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Article

Multi-Criteria Hydro-Economic Decision Tool for Rejuvenating Community Irrigation Tanks in Rural India

1
Earth and Environment Department, Florida International University, MM Campus, Miami, FL 33199, USA
2
College of Fisheries, Mangalore 575002, India
3
Private Farmer, Bhairumbe, Sirsi 581402, Karnataka, India
4
Department of Mines and Geology, Government of Karnataka, Bangalore 560001, India
*
Author to whom correspondence should be addressed.
Academic Editor: Krishna Paudel
Water 2021, 13(11), 1594; https://doi.org/10.3390/w13111594
Received: 13 April 2021 / Revised: 25 May 2021 / Accepted: 30 May 2021 / Published: 5 June 2021
Rising water scarcity in agriculture has been a major concern worldwide. As resource managers seek to address this issue, Integrated Water Resources Management (IWRM) has become a widely accepted sustainability paradigm. The purpose of this study is to evaluate restoration alternatives of irrigation tanks by applying multi-criteria and probabilistic benefit–cost analysis for a rural watershed in India. We incorporate the principles of local-IWRM, namely, hydrological balance, efficiency, equity, stakeholders’ involvement, and uncertainty. We use the mixed-method approach of data collection, including remotely sensed hydro-ecological data, walk-through field observations, focus groups, and household surveys. The study region produces a large percent of runoff water (i.e., about 67% of the total precipitation) which can be partially captured to sustain irrigation tanks. The majority of the tanks in the study area do possess moderate to high irrigation potential yet remain in poor conditions. A proposed lift irrigation scheme with a 75% or more increase in water availability could return from ₹ 1.23 to ₹ 1.73 on every Indian rupee (₹) invested, in addition to other socio-ecological benefits. The increase in water availability could lead to future crop area expansion, which comes with a high price tag. Therefore, using additional water on the existing crop area can be just as economically viable as water-induced crop expansion. A coordinated effort on the part of local agencies and water users is necessary for efficient and equitable use of incremental water that comes from any restoration efforts in the study area or elsewhere. View Full-Text
Keywords: IWRM; irrigation tanks; agriculture; multi-criteria; probabilistic benefit–cost analysis; runoff; India IWRM; irrigation tanks; agriculture; multi-criteria; probabilistic benefit–cost analysis; runoff; India
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MDPI and ACS Style

Charles, N.; Bhat, M.G.; Bhatta, R.; Hegde, K.M.; Hegde, G.V. Multi-Criteria Hydro-Economic Decision Tool for Rejuvenating Community Irrigation Tanks in Rural India. Water 2021, 13, 1594. https://doi.org/10.3390/w13111594

AMA Style

Charles N, Bhat MG, Bhatta R, Hegde KM, Hegde GV. Multi-Criteria Hydro-Economic Decision Tool for Rejuvenating Community Irrigation Tanks in Rural India. Water. 2021; 13(11):1594. https://doi.org/10.3390/w13111594

Chicago/Turabian Style

Charles, Nicholas, Mahadev G. Bhat, Ramachandra Bhatta, Krishna M. Hegde, and Ganapati V. Hegde 2021. "Multi-Criteria Hydro-Economic Decision Tool for Rejuvenating Community Irrigation Tanks in Rural India" Water 13, no. 11: 1594. https://doi.org/10.3390/w13111594

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