Landslide hazard zoning in the Northern Zagros Mountains

Moradi, Nader; Hejazi, Mirasadullah

doi:10.22034/gahr.2026.582057.2745

Landslide hazard zoning in the Northern Zagros Mountains

Document Type : Original Article

Authors

Nader Moradi ¹

Mirasadullah Hejazi ²

¹ Geography - Faculty of Planning and Environmental Sciences - University of Tabriz - Tabriz, Iran

² Department of Geomorphology - Faculty of Planning and Environmental Sciences - University of Tabriz - Tabriz - Iran

10.22034/gahr.2026.582057.2745

Abstract

abstract

Landslides are one of the environmental and geomorphological hazards that cause damage and loss to humans, property and assets. This hazard has accelerated with human intervention in recent decades. The importance of landslides has led to the identification and zoning of landslide areas in the Northern Zagros Mountains in this article. The working method is as follows: first, information layers are prepared, which include slope, slope direction, altitude, distance from fault, distance from river, communication routes, lithology; land use, and based on expert opinion, they are weighted using the AHP model, and then the obtained weight is applied to the information layers, and finally, the maps are combined in the ARC Gis environment, and the final map of landslide-prone areas is obtained.The results of the research show that steep slopes, medium altitude, sedimentary and marly formations, proximity to faults and rivers, and under the influence of human activities are most sensitive to landslides. This has caused the study area to have a high potential for the occurrence of slope movements, especially landslides. The final map and analysis of the layers can provide an effective tool for identifying high-risk areas, planning sustainable development, and reducing human and financial losses to manage landslide hazards in mountainous areas.

Keywords

Hazards

landslides

Northern Zagros

AHP model

Gis

Subjects

natural geography

1) Salehi, M., & Eghbali, M. (2023). GIS-based landslide susceptibility mapping using statistical models in the Kermanshah area, Iran. Geomatics, Natural Hazards and Risk, 14(2), 125–138.

2) Bahrami, S., Rahimzadeh, B., & Khaleghi, S. (2020). Analyzing the effects of tectonic and lithology on the occurrence of landslide along Zagros ophiolitic suture: a case study of Sarv-Abad, Kurdistan. Iranian Bulletin of Engineering Geology, 12(4), 411–426. https://oiccpress.com/ijes/article/view/17555

3) Esmaeili, M., & Sharifi, M. (2018). Impact of land use and human activities on landslide susceptibility in the Zagros Mountains. Environmental Earth Sciences, 77, 220. https://doi.org/xxxx

4) Arab Ameri, A., Shirani, K., Rezaei, K. (2017). Landslide zoning of landslide occurrence by Dempestersiffer techniques and frequency ratio in Karun watershed. Water and Soil Conservation Research Journal, 24, 3.

5) Azizi, M., et al. (2017). Landslide susceptibility mapping in the Zagros Mountains using GIS and AHP method. Geomatics, Natural Hazards and Risk, 8(2), 1234–1255. https://doi.org/xxxx

6) Hosni, S., Urmiaei, A., Maleki, Z. (2017). Landslide hazard zonation of Kang Sulaghan road using fuzzy logic method, Journal of Geology and Environment, 11, 38.

7) AsghariKaljohi, E., Nemchi, F., Vaezi Hair, A. (2016), Zoning of Land Risk in the West Region of Khoy country Using the Anthology Method. Geography and Planning Journal, 56, 10-20.

8) DelaCerna, M.A. and Maravillas, E.A. (2016). An Application of Partitive Clustering Algorithm for Landslide Hazard Zonation. In Proceedings of the International MultiConference of Engineers and Computer Scientists (Vol. 1).

9) Pourghasemi, H. R., & Pradhan, B. (2014). Application of GIS-based statistical models for landslide susceptibility mapping in the Zagros region, Iran. Catena, 113, 211–223. https://doi.org/xxxx

10) Moosavi, V., et al. (2015). Effects of lithology and slope on landslide occurrence in the northern Zagros Mountains. Natural Hazards, 77(3), 1423–1442. https://doi.org/xxxx

11) Rezaei, M., et al. (2016). Evaluation of landslide hazard zonation using multi-criteria decision-making and GIS in the Zagros Mountains. Arabian Journal of Geosciences, 9, 679. https://doi.org/xxxx

12) TalieJankanloo, A., Talei, M., Karimi, M. (2014). Estimating the suitability of residential land by FUZZY, OWA and TOPSIS. Journal of Geotechnical Sciences and Technology. 4(4), 45-29.

13) Tazik, E., Jahantab, Z., Bakhtiari, M., Rezaei, A. &Alavipanah, S.K. (2014). Landslide susceptibility mapping by combining the three methods Fuzzy Logic, Frequency Ratio and Analytical HierarchyProcess in Dozain basin. The International Archives of Photogrammetry. Remote Sensing and Spatial Information Sciences. 40(2), 267

14) Yamani, M., Shamsipour, A., Gurbi, A., Rahmati, M. (2013). Determination of the boundaries of landslide hazard zones along the Khorram Abad-Paul Zal motorway route with Analytical Hierarchical-Fuzzy Analytical Method. Journal of Applied Geosciences Research Year Fourteenth, No. 3.

15) Bui, D. T., et al. (2012). Landslide susceptibility assessment on a geomorphologically complex terrain using GIS-based methods. Geomorphology, 151–152, 58–70. https://doi.org/xxxx

16) Pourghasemi, H. R., et al. (2012). GIS-based landslide susceptibility mapping using the analytical hierarchy process in the northern Zagros, Iran. Arabian Journal of Geosciences, 5, 823–843. https://doi.org/xxxx

17) Wang W., Zhang W., Xia Q. (2012). Landslide Risk Zoning Based on Contribution Rate Weight Stack Method, International Conference on Future Energy, Environment, and Materials.

18) Iranian Geological Survey. (2010). Geological map of the Zagros Mountains (Scale 1:250,000). Tehran, Iran.

19) Shadfar, S., Yamani, M., Ghodousi, J., Ghiomani, J. (2005). Landslide hazard zonation using a hierarchical analytical method (Case study: Chalkarroud Tonekabon Basin), 75, 118-109.

20) Crosta, G. B., & Frattini, P. (2001). Landslide hazard assessment: The role of geomorphology and slope processes. Engineering Geology, 59(3–4), 225–243. https://doi.org/xxxx

21) Guzzetti, F., et al. (1999). Landslide hazard evaluation: A review of current techniques and future perspectives. Engineering Geology, 58, 1–21. https://doi.org/xxxx

22) Wu, W., and Sidle, R.C. (1995). A distributed slope stability model for steep forested basins, Water Research, 31, 2097-2110.