Social vulnerability to environmental hazards
Social vulnerability to environmental hazards
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DOI：
10.1111/1540-6237.8402002
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发表时间：
2003-06-01
影响因子：
1.9
通讯作者：
Shirley, WL
中科院分区：
文献类型：
--
作者：
Cutter, SL;Boruff, BJ;Shirley, WL
目标。利用县级社会经济和人口统计数据构建了美国社会对环境危害的脆弱性指数，称为社会脆弱性指数（SoVI）。方法。使用因子分析方法，42个变量被减少到11个独立因素，这些因素约占方差的76%。这些因素被放在一个加性模型中，以计算一个总成绩——社会脆弱性指数。结果。SoVI有一些明显的空间格局，最脆弱的县集中在东部、南部德克萨斯州和密西西比三角洲地区的大都市县。结论。每个国家影响总分的因素往往不同，这凸显了社会脆弱性的互动性——有些因素会增加脆弱性；其他药物则起到缓和作用。
Objective. County-level socioeconomic and demographic data were used to construct an index of social vulnerability to environmental hazards, called the Social Vulnerability Index (SoVI) for the United States based on 1990 data. Methods. Using a factor analytic approach, 42 variables were reduced to 11 independent factors that accounted for about 76 percent of the variance. These factors were placed in an additive model to compute a summary score-the Social Vulnerability Index. Results. There are some distinct spatial patterns in the SoVI, with the most vulnerable counties clustered in metropolitan counties in the east, south Texas, and the Mississippi Delta region. Conclusion. Those factors that contribute to the overall score often are different for each county, underscoring the interactive nature of social vulnerability-some components increase vulnerability; others moderate the effects.