基于夜间灯光和微博签到数据的郑州市城市空间结构识别

魏石梅,潘竟虎

Identification of Urban Spatial Structure in Zhengzhou City based on Nighttime Light and Microblog Check-in Data

Shimei Wei,Jinghu Pan

图5 郑州市等值线树轮廓图

Fig.5 Boundaries of contour trees in Zhengzhou