Assessment of an Underground Dams Site Selection in İZMİR Province by Using MAIRCA and EDAS Methods

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Abstract
Underground dam site selection is the process of selecting locations for dams constructed for the storage and management of groundwater to ensure the sustainable use of water resources. Underground dams store groundwater by utilizing underground aquifers, enabling more efficient and effective utilization of water resources. Particularly, the importance of underground dams has been observed to increase with global warming. They play a crucial role in various aspects, especially during periods of drought, in meeting agricultural irrigation and drinking water needs, among others. The construction of underground dams requires the simultaneous consideration of numerous criteria, thus turning the construction process into a decision-making problem. This decision problem is referred to in the literature as a multi-criteria decision-making (MCDM) problem. In this study, the site selection problem for a underground dam to be established in the province of Izmir has been addressed. In the problem at hand, there are five different alternatives consisting of districts within the province of Izmir and ten different criteria. These criteria and alternatives were determined by experts. In the study, the weights of the criteria were determined using the MAIRCA method, and the EDAS method was used for the selection of alternative locations. As a result of the study, Kınık district was identified as the most suitable alternative among the selected districts.

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