城市夜间灯光强度空间衰减规律及应用
郑沐辰, 许刚, 肖锐, 焦利民

Distance decay of nighttime lights from urban centers and its application
ZHENG Muchen, XU Gang, XIAO Rui, JIAO Limin
图3 成都市2020年夜间灯光空间分布及圈层划分(a)和归一化夜间灯光亮度均值的空间衰减(b)
Fig.3 Spatial distributions of nighttime lights (a) and distance decay (b) in Chengdu City in 2020