Geological Hazard Susceptibility Evaluation in Wanning City,Hainan
Taking Wanning City of Hainan Province as the research object,six factors such as elevation,slope,rock group,distance from fault,surface water and groundwater,vegetation were selected as evaluation indexes,and information model was established to analyze each evaluation index.Based on the unit statistical function of ArcGIS platform,Wanning City was divided into high-prone,medium-prone,low-prone and non-prone areas according to geological disaster susceptibility,accounting for 5.44%,34.02%,53.95%and 6.59%of the total area,respectively.