Analytic network process model for landslide hazard zonation

✍ Scribed by K.M. Neaupane; M. Piantanakulchai

• Book ID: 104017695
• Publisher: Elsevier Science
• Year: 2006
• Tongue: English
• Weight: 749 KB
• Volume: 85
• Category: Article
• ISSN: 0013-7952
• DOI: 10.1016/j.enggeo.2006.02.003

✦ Synopsis

Various controlling factors such as lithology, slope angle, slope aspect, landuse, channel proximity etc. are generally considered for the landslide hazard assessment. Although outer dependence of these parameters to a landslide is inevitably taken into account, inter-dependence among the factors is seldom addressed. Analytic Network Process (ANP) is the multi-criteria decision making (MCDM) tool which takes into account such a complex relationship among parameters. In this research, an ANP model for landslide susceptibility is proposed, priority weights for each parameter controlling the landslide were determined, and a hazard map was prepared of an area in a fragile mountainous terrain in the eastern part of Nepal. The data used in the example were derived from published sources, aerial photographs and a topographic map. However, the procedures developed can readily incorporate additional information from more detailed investigations.