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Paper Information

Journal:   GEOGRAPHICAL RESEARCH QUARTERLY   SPRING 2007 , Volume 39 , Number 59; Page(s) 55 To 67.
 
Paper: 

LANDSLIDES OCCURRENCE ZONATION FOR POSHT TANG CATCHMENT IN SARPOL-E-ZAHAB (KERMANSHAH PROVINCE)

 
 
Author(s):  JABARI IRAJ, MIR NAZARI JAVAD
 
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Abstract: 

The Posht Tang drainage basin located in the north–east of Sarpol-e-Zahab in Kermanshah province. It was affected by several slope movements in resent years. We could selected six factors: litology‚ gradient‚ precipitation‚ plant coverage‚ land use and elevation from 11 factors related to effective causes of land slide occurrences using and introduction? 2 analysis by which we can predict vulnerable region to landslide by considering. Accordingly‚ the six mentioned factors were overlaid and the maps of land slide hazard zonation for "Posht Tang” drainage basin were prepared by four methods: Area Density‚ Weight of Evidences‚ Modeling Hierarchical Analysis and Information Value. Finally‚ area density was introduced as the best way for spatial distribution prediction by using landslide index and it is more confident than others methods show that 42 percent of watershed area came across with much and very much vulnerability degree.

 
Keyword(s): LANDSLIDE ‚ZONATION‚ POSHT TANG DRAINAGE BASIN‚ VULNERABILITY MAP‚ GIS
 
References: 
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