城市社区洪灾抗逆力影响因素及其评价——以河南省新乡市红旗区为例
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国家自然科学基金项目“基于GIS的区域洪灾社会脆弱性评估与减灾策略研究:以河南省为例”(U1504705)


Influencing Factors and Assessment of Flood Resilience in Urban Community -A Case Study of Hongqi District in Xinxiang City, He'nan Province
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    摘要:

    [目的]对城市社区洪灾抗逆力影响因素进行分析和评价,为城市社区洪水防灾减灾规划和风险管理提供决策依据。[方法]以河南省新乡市红旗区所辖社区为研究对象,通过问卷调查的方式,在文献调研和专家咨询的基础上,初步选取影响社区洪灾抗逆力的64个因子建立预选指标集,利用相关分析和主成分分析对64个初选指标进行降维处理,并在此基础上对研究区的9个城市社区的抗逆力进行综合评价。[结果](1)物理因素、制度因素、经济因素和人口因素是影响城市社区洪灾抗逆力水平的关键因素;(2)红旗区城市社区洪灾抗逆力整体水平不高,近80%的社区洪灾抗逆力处于中等偏下水平;(3)物理因素是影响红旗区城市社区洪灾抗逆力的主要因素,其次为经济和人口因素,制度因素影响最低。[结论]在分析城市社区洪灾抗逆力影响因素及其评价的基础上,提出具体的、有针对性的提升策略和措施,是一个可行的途径。

    Abstract:

    [Objective] We aimed to provide decision-making bases for flood disaster prevention, mitigation planning and risk management in urban community level based on the analysis of influencing factors and assessment of flood resilience in urban community.[Methods] The Hongqi district in Xinxiang City, He'nan Province was taken as the study area, and the questionnaire method was used. Sixty-four variables were selected to build a pre-selected index set based on the literature review and discussions with experts. The correlation analysis and principal component analysis were used to reduce the number of variables, and the flood resilience of urban community was assessed.[Results] (1) The key factors influencing urban community flood resilience could be summarized as physical factors, institutional factors, economic factors, population factors. (2) The capability of community flood resilience was not high, and nearly 80% of the communities were at a level below average. (3) Physical variable was the main factors influencing urban community flood resilience, followed by economic, demographic and institutional factors.[Conclusion] It is a feasible way to put forward the concrete and targeted strategies and measures for improving the flood resilience in urban community based on the analysis of influencing factors and assessment of flood resilience.

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冯倩倩,刘德林.城市社区洪灾抗逆力影响因素及其评价——以河南省新乡市红旗区为例[J].水土保持通报,2017,37(4):230-235

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  • 收稿日期:2017-01-10
  • 最后修改日期:2017-02-15
  • 在线发布日期: 2017-09-12