基于夜间灯光数据的都市圈空间拓展特征及驱动因素分析
Analysis of Spatial Expansion Characteristics and Driving Factors of Metropolitan Area based on Nighttime Light Data
易成栋 1袁佳丽 1郑亮 1樊正德2
作者信息
- 1. 中央财经大学管理科学与工程学院,北京,100081
- 2. 湖北经济学院经济与贸易学院,湖北武汉,430205
- 折叠
摘要
我国进入了新型城镇化阶段,需要建设现代化都市圈实现城镇化高质量发展.基于2000-2020年的区县级夜间灯光数据分析了首都都市圈、上海都市圈和广州都市圈的空间拓展特征,探究其驱动因素.研究发现:三大都市圈夜间灯光值从内向外变小,其中首都都市圈内部差异最大;随着时间的变化,三大都市圈中、高亮度区域不断增加,从核心区向外拓展;高亮度区域呈现较强的空间集聚;地理探测器发现三大都市圈的空间拓展受到了产业结构、地理距离和环境因子的影响;多元回归模型结果显示三大都市圈分区县的夜间灯光值变化受其市场潜力、产业结构、地理距离、环境因素的影响,随着时间及产业结构变化,坡度因素的效应发生了变化,首都都市圈的空间拓展与上海、广州都市圈存在明显的差异.
Abstract
China has entered the stage of new urbanization,and it is necessary to build a modern metropolitan area to achieve high-quality urbanization.Based on the analysis of district and county-level nighttime light data from 2000 to 2020,this paper analyzes the spatial expansion characteristics of the capital,the Shanghai and the Guangzhou metropolitan area,and explores their driving factors.The results show that the nighttime light value of the three metropolitan areas decreases from the inside to the outside,and the difference within the capital metropolitan area is the largest.Over time,the middle and high-brightness areas of the three metropolitan areas continue to increase,expanding outward from the core area.The high-brightness area showed strong spatial agglomeration.The geographic detector found that the spatial expansion was affected by industrial structure,geographical distance and environmental factors.The results of multiple regression model show that the change of nighttime light value is affected by their market potential,industrial structure,geographical distance and environmental factors,and the effect of slope changes with the change of time and industrial structure,and the spatial expansion of the capital metropolitan area is significantly different from that of the other two.
关键词
都市圈/空间拓展/驱动因素Key words
Metropolitan Area/Space Expansion/Driving Factors引用本文复制引用
出版年
2024
NETL
NSTL
万方数据