Impact assessment of rehabilitation intervention in the Gal Oya Left Bank [Sri Lanka].

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Amarasinghe, U. A.; Sakthivadivel, R.; Murray-Rust, H. 1998. Impact assessment of rehabilitation intervention in the Gal Oya Left Bank [Sri Lanka]. Colombo, Sri Lanka: International Irrigation Management Institute (IIMI). v, 23p. (IWMI Research Report 018 / IIMI Research Report 018)

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Assesses the impact of rehabilitation interventions on irrigation system performance using time series analysis. The study demonstrates that with proper impact specification and model identification, the nature and magnitude of the impacts of different interventions can be separated from the effects of simultaneous changes in dominant exogenous factors.

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