Identifying Appropriate Zones for Disposal of Urban Wastes Using Spatial-Place Analysis (GIS-TOPSIS Model) Case Study: Birjand County
Abstract. Locating and finding appropriate place for waste disposal is one of the most important parts of the urban waste management system. Healthy burial of urban wastes needs to basic information and precise planning like any other engineering project. Selection of several factors has caused multiplicity of data layers and efforts to find a suitable solution for analysis large numbers of data layers and getting the correct result leads decision-makers unconsciously to use of a model and a method that is in high level in terms of speed and ease of doing in addition to having high accuracy. This study is functional and analytical-descriptive in terms of nature. Effective criteria were selected first in research process and then experts and professors of urban development and urban planning and biologists for determining the importance of criteria completed some questionnaires. Then criteria were valued in the area and fit maps were prepared using multiple criteria decision AHP model in Expert choice software and TOPSIS model. The results of studies showed that southeast and northwest parts of city are the most suitable places for burying waste and creating centers for waste disposal.
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