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Sanitary landfill siting using GIS and AHP: A case study in Johor Bahru, Malaysia

Mohammed, H. and Majid, Z. and Yamusa, Y. B. and Ariff, M. and Idris, K. M. and Darwin, N. (2019) Sanitary landfill siting using GIS and AHP: A case study in Johor Bahru, Malaysia. Engineering, Technology & Applied Science Research, 9 (3). pp. 4100-4104. ISSN 2241-4487

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Official URL: http://dx.doi.org/10.48084/etasr.2633

Abstract

One of the major problems affecting municipalities is solid waste management. There is a difficulty in selecting suitable sites for waste disposal as it involves different factors to be considered before site selection. Currently, waste generation in Johor Bahru has steadily increased over the last few years and the only existing sanitary landfill is reaching its capacity limits, which means that a new sanitary landfill site needs to be constructed. In this study, geographic information system (GIS) and analytical hierarchy process (AHP) methods were utilized with the integration of dynamic data such as future population and projection of waste production in order to provide suitable sites for the construction of a sanitary landfill in the study area. Thirteen criteria were considered for this study, namely water bodies, soil, geology, slope, elevation, residential areas, archeological sites, airports, population, road, railway, infrastructure, and land use. AHP was used to determine the weights for each criterion from the pairwise comparison matrix. Consistency index and consistency ratio were checked and confirmed to be suitable. The results obtained from AHP were assigned to each criterion in GIS environment using weighted overlay analysis tool. The final potential site map was produced, and the three most suitable potential landfill sites were identified.

Item Type:Article
Uncontrolled Keywords:landfill siting, sustainable solid waste management
Subjects:T Technology > TD Environmental technology. Sanitary engineering
Divisions:Built Environment
ID Code:87687
Deposited By: Widya Wahid
Deposited On:30 Nov 2020 13:08
Last Modified:30 Nov 2020 13:08

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