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Robust Flood Risk Management Strategies Through Bayesian Estimation and Multi-objective Optimization


Management and control of flood hazards, the most frequent natural disaster worldwide, has become a greater challenge due to the increasingly unpredictable precipitation and runoff due to climate change. As many rural areas in Iran are vulnerable to flash floods occurring mainly in the spring, more accurate plans are needed to help reduce the risk of related damage. To address this concern, a robust methodology using multi-objective optimization is proposed, which incorporates the large uncertainties in the modeling parameters defining the risk of flooding. The proposed framework has been implemented in the upper catchment of the Taleghanrood river in the Taleghan district in Iran, which is vulnerable to flooding. The results provide a detailed performance assessment of alternative infrastructure designs, which will help to increase the efficiency of flood management strategies. The optimization uses multi-criteria optimization evolutionary algorithms (MOEA) and Bayesian estimation concepts. The resulting specific design plans, as levees’ height increases over a 50-year time horizon, for controlling floods under given scenarios reflect the uncertainty in the parameters.

Graphic Abstract

Article Highlights

  • A robust decision making model has been developed to address flood management scenarios.

  • The proposed methodology addresses deep uncertainties in decision parameters.

  • Sensitivity analysis of the plausible scenarios and discovers vulnerable scenarios has been done.

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adapted from Hosseini et al. 2012)

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All data generated or analyzed during this study are included in this published article.


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Correspondence to Mohammad Hossein Niksokhan.

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Sobhaniyeh, Z., Niksokhan, M.H., Omidvar, B. et al. Robust Flood Risk Management Strategies Through Bayesian Estimation and Multi-objective Optimization. Int J Environ Res 15, 1057–1070 (2021).

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  • Robust optimization
  • Uncertainty analysis
  • Flood risk control
  • Deep uncertainty
  • Bayesian estimation