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《Science of Surveying and Mapping》 2008-04
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Application of GIS-Based information method to assessment of geohazards risk in Jiulong county

WU Bo-qing,HE Zheng-wei,,LIU Yan-song(College of Earth Sciences,Chengdu University of Technology,Chengdu 610059,China)  
There is a lot of date to be processed in geohazards risk assessment,the reliability of risk assessment and work efficiency is utterly dependents on the choice of assessment method.The article discusses the principle of GIS-based information method,and the application to geohazards risk assessment in Jiulong county.The GIS-based information method brings the spatial analysis ability of GIS technology and the quantitative analysis of information method all together,the calculation of information value is based on the density statistics of geological hazard,which is got very easily.Based on the GIS-based information method,the risk assessment of geohazards in Jiulong counrry was implemented with great efficiency and speed.
【CateGory Index】: P694;P208
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