Cost-effective Approaches for Sustainable Groundwater Management in Alluvial Aquifer Systems |
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Authors: | Madan K Jha Y Kamii K Chikamori |
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Affiliation: | (1) AgFE Department, Indian Institute of Technology, Kharagpur, 721 302, India;(2) Faculty of Agriculture, Kochi University, Otsu 200, Nankoku-shi, Japan |
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Abstract: | The consequences of unsustainable use of groundwater are becoming increasingly evident worldwide, particularly in developing
nations. Groundwater management is a serious problem in many parts of the world. The prime concern is how to achieve groundwater
sustainability. Artificial recharge techniques coupled with water harvesting hold a great promise for groundwater sustainability.
The main intent of this paper is to highlight salient cost-effective and easy-to-use methods for augmenting groundwater resources
in the alluvial hydrogeologic setting. Based on the intensive field investigation in a groundwater basin of Japan, three low-cost
and easy-to-implement recharge techniques are suggested for alluvial aquifer systems, viz., augmentation of river flow, recharge
through irrigation/drainage canals, and recharge from paddy fields. The source of recharge water for these recharge techniques
is surface water supply. The efficacy of these methods or approaches has been demonstrated. It is emphasized that such cost-effective
methods of groundwater recharge are key to sustainable groundwater management in both developing and developed countries.
These methods must not be overlooked in the midst of sophisticated and highly expensive methods. |
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Keywords: | Artificial recharge Cost-effective recharge methods Alluvial aquifer systems Groundwater– surface water interaction Groundwater management |
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