Preprints
https://doi.org/10.5194/nhessd-1-73-2013
https://doi.org/10.5194/nhessd-1-73-2013

  29 Jan 2013

29 Jan 2013

Review status: this preprint was under review for the journal NHESS but the revision was not accepted.

Comparing multi-criteria methods for landslide susceptibility mapping in Chania Prefecture, Crete Island, Greece

M. Kouli1, C. Loupasakis2, P. Soupios1, D. Rozos2, and F. Vallianatos1 M. Kouli et al.
  • 1Laboratory of Geophysics and Seismology, Department of Natural Resources and Environment, Technological Educational Institute of Crete, Chania, Crete, Greece
  • 2Laboratory of Engineering Geology and Hydrogeology, Department of Geological Sciences, School of Mining and Metallurgical Engineering, National Technical University of Athens, Zografou Campus, Greece

Abstract. In this work, two multi-criteria methods, an expert-based, semi-quantitative, relative weighting – rating approach, the weighted linear combination (WLC) and a quantitative, statistical method, the weights of evidence (WoE) approach were applied for landslide susceptibility zonation mapping in the Chania Prefecture of Crete Island, Greece. Several thematic maps representing various landslide casual factors, such as geological formations, faults proximity, elevation, slope gradient, aspect and curvature, rivers proximity, precipitation, roads proximity and land use types; have been generated in a GIS environment. Two landslide susceptibility maps were created; one for each method. The maps were compared and validated using the success rate curve (SRC) analysis. The resulting landslide susceptibility maps have uncertainties introduced due to the subjective knowledge of experts in the case of WLC method and to the quality of the recorded landslides sample in the case of the WoE method. Both approaches produced almost equally accurate maps with the WoE method to produce slightly superior predictions.

M. Kouli et al.

 
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement

M. Kouli et al.

M. Kouli et al.

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