the interflow characteristics in the above multiaquifer setup of a mountainous watershed, a study area in the Maharashtra state of India has been examined. The three-dimensional groundwater flow algorithm MODFLOW has been used to develop the base case model, incorporating observed subsurface flow conditions. The objective is to study the behavior of artificial recharge techniques, such as percolation tanks and recharge wells, in an unusual flow condition of a mountainous watershed. Results of the analysis indicate that the interflow followed an integrated and continuous hydraulic gradient across multiaquifers. Finite aquifer extents supplement the recharge and discharge processes. These findings could be useful in planning artificial recharge schemes.
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Acknowledgments
The writers express their gratitude to the Groundwater Survey and Development Agency, Pune, India for extending data support for this paper. They are also grateful to World Bank aided Hydrology Project office, New Delhi and National Institute of Hydrology, Roorkee, India for funding the R&D project. Assistance from Dr. B. K. Purandara, Dr. S. K. Singh, and Mr. G. Babu is gratefully acknowledged.
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Information
Published In
Journal of Hydrologic Engineering
Volume 14 • Issue 3 • March 2009
Pages: 215 - 222
Copyright
© 2009 ASCE.
History
Received: Mar 2, 2007
Accepted: Nov 18, 2008
Published online: Mar 1, 2009
Published in print: Mar 2009
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