Abstract
Evaluating solid waste landfill site selection using multi-criteria decision analysis and geographic information systems in the city of Elazığ, Turkey
Highlights
The disposal of domestic solid wastes in sanitary landfills is handled as the most economical solution in many developing countries
Nine different criteria, namely distance from residential areas, distance from roads, distance from rivers, distance from spring wells, geology, slope, aspect, land capability classification and land use, were taken into consideration and their degrees of relative importance were defined via Multi-Criteria Decision Analysis (MCDA) and the schematic maps for each criterion were prepared with Geographic Information Systems (GIS) applications
The study results reveal that the landfill suitability index values for the selected site range between 2.64 and 6.10
Summary
The disposal of domestic solid wastes in sanitary landfills is handled as the most economical solution in many developing countries. The selection of a suitable landfill site for this purpose emerges as a major issue in solid waste management This is a relatively complex and exhausting process that requires consideration of several social, environmental, technical and economic factors. Due to the possibility of effecting biophysical and ecological systems, the environmental factors for disposing solid wastes have become a more important issue [1],[2] In this regard, a sanitary landfill site should not basically cause the pollution of soil, surface and subsurface water resources [3]. The landfill site selection process for waste disposal should follow certain official laws and regulations, which usually include various complex requirements This can be overcome with the use of GIS techniques [4],[5]. The integration of GIS and Analytical Hierarchy Process (AHP) is an effective tool for the solution of solid waste site selection problems [6]-[11]
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