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A Multi-Factor Evaluation Model for Landslide Hazard in Qingyuan,Eastern China

ZHAO dian-hua, YANG Shu-feng, CHEN Han-lin, CHENG Xiao-gan, MA Zhi-jiang, SHEN Xiao-hua   

  1. Department of Earth Sciences, Zhejiang University, Hangzhou 310027, China
  • Received:2002-12-20 Revised:2002-12-20 Online:2002-12-20 Published:2002-12-20

Abstract: In recent years,remote sensing technology and GIS (Geographical Information System)technologies are developing fast,widely used in the researches on landslide hazard evaluation and prediction.The authors conducted a detailed study to analyze the triggering factors that could cause the landslides in Qingyuan region,Zhejiang Province,and their relationships with GIS and TM-image technologies.A new evaluation model is established based on our analysis,and the simulation results are in accordance with the facts of the study area,i.e.81.25% of the landslide sites are located in the dangerous zones of the evaluation map.Therefore, this model can be used to evaluate the landslide hazard in Qingyuan region,Zhejiang Province.