基于夜光遥感影像与百度POI数据的中国城市群空间范围识别方法

梁泽, 黄姣, 韦飞黎, 申嘉澍, 李双成

Identifying the spatial range of urban agglomerations in China based on night light remote sensing and POI data

LIANG Ze, HUANG Jiao, WEI Feili, SHEN Jiashu, LI Shuangcheng

图2 2015年北京及其周边地区夜间灯光指数(a)、POI密度(b)与CSEI(c)的空间分布格局

Fig. 2 Spatial pattern of night light index, POI density and CSEI in Beijing and its surrounding areas in 2015