Geography and Human Relationships

Geography and Human Relationships

Preparation of a landslide hazard map in order to identify villages at risk

Document Type : Original Article

Authors
1 Department of Geography and Rural Planning, Faculty of Environmental Sciences and Planning , University of Tabriz, Tabriz, Iran,
2 Tabriz University
3 university of tabriz
10.22034/gahr.2024.484886.2291
Abstract
The purpose of this research is to zonate the hazard of landslides using the Analytical Network Process (ANP) and geographic information system (GIS) in Razliq village located in Sarab city. For this purpose, information layers related to 7 effective criteria in the occurrence of landslides, including lithology, NDVI, slope, elevation, precipitation, distance from river and river density were prepared using ArcGIS software. Then, the factors were weighted using the method of Analytical Network Process (ANP). The results obtained from this research showed that the weight of the examined criteria is 0.332, 0.097, 0.143, 0.069, 0.021, 0.196 and 0.139, respectively. Finally, by combining these layers according to their weight, a landslide hazard zoning map was obtained in the GIS environment. In terms of the hazard of landslides, the zoning map divides the area into five risk categories: very high (17.5 square kilometers), high (26.2 square kilometers), moderate risk (76.7 square kilometers), low (269.4 square kilometers) and very Low (196.2 square kilometers) has been divided, which includes areas with low risk, the largest area of the region. Also, the results showed that none of the villages in the region are located in high hazard areas.
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Articles in Press, Accepted Manuscript
Available Online from 13 November 2024

  • Receive Date 22 October 2024
  • Accept Date 13 November 2024