Automatic determination of alternative landfill sites with analytical hierarchy process and geographical information systems: a case study in Sivas city

Due to the ongoing infrastructure projects in Turkey, it is estimated that the urbanization and population increase based on urbanization will increase. Therefore, the increase in the amount of solid waste will be inevitable. In this study, alternative landfills in Sivas, Central District, are determined automatically by using Analytic Hierarchy Process (AHP), one of Geographic Information System (GIS) and multi-criteria decision making methods, with a user interface developed. The weights of the criteria were calculated by AHP and the results were represented by the help of geographical analysis enabled by GIS depending on data of Sivas, Central District. In accordance with the results obtained, alternative landfills were proposed and the current location of the landfill was evaluated whether it is suitable or not