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Balancing irrigation and hydropower: case study from southern Sri Lanka

This report analyzes a case from southern Sri Lanka, where the Samanalawewa dam and the Kaltota Irrigation Scheme (KIS) compete for the water of the Walawe river. At the catchment level, it is shown that dam releases are well attuned to the needs of KIS and to the occurrences of natural runoff, and...

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Main Authors: Molle, Francois, Jayakody, Priyantha, Ariyaratne, Badugodahewa Ranjith, Somatilake, H.S.
Format: Informe técnico
Language:Inglés
Published: International Water Management Institute 2005
Subjects:
reservoirs
dams
hydroelectric schemes
economic analysis
canals
irrigation scheduling
cropping systems
case studies
Online Access:https://hdl.handle.net/10568/39881
Summary:This report analyzes a case from southern Sri Lanka, where the Samanalawewa dam and the Kaltota Irrigation Scheme (KIS) compete for the water of the Walawe river. At the catchment level, it is shown that dam releases are well attuned to the needs of KIS and to the occurrences of natural runoff, and that little of the dam water is "lost" to the river.

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