Qin Jing1; Fang Chuanglin1; Wang Yang2; Li Guangdong1; Wang Shaojian1
Source Publicationchinesegeographicalscience
AbstractWith rapid urban development in China in the last two decades, the three-dimensional (3D) characteristic has been the main feature of urban morphology. However, the vast majority of researches of urban growth have focused on the planar area (two-dimensional (2D)) expansion. Few studies have been conducted from a 3D perspective. In this paper, the 3D urban expansion of the Yangzhou City, Jiangsu Province, China from 2003 to 2012 was evaluated based on Geographical Information System (GIS) tools and high-resolution remote sensing images. Four indices, namely weighted average height of buildings, volume of buildings, 3D expansion intensity and 3D fractal dimension are used to quantify the 3D urban expansion. The weighted average height of buildings and the volume of buildings are used to illustrate the temporal change of the 3D urban morphology, while the other two indices are used to calculate the expansion intensity and the fractal dimension of the 3D urban morphology. The results show that the spatial distribution of the high-rise buildings in Yangzhou has significantly spread and the utilization of the 3D space of Yangzhou has become more efficient and intensive. The methods proposed in this paper laid a foundation for a wide range of study of 3D urban morphology changes.
Document Type期刊论文
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
Qin Jing,Fang Chuanglin,Wang Yang,et al. evaluationofthreedimensionalurbanexpansionacasestudyofyangzhoucityjiangsuprovincechina[J]. chinesegeographicalscience,2015,25(2):224.
APA Qin Jing,Fang Chuanglin,Wang Yang,Li Guangdong,&Wang Shaojian.(2015).evaluationofthreedimensionalurbanexpansionacasestudyofyangzhoucityjiangsuprovincechina.chinesegeographicalscience,25(2),224.
MLA Qin Jing,et al."evaluationofthreedimensionalurbanexpansionacasestudyofyangzhoucityjiangsuprovincechina".chinesegeographicalscience 25.2(2015):224.
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