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Abstract

The watershed dams water harvesting establishment is a complex decision-making process due to the existence of several critical factors on which the project is based adopted. Such complexity renders consideration for the priority scale of development, especially when the project considers several possible sites against a plethora of criteria. These criteria may be of a technical, economic, social, cultural, environmental, legal, and political nature, thereby increasing the complexity of the framework under which the decision has to be made. Appropriate solutions for the challenge have to consider Multi-Criteria Decision-Making (MCDM) approaches. MCDM is defined as an organized approach to decision-making designed to help in site selection from amongst alternative feasible sites based on a range of criteria. Most of the prominent MCDM methods used over the literature are including Analytic Hierarchy Process (AHP), Weighted Linear Combination (WLC), Fuzzy logic (FL), Boolean Methods, Technique for Order Preference by Similarity to Ideal Solution (TOPSIS). The MCDM methods represent a different strategy of integration and analysis of multi-dimensional criteria that influence the choice of the dam site. The advantages of the MCDM methods are not only help to undertake a detailed study of priorities for the construction of the dam; however, they devise a methodological approach to the selection of the most appropriate location of dams for their construction. The present survey exhibited and evaluated all the conducted researches to rank the dam construction projects using the MCDM methods. This review provides an comprehensive assessment and evaluation for the literature and recognizes the opportunities for the improvement of the MCDM methods effectiveness under complex dam site selection problems. The survey is expected to contribute toward refining strategic decision-making processes required for sustainable infrastructure development.

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