段素素,郑江华,余丹林,韩林芝

• 1:新疆大学资源与环境科学学院
• 2:新泽西州蒙特克莱尔大学地球与环境研究系
• 3:经济研究所

摘要(Abstract)：

为了探究"一带一路"重要节点中典型绿洲城市的扩张特征,该文以乌鲁木齐市为例,应用DMSP/OLS夜间灯光数据和统计数据,采用二分法提取建成区范围,选取扩张速度、紧凑度、分型维数、城市扩张弹性系数等指标,运用扇形分析、同心圆分析等方法,探究典型绿洲城市扩张的时空特征;结合统计数据等分析城市扩张的驱动机制。研究结果表明:乌鲁木齐市建成区面积在1993—2013年20年间从64 km~2扩张到428 km~2,净增约6.69倍。城市扩张经历了由中速到高速扩张,由分散到集中扩张,重心由东向西、由南向北扩张转移的过程。研究发现,在扩张过程中,城市扩张弹性系数从1.96增加至7.93,城市人地关系不和谐程度加剧,城市布局的合理性有待提升,边界趋于简单化。

关键词(KeyWords)： DMSP/OLS;乌鲁木齐市;城市扩张

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41461035);; 国家社科基金项目(15XJL003);; 新疆大学博士科研启动基金项目(BS160128)

作者(Author): 段素素,郑江华,余丹林,韩林芝

DOI: 10.16251/j.cnki.1009-2307.2020.08.028

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