Analysis of issues in sustainable water management of irrigation systems: case of a developing country
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Date
2021
Authors
Sirimewan, D.C.
Mendis, A.P.K.D.
Rajini, D.
Samaraweera, A.
Manjula, N.H.C.
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Built Environment Project and Asset Management, 2021; 11(4):529-543
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Purpose – Sustaining the irrigated agriculture, while conserving the natural eco-system, are the two main objectives of sustainable water management (SWM) in irrigation. Achieving both the objectives simultaneously is a complex task in most developing countries. This requires a holistic approach of understanding the issues in irrigation water management (IWM) from social, economic and environmental perspectives. Therefore, this paper aims to analyse the issues towards the SWM of irrigation systems in Sri Lanka to help maintain a stable relationship between the aforementioned two objectives.Design/methodology/approach – Qualitative interview survey was selected as the research strategy to achieve the research aim. 16 semi-structured interviews were conducted with experts in IWM sector to collect data in the Sri Lankan context. Data were analysed using code-based content analysis, based on directed approach. Findings – Findings revealed the issues in SWM in terms of efficiency of irrigation infrastructure; equity of water distribution; environmental integrity and economic acceptability. Most of the issues were related to the inefficiency towards SWM of irrigation systems. Conflicts among water users, especially the people in downstreams aggravated the problem of equity of water sharing. Depletion of groundwater and water logging were the major issues towards environmental integrity. Loss of water happened due to the issues in different irrigation infrastructure components hindering economic acceptability. Originality/value – Theoretical contribution includes an analysis of issues in IWM from a sustainability perspective. Practical implications include an overview of deficiencies in the SWM to generate appropriate strategies to achieve sustainability for decision-makers such as policymakers in the irrigation sector in developing countries similar to Sri Lanka.
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Copyright 2020 Emerald
Access Condition Notes: Accepted manuscript available on open access