Volume 12, Issue 1 And 45 (8-2025)
Journal of Spatial Analysis Environmental Hazards 2025, 12(1 And 45): 0-0 |
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jafari M, shadfer S, pairevan H, asgari S. Assessing the potential of landslides in Sivan basin, Ilam province and the impact of that vulnerability of the region. Journal of Spatial Analysis Environmental Hazards 2025; 12 (1 and 45) : 1
URL: http://jsaeh.khu.ac.ir/article-1-3375-en.html
URL: http://jsaeh.khu.ac.ir/article-1-3375-en.html
1- Ilam Agricultural and Natural Resources Research and Education Center, Agricultural Research,Education , mg_jafari@yahoo.com
2- Soil Conservation and Watershed Management Research lnstitute, agricultural and natural resources Research
3- Ilam Agricultural and Natural Resources Research and Education Center, Agricultural Research,Education
2- Soil Conservation and Watershed Management Research lnstitute, agricultural and natural resources Research
3- Ilam Agricultural and Natural Resources Research and Education Center, Agricultural Research,Education
Abstract: (136 Views)
In this research, by preparing a distribution map of landslide areas and assessing the potential of landslide vulnerability in the Sivan basin, it has been tried to identify the resources at risk in different zones of vulnerability, then the environmental stability of the basin against the potential Vulnerability due to landslides should be investigated.. For this purpose, the information layers of landslide areas, agricultural lands, forests, residential areas and roads were prepared in the GIS environment. Then, the prepared layers based on the model (Index Overlay) were weighted and classified using the Class Maps Multi method and using expert opinion.According to the results obtained from the research, 44 landslides were determined in the Sivan basin, 17 of which could be measured and investigated in the field, 10 of which were in mountainous areas and were inaccessible and 12 of which could not be reached at all. The arena was not identified and 5 cases have been leveled due to the change of use to gardens and facilities. In the following, the potential vulnerability map of Sivan basin landslides in five vulnerability classes: very low (19846 hectares), low (1793 hectares), medium (741 hectares), high (2089 hectares) and very high (871 hectares) was prepared. In terms of environmental stability, the most damages caused by landslides in the Sivan basin are respectively related to communication roads and forest areas, which are in the range of high and very high vulnerability, agricultural lands are in the range of damage. Medium and lowest acceptability is related to residential areas, which is in a very low range. In the investigation of the environmental stability of the basin, it has been determined that there is a potential for vulnerability in all the mentioned cases, but it will be more intense in the direction of communication roads.
Article number: 1
Type of Study: Research |
Subject:
Special
Received: 2023/05/7 | Accepted: 2025/01/18 | Published: 2025/08/10
Received: 2023/05/7 | Accepted: 2025/01/18 | Published: 2025/08/10
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