On the basis of the results of basic geology and hydro-industrial-environmental geology,the 1∶50 000 geological disasters survey has been carried out in the whole territory of Cuona City through remote sensing interpretation and ground survey,as well as field digital data investigation,mapping and collection.The geological environment conditions and development characteristics of geological disasters in Cuona City were systematically summarized;based on the weighted average calculation model of geological hazards susceptibility and the distribution of people and property,the evaluation of the geological hazards in Cuona City was completed,and three levels of hazards,namely high,medium and low,were classified;and in combination with the regional location,the area was further classified into six high-hazardous subareas,six medium-hazardous subareas,and three low-hazardous subareas.The survey of geologic disasters in Cuona City,Xizang Autonomous Region is more systematic,and the results of the hazard zoning can help the comprehensive prevention and control of geologic disasters in the future.
关键词
地质灾害调查/危险性评价/危险性分区/错那市
Key words
geological disasters survey/hazard evaluation/hazard zoning/Cuona City