In this paper we systematically analyzed the theories and methods of urban spatial morphology and proposed the trend of it. Then we built the index system and developed the technical framework of urban spatial morphology based on GIS and RS. Last we studied the spatial morphology of the main urban zone of Chongqing based on the index system and technical framework. In the aspect of urban land expansion, we selected area increase, urban land expansion speed and urban land expansion intensity in each direction. In the aspect of morphological characteristics of urban external space, we selected compactness, fractal dimension and shape index. The results show that the spatial morphology of Chongqing was affected by important events such as Chongqing municipality directly under the central government. The Chongqing urban expansion focuses on the direction of north and northwest. The innovation points of this research are in the following: firstly, based on the understanding of urban spatial scale and the dependence of evolution characteristics of urban spatial morphology, analysis framework of the evolution of urban spatial morphology is constructed from the perspective of the scale; secondly, based on GIS platform that integrated spatial analysis techniques and methods of morphological evolution, such as compactness, fractal dimension and shape index are employed to analyze the evolution of urban spatial morphology. The research results provide a reference for the quantitative research of urban spatial morphology in other cities. We interpreted the urban spatial morphology and land extension intensity index in different directions with quantitative method and data. This is the major characteristics of this paper.
ZHANG Chi-Qing, GU Dui-Xin, DENG Shi-Hu, JIN Xian-Feng
. Quantitative Research of Urban Spatial Morphology: A Case Study of the Main Urban Zone of Chongqing[J]. Journal of Geo-information Science, 2013
, 15(2)
: 297
-306
.
DOI: 10.3724/SP.J.1047.2013.00297
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