Valuation and Prioritization of Inter- Basin Water Transfer Risks Using AHP and COPRAS Method (Case Study: Dez to Qomroud)

Authors
1 Associate Professor, Department of Environmental Planning and Design, Environmental Sciences Research Institute, Shahid Beheshti University, Tehran
2 PhD Student, Environmental Science Research Institute, Shahid Beheshti University, Tehran, Major: Environmental Science and Engineering
3 PhD Student, University of Tehran, Major: Environmental Engineering_Water Resources
10.22034/eiat.2025.217699
Abstract
Due to its location in the center of the country, increasing population and having a dry and semi-arid climate, Qom province is facing the challenge of water scarcity. To solve this problem, the water transfer project between the basins from Dez to Qomroud tributaries was implemented. The purpose of this research is to evaluate and prioritize the risks of inter-basin water transfer in Dez to Qamroud region. For this purpose, at first, the criteria and sub-criteria were identified by studying the sources and background of the research. In total, 4 criteria including technical risks and difficulty of implementation, political and social problems, environmental problems and the cost of each cubic meter of water and 23 sub-criteria were selected based on UNESCO standards. For weighting the criteria and sub-criteria, hierarchical method (AHP), Dimtel, Shannon entropy and fuzzy hierarchy were used and to rank these criteria due to the lack of data for the sub-criteria and due to their quality, the criteria and sub-criteria except for the price Each cubic meter was selected by the non-hierarchical process of the COPRAS technique. The opinions of 30 experts were used to weight the criteria and sub-criteria and they were asked to rate only the weight of the general criteria by considering the small criteria and their impact on the main criteria. During the construction of the pipeline and tunnel, geological problems and sealing of the tank rank second, the risks of allocating water demand, water transmission sources in some areas have the third rank.
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