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Paper Information

Journal:   JOURNAL OF GEOGRAPHY AND PLANNING   SUMMER 2014 , Volume 18 , Number 48; Page(s) 37 To 60.
 
Paper: 

ZONING SLOPE INSTABILITY RISK BY USING LNRF MODELING (IN KALAN BASIN OF MALAYER)

 
 
Author(s):  ILDOROMI A.*, ROUZBAHANI H.
 
* DEPARTMENT OF RANGELAND AND WATERSHED MANAGEMENT, COLLEGE OF NATURAL RESOURCES AND ENVIRONMENTAL SCIENCES, MALAYER UNIVERSITY, MALAYER, IRAN
 
Abstract: 

Mass movement is one of the natural hazards with regard to frequency of which and its strength there are two consequences direct (blocking the rads and the direction of waterways, burring the residential areas and service installations) and indirect consequences (environmental unpleasant effects, making the soil useless, increasing the sedimentaion and decreasing the capacity of dams). The present research was carried out on Kalan dam watershed in Malayer to distinguish the effective factors in the mass movement and recognize prepared areas for mass movement and appointing the weight which states the standard role of these factors in mass movement occurrence.
Factors such as lithology, space of faullts, slope, altitudinal surfaces and rainfall are chosen as the most effective factors in the mass movement occurrence. By using geological maps, topography and aerial photos in the from of geographical information system (GIS) and ArcGIS software, we used LNRF model in the maps in the numerical and stratum from for analyzing the obtained data through studying the effective variances as the research conceptive tools. We finally prepared the zoning map of the mass movement danger by combining various strata (layers) through weighting to the effective factors and their algebraic conclusion and the results show that the LNRF model is a good competence to study the data and zoning of mass movement in Kalan dam basin.

 
Keyword(s): MASS MOVEMENT, ZONING, KALAN DAM, ARCGIS AND LNRF, ZAGROS
 
References: 
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