Application of Multi-Criteria Decision-making Methods in Environmental Risk Assessment Studies of Yasuj Tang-E-Sorkh Dam during Construction Phase

Document Type : Research Paper

Authors

1 Department of Environment, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.

2 Associate Professor, Department of Environment, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.

Abstract

Dam construction has a long history in Iran. Nowadays, it seems to be the only solution to the drought crisis in the country; a method that has been abandoned in many countries, especially developed countries (Mohtashemi et al., 2014). Dam construction projects are more risky than other projects because they require high costs and complex spatial conditions (Shul and Fathizadeh, 2009). Today, in order to control, eliminate, or minimize the risks and risks to humans in the surrounding environment, special techniques and tools are designed (Jozi et al., 2012). Multi-criteria decision-making methods are a reliable tool for risk assessment and risk ranking (Mohammad Moradi, and Akhtrakavan, 2009). TOPSIS method is one of the most popular multi-criteria decision-making techniques (MCDM) (Manochehri & Shieh, 2013; Hsu et al., 2010). Therefore, it is obligatory to take steps to prepare for these risks before confronting them. Tang-e-Sorkh Yasouj Dam is aimed at exploiting maximum water resources of Bashar River and its branches to develop agriculture and irrigation. As this dam is under construction, in this research we try to prioritize the risks using the TOPSIS method based on three indicators of (risk intensity, the probability of occurrence and range of contamination).

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Main Subjects


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Volume 43, Issue 3
October 2020
Pages 101-115
  • Receive Date: 25 December 2017
  • Revise Date: 22 November 2018
  • Accept Date: 27 November 2018
  • First Publish Date: 22 September 2020