After analyzing the fraction of difference classes over time series, we conclude that the comparison of derived land cover classes with socio-economic statistics demonstrates the strong positive correlation between built-up classes and urban population as well as gross GDP and GDPs in second and tertiary industries. Two different mechanisms of urbanization, namely new land development and redevelopment, are revealed. Consequently, we found that, the districts of Shenzhen were urbanized through different mechanisms.
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Lihuang He, Guihua Dong, Wei-Min Wang, Lijun Yang, Hong Liang, "Object-based change detection in rapid urbanization regions with remotely sensed observations: a case study of Shenzhen, China," Proc. SPIE 8893, Earth Resources and Environmental Remote Sensing/GIS Applications IV, 88931W (24 October 2013);