Volume 11, Issue 3 (12-2024)                   Journal of Spatial Analysis Environmental Hazards 2024, 11(3): 0-0 | Back to browse issues page

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jafari M. Zoning of mass movement in the Cham gardlan watershed of Ilam and investigation of factors affecting its occurrence. Journal of Spatial Analysis Environmental Hazards 2024; 11 (3)
URL: http://jsaeh.khu.ac.ir/article-1-3466-en.html
Zoning of mass movement in the Cham gardlan watershed of Ilam and investigation of factors affecting its occurrence
Mohammadreza Jafari
Agricultural Jihad Organization , mg_jafari@yahoo.com
Abstract:   (600 Views)
Considering that there are different forms of mass movements in the ChamGardlan watershed, especially along communication routes, agricultural and residential areas, it is necessary to create refugee maps Therefore, it is impossible to examine the factors influencing its situation in order to prevent and control this phenomenon. Therefore, during the field visits, geographical, physiography, land use, vegetation cover, soil, climatology, geography and geomorphology maps were produced in the GIS environment. The method of this research has been accomplished base of distinction of the geomorphological units while using aerial photos and crossing  basis maps. Then, the effective factors on the occuration of mass movements were studied using logistic regression equations. So that, the factors such as slope, geological formation type, pedologic, climatic, etc. were taked into consideration as independant variables, and mass movements occurance frequency as function of mentioned factors.The result indicated that the effective factors related to frequency of land sliding happening in the area in arrangement, are slope, geological formation type and mass  movements  type (both kind and amount of salts in soil) and also landuse.
 
Keywords: Mass movement, logistic regression, aerial photo, GIS
     
Type of Study: Research | Subject: Special
Received: 2024/11/8 | Accepted: 2024/12/23 | Published: 2024/12/23
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