Estimation de la susceptibilité aux mouvements de pente dans la région Nord- Est de la wilaya de Sétif

Abstract

Landslide susceptibility mapping is an important task for land use management in hilly regions. Our project aimed to assess the susceptibility to slope movements in the North East region of Sétif, which includes the municipalities of Djemila, Beni Aziz and Maaouia. In a GIS environment, the frequency ratio method is used to assess the contribution of conditioning factors to landslides and to produce a map of the sensitivity of the study area. A landslide inventory map has been prepared from the visuinterpretation of satellite photographies. In addition, thematic maps (lithology, rainfall, tectonic accidents and road networks...) and Digital Elevation Model (DEM) have been prepared to examine landslide conditioning factors. The resulting map shows a more pronounced susceptibility of the Northwest region of the study area. This map is an important decision-making and risk management tool in the NE of Sétif Province.