year 2, Issue 4 (Winter 2013 2013)                   E.E.R. 2013, 2(4): 77-95 | Back to browse issues page

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Landslide Risk Assessment using AHP-FUZZY Combined Model in Order to Determine Urban Development and Safety )Case Study: Region 1 of Metropolitan Tehran(. E.E.R. . 2013; 2 (4) :77-95
Abstract:   (6883 Views)

Worldwide, metropolises of today are often prone to damage from natural hazards by various reasons. One of the slope instabilities that causes financial and human losses annually on socio-economics and the environment are landslides. There are tens of landslides that occur in different parts of the country each year, which threaten more residential areas, roads and facilities. In this study we have used descriptive-analytical research with a library and field study, AHP-fuzzy models and GIS for landslide risk zonation in region 1 of metropolitan Tehran. We attempted to determine the landslide processes and geomorphological hazards that limit development and safety in Region 1 of metropolitan Tehran. Landslide risk zonation map showed areas with low and very low risk that included 50% of the study area was located in the urban area of Region1 and valley talwegs of its basin. Areas with much and very much risk were located in northern parts of the area and dominant slopes. In general, upstream and downstream of basins of the watershed area reduce the rate of landslide risk. The final landslide risk map zonation for safety and development of urban areas construction should be prevented in much and very much areas of landslide risk which are located in streams margin and stream-valleys and areas that have potential of Landslide in Region 1 of Tehran. All urban land uses that include residential land uses with engineering techniques should be stable.

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Type of Study: Research |
Received: 2014/05/3 | Published: 2014/05/3

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