Site Selection for Underground Dams Construction Using GIS Techniques Case Study (Malayer Plain in The Hamedan Province)

One useful way in providing water in dry areas is to increase the amount of underground water resources. Construction of underground dams and optimum use of surface water are two ways for providing and developing water resource. The first and most important step in the construction of an underground dam is to identify suitable site for dam construction. In this study, after considering the results of onducted researches and examining basic information by using RS and GIS techniques the suitable site will be selected. It is remarkable to note that there are many factors which play important roles in selecting the suitable site; therefore the use of Analytical Hierarchy Process (AHP) will be very helpful to make a right decision. It should be noted that 27 suitable sites were identified in the initial stage. However, only 9 regional priorities that were introduced in the form of a map are given the priority ordering.