摘要
城市是人口稠密、经济发达、社会财富高度集中的地区,同时也是自然灾害社会脆弱性较高的地区,评估城市自然灾害社会脆弱性对于提高城市自然灾害的抵抗能力、减少自然灾害造成的人员伤亡和经济损失具有重要意义。以上海市18个区县的人口和社会经济数据为基础构建了45个自然灾害社会脆弱性指标,并用主成分分析法选择了16个独立性强的重要指标作为自然灾害社会脆弱性的评价指标;采用TOPSIS方法对上海市18个区县的自然灾害社会脆弱性进行了评价,揭示了上海市自然灾害社会脆弱性的区域特征,为城市自然灾害风险管理和区域综合防灾减灾提供科学依据。
City is a place with dense population and advanced economy,where highly concentrated with social wealth as well as high social vulnerability to natural disasters. It＇s important to assess the social vulnerability to natural disasters of cities for which can improve the ability of cities to response to natural disasters,reduce damage and avoid loss of life caused by natural disasters. A system with forty-five indexes of social vulnerability to natural disasters is constructed based on the demographics and socioeconomic data of eighteen districts and counties in Shanghai. Sixteen sensibility indexes are selected to be the evaluation index with the method of principal component analysis. The social vulnerability to natural disasters of the eighteen districts and counties in Shanghai is assessed with the method of TOPSIS,and the characteristic of the social vulnerability to natural disasters in Shanghai is revealed. Scientific evidence for urban natural disaster risk management as well as regional comprehensive disaster prevention and mitigation are supplied.
出处
《灾害学》
CSCD
北大核心
2014年第1期109-114,共6页
Journal of Catastrophology
基金
教育部人文社会科学研究规划项目(10YJAZH091)
河南省科技攻关重点项目(102102310359)
