Landslide susceptibility mapping using the weight of evidence method in the Tinau watershed, Nepal

Prabin Kayastha (), Megh Dhital and Florimond Smedt

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2012, vol. 63, issue 2, 479-498

Abstract: Mountainous areas in Nepal are prone to landslides, resulting in an enormous loss of life and property every year. As a first step towards mitigating or controlling such problems, it is necessary to prepare landslide susceptibility maps. Various methodologies have been proposed for landslide susceptibility mapping. This study applies the weight of evidence method to the Tinau watershed in west Nepal. A landslide susceptibility map is prepared on the basis of field observations and available data of geology, land use, topography and hydrology. Predicted susceptibility levels are found to be in good agreement with the locations of past landslides. The results show that about 30 % of the area is highly susceptible to landsliding. The present results provide useful information to the authorities concerning the landslide susceptibility zones and possible improvements for disaster management activities and sustainable development. Copyright Springer Science+Business Media B.V. 2012

Keywords: Landslide; Geographic information system (GIS); Weight of evidence; Tinau watershed; Nepal (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1007/s11069-012-0163-z

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