THOUGHTS AND BASIC METHODS OF REGIONAL GEOLOGICAL HAZARD RISK ASSESSMENT
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摘要: 本文首先分析了地质灾害的区域性特征,指出地质灾害的灾种分布、形成条件、成灾制约因素都存在区域性规律。进而强调指出:区域地质背景分析、灾害成生规律分析、主控因素分析是区域地质灾害危险性评价的关键。最后,简要说明了区域地质灾害危险性评价基本思路及评价方法程序。Abstract: The paper analyzes the regional characteristics of geological hazards and points out that there are regional regularities in the distribution of hazard types, generation conditions and constraints of geological hazards.The paper further points out that the key to the regional geological hazard risk assessment is analyses of the regional geological background, hazard generation regularities and main controlling factors.Finally the paper briefly illustrates the basic thoughts and procedures of regional geological hazard risk assessment.
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