基于夜间灯光数据的城市群蔓延指标

被引：11

作者：

刘璐 ^{[1
,2
]}

机构：

[1] 哈尔滨工业大学深圳研究生院城市规划与管理学院

[2] 深圳市房地产评估发展中心

来源：

国土资源遥感 | 2018年 / 30卷 / 02期

关键词：

夜间灯光(NTL); 城市蔓延; 城市群;

D O I：

暂无

中图分类号：

P237 [测绘遥感技术];

学科分类号：

1404 ;

摘要：

快速城镇化带来了城市蔓延现象,而对城市蔓延现象的定量化研究在现有文献中却十分少见,尤其是对适用于大片区域且易于计算的定量化指标仍然很少涉及。因此,设计了一套基于城市群尺度的蔓延指标,包括从夜间灯光(night-time light,NTL)数据中提取的密度、发展分散度、多核心度及向心度4个方面的指标,同时采用这些指标对中国50个城市群区域进行了一系列计算。结果表明,这些指标相互独立,并从各方面揭示了城市群的形态特征,因此能够准确地表示各城市蔓延的程度。研究结果可为政府及规划部门制定城市群相关规划及政策提供基础研究方法,以促进城市群的健康发展。

引用

页码：208 / 213

页数：6

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