Spatial distribution of urban expansion speed in China from 1990-2020. (IMAGE)
Caption
Spatial distribution of urban expansion speed in China from 1990-2020. Red areas indicate high-speed expansion zones, orange shows medium-speed expansion, and pink represents low-speed expansion areas. The map clearly shows that the eastern region is dominated by high-speed expansion, forming three major expansion megaregions: Beijing-Tianjin-Hebei (b1), Yangtze River Delta (b2), and Guangdong-Hong Kong-Macao Greater Bay Area (b3); the central region exhibits medium-speed expansion; while western and northeastern regions are characterized by low-speed expansion.
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