Modeling of municipal waste landfill in QGIS environment (Case study of Zahedan city)

Subject Areas : Urban Environment

khadijhe safari ¹ , Seyed Ali Jozi ² , Sahar rezaian ³

1 - PhD student in Environment, Department of Environmental Management, Faculty of Science and Technology, North Tehran Branch, Islamic Azad University, Iran.
2 - Professor, Department of Environmental Engineering, Faculty of Science and Technology, North Tehran Branch, Islamic Azad University, Iran.*(Corresponding Author)
3 - Associate Professor, Department of Environmental Engineering, Faculty of Engineering, Shahroud Branch, Islamic Azad University, Iran.

Received: 2022-06-07 Accepted : 2022-07-09 Published : 2023-09-23

Keywords: Waste landing modeling, QGIS, Zahedan City, Software, PLUGIN,

Abstract :

Background and Objective: Waste management, which is one of the most important tasks of metropolitan urban management around the world, is also one of the most complex and costly problems of urban management. Precise principles of locating different activities in the city Due to the nature of urban problems are very much solved. Lack of proper management and not choosing the right location for landfilling municipal waste creates problems for the environment. Material and Methodology: In this paper, method 3 is presented with the aim of modeling municipal landfills in QGIS environment in Zahedan city. First, the effective criteria in selecting the burial site according to the conditions of the region and with the opinion of experts (Delphi questionnaire) were examined and 18 sub-criteria were determined in two groups, ecological criteria and socio-economic criteria. All steps, except for determining the weight and examining the internal relationships of the criteria, were coded in the QGIS open source software and the location system of the municipal waste landfill was developed in the open source context. Findings: QGIS 3.16 software was used to build a landfill for Zahedan landfill. It is possible to use open source software to develop numerical numerical models in the process of assessing the suitability of land for landfill use. In general, the use of geographic information systems, the possibility of spatial analysis, analysis and storage, definition Different functions have provided appropriate visual representation in order to locate with different criteria, descriptive information of spatial and non-spatial data. Discussion and Conclusion: The results obtained in QGIS software are completely consistent with the results obtained from the implementation of the process in ARC GIS software. QGIS software is a suitable method with the aim of faster and smarter selection of landfill location criteria in Zahedan city.

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