Document Type : Research Paper
Authors
Civil Engineering Department, College of Engineering, University of Al-Qadisiyah, Al-Qadisiyah, Iraq
Abstract
One of the main problems in the city of Diwaniyah is finding suitable places for burying waste. Geographic Information System (GIS) is an appropriate tool used for this purpose. The city of Diwaniyah, like other Iraqi governorates, is not equipped with an organized system for burying urban waste. The main objective of this study is to find the optimal site for the landfill in Al-Diwaniyah City. For this purpose, and by using the multi-criteria decision analysis (MCDA) known as the Analytical Hierarchy (AHP) in the GIS environment, eleven criteria were presented in the first phase according to international determinants and standards and in line with Iraqi standards. The environment, which is (river, slope, agricultural land use, groundwater, railways, power line, roads, soil types, city center, gas pipeline, and villages) through which a map was developed and produced for each standard using several tools and models in GIS environment, in the second phase, we resorted to the capacity improvement program matrix to assess the weights of the eleven criteria. The study concluded two landfill sites Using the spatial analysis tool "Weight Overlay", the first site is located at coordinate UTM (502241.5, 3537336.2) east of the city, with an area of about 18.89 km2, while the second site is located at coordinate UTM (503371, 3528215.7) to the south of the city, with an area of about 20.64 km2.
Keywords
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