Your search found 2 records
1 Kleyn, G.; Luttrell, T. (Eds.) 2011. Water: our future - an FDI landmark study. Perth, Australia: Future Directions International (FDI). 72p.
Water management ; Water scarcity ; Water stress ; Water avilability ; Water supply ; Food production ; Aquifers ; Desalinization ; Runoff ; Case studies ; Water security ; Risks ; International waters ; Economic aspects / Asia / Europe / Africa / Middle East / Australia / New Zealand / USA / India
(Location: IWMI HQ Call no: 333.91 G000 KLE Record No: H044671)
2 Weragala, N.; Kaluarachchi, J.; Smakhtin, Vladimir. 2011. Improving water resources management in rural river basins under competing demands: a case study from the Walawe River Basin, Sri Lanka. Paper submitted to the 4th International Perspective on Water Resources and the Environment (IPWE) 2011 Conference, Singapore, National University of Singapore, 4-6 January 2011. 11p.
Water management ; Water resources ; Water demand ; Case studies ; Irrigated farming ; River basins ; Developing countries ; Water use efficiency ; Crop production ; Bananas ; Rice ; Water power ; Water avilability ; Irrigation / Sri Lanka / Walawe River Basin
(Location: IWMI HQ Call no: e-copy only Record No: H044681)
(0.40 MB)
Irrigated agriculture plays an important role in achieving food security in developing countries. As competition for water increases, water transfers from agriculture to other water use sectors should be approached in a scientific manner. Improvements of water use efficiency in agriculture and the optimal water allocation among competing users are seen as feasible solutions to this problem. In situations where water demand exceeds the supply, a holistic management policy is required. This work analyses a rural river basin, the Walawe River Basin in Sri Lanka, where different users face supply shortages while up to 44% of water is still available for use in the basin. The study analyses how the variability in supply and demands can lead to water shortages in the basin. Several demand management scenarios are analyzed to evaluate the effects of irrigation efficiency increase and hydropower production mode on the overall water supply-demand situation. The results provide valuable information for formulating management practices and policies.
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