Optimal water resources allocation in watershed scale using system dynamics approach by VENSIM software

Jouyandeh Mahjoub Pour, Azam (2018) Optimal water resources allocation in watershed scale using system dynamics approach by VENSIM software. Masters thesis, University of Mohaghegh Ardabili.

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Abstract

Research Aim:The primary purpose of this research is to develop the operation policy for Sefid- Rud reservoir by applying different management scenarios in its water resources allocation. Research method:In this study, Sefid- Rud reservoir (Guilan, Iran) operation is simulated using system dynamics model in the Vensim software environment.Then five management scenarios has been designed to more accurate assessment of water resources allocation problem of this dam. Among them Discrete Phased and One point Hedging Rule have been used in Third Scenario and Bankruptcy theory in Fourth One. Findings: Management policies that have been proposed in the reservoir operation and their applying have been assessed based on three kinds of performance criteria including vulnerability, resiliency, and reliability. Applying methods For assessment of the system’s ability in supply different demands, amount and intensity of Domestic, Industry, agriculture and Environmental shortage has been computed. Because of presence some uncertainty in such surveys it has been made a new Scenario so five time series have been simulated in the Easy Fit software environment as input to the reservoir. Conclusion:The result showed that applying some methods in Scenarios improved sustainability indices and will decreaseenvironmental, domestic, industry, and agriculture shortage compared to the current status. Moreover result from 5TH Scenario depicted that there was a kind of consistencywith the real state. Finally the results indicated that proposed methods were practical in reservoir operation.

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