Comparing AHP and IHWP methods for landfill site selection of solid wastematerials in Sanandaj municipality, western Iran

  • سال انتشار: 1391
  • محل انتشار: دومین کنفرانس برنامه ریزی و مدیریت محیط زیست
  • کد COI اختصاصی: ESPME02_043
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 2498
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نویسندگان

Helen Aghsaei

MSc Student, Department of Environmental Sciences, Faculty of Natural Resources, University of Kurdistan

Babak Souri

Assistant Professor, Department of Environmental Sciences, Faculty of Natural Resources,

Khaled Babaei

MSc of GIS, Regional Water Management Co of Kurdistan Province, Sanandaj, Iran

چکیده

Landfill site selection is an important environmental issue, which requires consideration of various environmental variables. In this study, seven environmental variables including soil permeability, surface water resources distribution, geographical and geological characteristics alongside with four socio-economical variables including road network, land use pattern, urban and rural populated area were decided as basic criteria to determine the sites appropriate to construct landfill installations for disposal of solid wastes materials in Sanandaj municipality, western Iran. For this purpose two different methods AHP (Analytic Hierarchy Process) and IHWP (Inversion Hierarchical Weight Process) were applied. AHP was applied to carry out pair-wise comparison and also weight assignment using eleven information layers graded from 1 (lowest suitability) to 5 (most suitability) as classification of the final map indicated most suitable, moderately suitable and unsuitable places containing 3.77, 2.7 and 93.5 percent of the study area, respectively. For IHWP the same eleven information layers were also weighted according to the comments by the related experts. The exclusion of unsuitable area was conducted using nine exclusionary criteria applied to prepare the restriction map. The map from IHWP method was multiplied by the restriction map and the result was classified to determine the suitable area for landfill site selection. Classification of the final map through IHWP indicated that classes of most suitable, moderately suitable and unsuitable area for landfilling installation occupied 2.2, 4.3 and 93.5 percent of the study area, respectively..

کلیدواژه ها

Landfill Site Selection, Analytic Hierarchy Process (AHP), Inversion Hierarchical Weight Process (IHWP), Municipal Solid Wastes

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