New study reveals how urban population density impacts city life!
The article explores how population density in Xi'an, China changes over time and space using Baidu heat map data and urban POI data. The study found that population density varies in different regions and on different days, but generally shows clustering patterns. Land use and residents' activities play a significant role in shaping population density distribution. The research suggests that Baidu heat map data and POI data are valuable tools for understanding how urban population density changes over time and space.