昆明—楚雄—大理—丽江地区地震软风险区划实例
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摘要
应用云南省昆明市、楚雄州、大理州、丽江市1900-2000年这100年内M≥5.0的地震记录资料,对该地区的地震灾害软风险区划进行了实例分析。结果表明,软风险区划图是以带有“层”结构的地图形式表述风险评估结果的,而“层”是根据可能性水平来划分的。因此,软风险区划图对分析结果的表述,不仅能对风险分析提供更多的信息,而且能提供风险值可信度的信息,从而使风险图“服务信息”丰富化。
This paper makes a case study on the soft risk zoning of earthquake disaster in Kunming-Chuxiong-Dali-Lijiang of Yunnan Province by using the earthquake records of M≥5.0 from 1900 to 2000.The study shows that soft risk map represents the results of risk assessments by a kind of map with "layer structure".The layer is decided according to the level of possibility.Soft risk map not only can afford more risk information,but also can afford the information of reliability respect to risk values.As a result,soft risk zoning can provide more plentiful service information.
引文
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