Evaluation of settlement sites beyond the scope of natural conditions and hazards by means of gis based mcda: Yeşilirmak catchment

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2010

Author

Çintimur, Mehmet Bilgekağan

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Our country is a risky position in terms of natural disasters. In the long run, preferentially settlement areas were selected to ensure maximum benefits in terms of both economic and security aspects, other criteria is not taken account when selection of sites. The main purpose of this study is to examine and compare the properties of settlement location based on natural hazard and environmental constraints to be able to understand the interaction between the settlements and natural conditions at the regional scale of YeŞilırmak Basin. A MCDA was set up with 10 different data layers in two data domains (environmental and natural hazards domains), are evaluated. The results of the MCDA scores are then transferred to settlement databases in order to evaluate the number of existing settlements in different environmental and natural hazard related suitability classes. It is found that almost 29% of YeŞilırmak catchment is environmentally favorable for settlement, and in coherence with that 41% of all existing settlements are located in this zone, indicating a clear preference among the perception of environmentally better places to be settled in. On the other hand with respect to the natural hazards dataset, the locations of the settlements fail to create any preference, as 73,32% of the area is used by 73,50% of existing settlements, which indicates that the perception of natural hazards are low and do not effect settlement criteria, while the acceptable risk of community is high.

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http://etd.lib.metu.edu.tr/upload/12611952/index.pdf
https://hdl.handle.net/11511/19661

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Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

M. B. Çintimur, “Evaluation of settlement sites beyond the scope of natural conditions and hazards by means of gis based mcda: Yeşilirmak catchment,” M.S. - Master of Science, Middle East Technical University, 2010.