Regional differences in socioeconomic trends: The spatiotemporal evolution from individual cities to a megacity region over a long time series
Fig 7
Gravity centers and SDEs of the population, GDP and total retail sales of the GBA.
Reprinted background map from the National Catalogue Service for Geographic Information (www.webmap.cn) under a CC BY license, with permission from the National Geomatics Center of China, original copyright 2020.