快速城市化背景下城市边缘区社会脆弱性评价与影响因素分析--以西安市为例

来源 :第十届中日韩地理学联合会议、第一届亚洲地理学大会、第十五次全国青年地理工作者学术研讨会 | 被引量 : 0次 | 上传用户:TRACY101688
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  近年来,我国城市化进程不断加快,与人口城市化相比,土地城市化推进更为迅速,通过城市边缘地区农地征用来增加土地供给量进而实现城市空间扩张已成为我国快速城市化建设的普遍模式。面对快速的空间城市化,城市边缘区的土地利用、空间功能、物质景观、管治方式等处于持续“动荡”状态,致使城市边缘区人口的居住、就业、社会保障、社会网络等面临极大不稳定性,城市边缘区社会系统的敏感性和脆弱性特征十分突出。利用近年来分析人地关系的经典工具——脆弱性,建立城市边缘区社会脆弱性概念框架,并以西安市为例,选择城市边缘区的25 个街道办为空间分析单元,从表征社会脆弱性的暴露度、敏感性和适应能力三个方面构建城市边缘区社会脆弱性评价指标体系和评估模型,采集遥感影像和统计年鉴数据,运用熵值法与函数模型法,对西安城市边缘区社会脆弱性进行评价;并通过进一步的多元回归分析,辨识影响社会脆弱性的关键因子,揭示城市边缘区社会脆弱性的影响因素与作用机制。
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