Application of GIS and Remote Sensing Using Multi-Criteria Decision Making Analysis for Abattoir Site Selection: the Case of Wolaita Soddo Town, Ethiopia
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Date
2015-06
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Addis Ababa University
Abstract
Abattoirs are one of important urban functions that need suitable site to be compatible with the surrounding geographic features. However, they are observed being located at inappropriate site posing environmental hazard to their surrounding and are also affected by some nearby activities. The present study was carried out to locate the most suitable abattoir site in Wolaita Soddo town. In order to do this it was found important to go through the experience of national urban planning institute of Ethiopia, and hence reviewing the experience of urban land use planning for sitting critical environmental issues like abattoir was done. An integrated Remote Sensing and GIS approach was found to be very helpful to designate abattoir site in the study area. Factors that were found to be significant in identifying the site in the study area in order of importance were: land use/cover, drainage, elevation, slope, and distance from roads, landfill, power sources, conservation areas and boreholes. These factors were weighted in hierarchical order using the MCE approach to produce suitability map of abattoir site. From the overall suitability map, suitability level of areas was calculated. Major findings of the study revealed that, highly suitable areas and moderately suitable sites are identified within the bare land portion of future land use at south western and south eastern part of the town, suitable and least suitable sites are located at the periphery of built up lands in the west and other different land use portions. The results can be readily interpreted by land-use planners and land managers and should contribute to environmentally sustainable land-use decision making
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Geography and Environmental Studies