基于城市夜间灯光数据的中美两国城市位序规模分布对比
许伟攀, 李郇, 陈浩辉

A comparative research on the rank-size distribution of cities in China and the United States based on urban nighttime light data
Weipan XU, Xun LI, Haohui CHEN
图3 中美两国2010年人口与2013年灯光的洛伦兹曲线
Fig.3 Lorenz curve for 2010 population and 2013 nighttime light of Chinese and American cities