文章摘要
影响广西南部县域台风的灾情评估
Disaster assessment of typhoon affecting counties in southern Guangxi
投稿时间:2021-11-11  修订日期:2022-03-15
DOI:
中文关键词: 广西南部县域  台风  灰色关联  组合权重  灾情评估
英文关键词: Counties in southern Guangxi  The typhoon  Grey correlation  The combination weights  Disaster assessment
基金项目:国家自然科学基金项目(面上项目,重点项目,重大项目);广西气象局面上项目
作者单位邮编
李广桃 数学与统计学院 530100
廖梦祺 南宁市气象局 530028
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中文摘要:
   选取2007-2019年影响广西南部县域台风的致灾及灾情数据,采用灰色关联法计算各灾情指标的关联系数,结合层次分析及熵权法确定组合权重,构建综合灾情指数序列,对影响广西南部县域的台风进行灾情评估。结果发现,防城港市、北海市、钦州市及与其毗邻的县域综合灾情总指数均大于9;南宁市辖区周边多数县域的综合灾情总指数不仅大于9,且受灾频次不低于14次;沿海及经济发达的县域易受到台风袭击并造成灾情,大部分内陆县域受台风影响较小。
英文摘要:
   The disaster-causing and disaster data of typhoons affecting the southern counties of Guangxi from 2007 to 2019 are selected. The correlation coefficients of each disaster indicator are calculated using the gray correlation method, combined with analysis hierarchical process and entropy weighting method to determine the combination weights, and the comprehensive disaster index series is constructed to evaluate the typhoon disaster in the southern counties of Guangxi.The results show that the comprehensive disaster index of Fangchenggang city, Beihai City, Qinzhou City and their adjacent counties are all greater than 9. The total disaster index of most counties around Nanning is not only greater than 9, but also the frequency of disaster is not less than 14 times.Coastal and economically developed counties are vulnerable to typhoons and disasters, while most inland counties are less affected by typhoons.
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