Geographical information systems based microzonation map of Eskişehir downtown area

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2004

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Kolat, Çağıl

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The purpose of this study is to prepare a geotechnical microzonation map regarding the suitability of the residential areas in Eskisehir downtown area. In order to obtain the microzonation map, Geographical Information Systems (GIS) based Multicriteria Decision Analysis (MCDA) is used. For this analysis, the slope, flood susceptibility, soil, depth to groundwater table, swelling potential and liquefaction potential layers are prepared. The weight values to the layers and rank values to the classes of each layer are assigned by applying Simple Additive Weighting (SAW) and Analytical Hierarchical Process (AHP) methods. Two geotechnical microzonation maps are obtained as outputs of these methods. The study area is categorized into three different zones regarding the foundation suitability of residential areas as: (1) Areas suitable for settlement; (2) Provisional settlement areas; (3) Areas requiring detailed geotechnical investigations. The maps prepared using SAW and AHP methods are found to be consistent with each other. The geotechnical microzonation map prepared using AHP method is recommended as the final map of the study area.

Subject Keywords

Geographical Information Systems.

URI

http://etd.lib.metu.edu.tr/upload/12605410/index.pdf
https://hdl.handle.net/11511/14465

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Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

Ç. Kolat, “Geographical information systems based microzonation map of Eskişehir downtown area,” M.S. - Master of Science, Middle East Technical University, 2004.