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The stabilization value of groundwater: evidence from Indian tank irrigation systems

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Title The stabilization value of groundwater: evidence from Indian tank irrigation systems
 
Creator Kuppannan, Palanisami
Giordano, Mark
Kakumanu, Krishna Reddy
Ranganathan, C.R.
 
Subject water management
groundwater
irrigation systems
water tanks
models
tamil nadu
 
Description Groundwater is now a major source of agricultural water supply in many parts of the world. The value of groundwater as a new source of supply is well known. However, its additional buffering or stabilization value is less appreciated and even less analysed. Knowledge on groundwater?s stabilization value is advanced by developing and estimating an empirical model using the case of tank irrigation systems in Tamil Nadu, India. Unlike previous work, the model uses cross-sectional rather than time-series data. The results show that for the case-study region, the stabilization function added approximately 15% to supply value. Scenarios with surface water and electricity price were incorporated in the model. Increased surface-water supply and electricity price caused reduction in groundwater use but the percent of stabilization value of groundwater increased. The findings are used both to suggest improvements in tank irrigation systems and to further contextualize knowledge of groundwater?s stabilization value.
 
Date 2012-08
2013-11-21T05:02:23Z
2014-02-02T16:39:50Z
2013-11-21T05:02:23Z
2014-02-02T16:39:50Z
 
Type Journal Article
 
Identifier Palanisami, Kuppannan; Giordano, Mark; Kakumanu, Krishna Reddy; Ranganathan, C. R. 2012. The stabilization value of groundwater: evidence from Indian tank irrigation systems. Hydrogeology Journal, 20(5): 933-941.
1431-2174
1435-0157
https://hdl.handle.net/10568/34552
https://doi.org/10.1007/s10040-011-0793-3
Land and Water Productivity
 
Language en
 
Rights Copyrighted; all rights reserved
Limited Access
 
Publisher Springer Science and Business Media LLC
 
Source Hydrogeology Journal