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Paper Information

Journal:   GEOGRAPHY AND DEVELOPMENT   SPRING-SUMMER 2007 , Volume 5 , Number 9; Page(s) 107 To 124.
 
Paper: 

MASS MOVEMENTS HAZARD EVALUATION AND ZONATION IN OJAN-CHAI BASIN

 
 
Author(s):  KARAMI F., BAYATI KHATIBI MARYAM, MOKHTARI D.
 
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Abstract: 

The Ojan-Chai basin is located at the north slope of the Sahand mountain. Due to dominant of the perglacier and fluvial erosion systems, on the north slope of the Sahand mountain, mass movements, fluvial flows and flood are the morphogenic phenomena and the geomorphological hazards in the Ojan-Chai basin. These events threated the cities and rural settlements. They prevent to progress programes. This study presents the zonning of mass movements hazard on the Ojan-Chai .It try to mapping of the mass movement’s hazards and recognition of high hazard – low hazard regions, so that planners and managers lead to planning and accurate management of landuse. Therefore, it is possible to development agricultural, settlements and industrial sections, in the area far away the geomorphological hazards. The zonning of mass movements hazard’s map draw by the digitaly topography maps (1: 25000 and1:50000), geology and geomorphology maps, remote sensing data, GIS (ARC/GIS and ARC/VIEW). The variables are slope, distance from fault, distance from stream, distance from road, and distance from route, precipitation, litology and landuse. Results indicated that, 39% of the study region is located at the medium to high - intense zone hazard,the point view of mass movements hazard.

 
Keyword(s): ZONATION, MASS MOVEMENTS HAZARD, SAHAND MOUNTAIN, OJAN-CHAI, GIS, VOLCANIC MASS
 
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