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Information Journal Paper

Title

ASSESSMENT OF HAERI-SAMIE MODEL FOR LANDSLIDE HAZARD ZONATION BY USING GIS (A CASE STUDY: SAFIABAD WATHERSHED, GOLESTAN PROVINCE)

Pages

  59-70

Abstract

 Besides earthquake, flood and volcano, landslide is a disaster which causes considerable damages in mountains areas every year. Nowadays in countries involved with landslide problem, there is an increase trend to evaluation and zonation of risk and damage of this phenomenon. There different cause and in different ways for instability of slope such as topography, litology, climate and etc. In these research, HAERI-SAMIE MODEL has been used for landslide risk zonation in Safiabad watershed in east of Golestan province. Hence, to analyze main causes of landslides, effective factors such as slope angle, litology, fault, road, and river, rainfall figures, rainfall intensity and earthquake was considered. Afterwards data layers for each of effective cause in landslide was prepared using GIS and then effective cause were quantified and weighted and Landslides was registered by field work and GPS. Analysis show that the watershed has not areas with extremely high risk class even the 6 registered landslides were in medium risk class moreover any landslide was not distinguished in high and very high risk zones. So, this model has not suitable efficiency in this watershed and its applicability needs more investigations and study.

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