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Multicriteria Decision Making in Water Resources Planning and Management using Fuzzy Sets

Alipour, Mohammad Hossein | 2010

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 40311 (09)
  4. University: Sharif University of Technology
  5. Department: Civil Engineering
  6. Advisor(s): Shamsai, Abolfazl
  7. Abstract:
  8. Water resources planning and management projects are done in order to accomplish several goals. Moreover, social, environmental, political etc impacts of such projects increase the complexity of the problem of choosing the best alternative among others. The project of diversion of water form Zab Watershed into Lake Urmia Watershed is one of these projects which regarding water demands and problems in Lake Urmia Watershed and also Zab Watershed water resources that exceed its water demands has been considered. Therefore, after conducting research studies, five locations have been determined as potential places to build a dam on the Zab River and transferring its water to Lake Urmia Watershed. The objective of the present study has been choosing the best alternative among these five alternatives using Multi-Criteria Decision Making (MCDM). Regarding the point that many of studies during recent years state that how to form the problem is what should be aimed when dealing with MCDM problems not making effort to develop new algorithms, the focus of the present study has been put on using fuzzy numbers qualities to consider uncertainty as much as possible when forming the decision matrix of transforming water into Lake Urmia Watershed. After constituting the decision matrix, regarding the type of the collected data, a method was developed that is able to accept diverse types of fuzzy numbers as inputs, provide a full ranking of alternatives, and be used in similar problems. Finally, four well-known MCDM techniques including PROMETHEE, EVAMIX, the method by Fu (2008), and Fuzzy Compromise Programming were used to solve the problem and their results were compared with those of the proposed method that indicates the third alternative and then the fifth one as the best ones.

  9. Keywords:
  10. Multicriteria Decision Making ; Fuzzy Numbers ; Water Resources Management ; Zab Watershed ; Lake Urmia Watershed ; Water Resources Planning

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