Site location of urban landfill (Case study: Mahallat city)

Increasing development of urban and population growth in theirs have been made the production of species municipal wastes، nowadays state of propulsion of these wastes، has become a major concern in the urban environment sustainable development. On the other hand، the problem of finding a suitable landfill due to multiple risk factors involved in this always has been including issues complex، high cost and time. This study aimed to determine the appropriate landfill sites in urban areas using GIS tools and functionality Analytical Hierarchy Process (AHP) has been implemented. In this paper، various factors such as distance from river line distance from fault، slope percent، type of land use and distance from the main road that are useful to the landfill site selection، had been considered in confine of Mahallat city. Then، for paired comparisons of dependent criteria and parameters were used from the knowledge of 100 experts in various fields، including environmental، government، natural resource and county municipality organizations in the form of questionnaires. After account and performance of the final weights on each of layers in GIS، modeling was performed in the form of the Analytical Hierarchy Process (AHP). Finally appropriate arenas of urban landfill sites based on availability of site pitch in the form of 5 stories from very well to very poor identified and were checked with field observations and the southeastern of Mahallat city was evaluated by area suitable for burial of urban waste.