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Analysis of urban expansion measurement and driving mechanism in typical region of Pearl River Delta

XU Qiheng;HUANG Yingbing;Dongguan Institute of Surveying and Mapping;Dongguan Geographic Information & Urban Planning Research Center;  
Taking Dongguan city as an example,this paper puts forward the dynamic change and expansion intensity of urban expansion from 1988 to 2013 with TM and spot remote sensing images in view of its lack of longer span and more systematic urban expansion.By using correlation test and principal component analysis,this paper establishes a stepwise regression model and analyses the driving mechanism of urban expansion.The research shows that the proposed method quantitative analysis of the number of urban expansion,expansion intensity and four different stages,the research results can provide scientific reference for land resource management and urban planning.
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