城市规模分布与空气质量的关系——基于LandScan数据的跨国研究
王妤, 孙斌栋, 李琬

Relationship between city size distribution and air quality: A cross-country study based on LandScan data
WANG Yu, SUN Bindong, LI Wan
图3 2000—2015年全球国家城市规模分布与PM2.5浓度时间变化趋势
Fig. 3 Temporal evolution of global national city size distribution and PM2.5 from 2000 to 2015