Abstract
In this study, an attempt was made to re-evaluate and compare landslide susceptibility in a landslide-prone area in the West Black Sea Region of Turkey, using expert opinion and the analytical hierarchy process (AHP). In order to compare the results with a landslide susceptibility study undertaken previously in the same region using the artificial neural network (ANN) method, slope angle, slope aspect, topographical elevation, topographical shape, water conditions and vegetation cover parameters were taken into consideration. Experts were asked to rate their pairwise importance and their feedback was used in the AHP to produce a landslide susceptibility map of the study region. Its validity was tested using relation value (r ij ) and the areal frequency distribution of the actual landslides in the area. The results were satisfactory and similar to those achieved in the previous ANN study. It is concluded that AHP can be a useful methodology in landslide susceptibility assessment.
Résumé
Des experts ont été invités à évaluer d’leurspart l’importance de ces parameters et leur rétroaction a été employée dans l’AHP pour produire une carte de susceptibilité d’éboulement de la région etudiée. Sa validité a été examinée utilisant la valeur de relation (rij) et la distribution de fréquence régionale des éboulements réels dans le secteur. Les résultats étaient satisfaisants et semblables à ceux réalisés dans l’étude précédente. On conclut que le PHA peut être une méthodologie utile dans l’évaluation de susceptibilité d’éboulement.
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Acknowledgments
The authors would like to thank the experts who have contributed significant to the manuscript; the work being based on their valuable opinions. The authors also would like to thank Assoc. Prof. Dr. Harun Sonmez for his valuable comments and contributions to the manuscript. The authors would like to give their special thanks to GIS Specialist Jill Norton, from Idaho, USA, for her valuable comments and English editing. This research is supported by the Scientific and Technical Research Council of Turkey (TUBITAK) (Project No: 103Y126).
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Ercanoglu, M., Kasmer, O. & Temiz, N. Adaptation and comparison of expert opinion to analytical hierarchy process for landslide susceptibility mapping. Bull Eng Geol Environ 67, 565–578 (2008). https://doi.org/10.1007/s10064-008-0170-1
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DOI: https://doi.org/10.1007/s10064-008-0170-1