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Solid waste disposal site selection in an environmentally acceptable manner is one of the major issues facing municipal planners in developing countries due to increase in population and solid waste generation in urban area such as Ethiopian cities/towns. Bahir Dar city has serious problems in the case of solid waste disposal site selection. This condition demands scientific approach for the selection of solid waste disposal site for proper city solid waste disposal and management. Therefore, the aim of this study was to select suitable solid waste disposal site for the Bahir Dar city using integrated Geographic Information System (GIS) and Remote Sensing techniques (RS). The main data used for this study were based on primary and secondary data sources. The primary data were obtained through non-structured interview, photo camera, online Landsat image and field observation and secondary data for the study were used from different shape files (soil related data, administrative boundary and master plan), reliable journals and articles, reports and governmental institutional manuals. The criteria used for this study include distance from the water body, distance from built-up areas, distance from main roads, distance from protected area, land use, distance from airport, slope, geological feature, soil type, soil depth and soil texture. GIS software and its environment tools, the satellite image, different shape files and AHP technique were used for map preparation and suitability analysis. The final selected solid waste disposal sites are grouped as high suitable, medium suitable, less suitable and unsuitable. The results from the total area of the analysis show that 2.46% highly suitable, 5.44% medium suitable, 15.14% less suitable and 76.95% unsuitable for solid waste disposal. Based on the results, the most potential and highly suitable areas for solid waste disposal sites are available on Yinsa sositu and Dishet abaraji kebeles where there are least environmental and health risks. Hence, the selection of solid waste disposal sites will help Bahir Dar city municipal authorities make the right and sustainable choice on the selection and planning of landfill sites with minimum environmental risk and human health problems. |
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