A comparative analysis of urban impervious surface and green space and their dynamics among 318 different size cities in China in the past 25 years

doi:10.1016/j.scitotenv.2019.135828

	A comparative analysis of urban impervious surface and green space and their dynamics among 318 different size cities in China in the past 25 years
	Dou, Yinyin; Kuang, Wenhui
刊名	SCIENCE OF THE TOTAL ENVIRONMENT
	2020-03-01
卷号	706 页码:12
关键词	Urban impervious surface Urban green space Urban expansion Different size cities China
ISSN号	0048-9697
DOI	10.1016/j.scitotenv.2019.135828
通讯作者	Kuang, Wenhui(kuangwh@igsnrr.ac.cn)
英文摘要	Urban impervious surface (UIS) and urban green space (UGS) fractions in a city are essential indicators in supporting urban planning and management. However, little is known about the dynamics of urban expansion and the resultant UIS/UGS fraction in different size cities in China over time. We comparatively analyzed the urban expansion, UIS/UGS, and their dynamics among 318 different size cities during 1990-2015 derived from the China Land Use/cover Datasets (CLUDs) and the UIS/UGS datasets. The results indicate that the urban expansion area for the 318 cities increased by 2.32 x 10(4) km(2) during 1990-2015, with an average growth percentage of 4.37%. Megacities experienced dramatic expansion between 1990 and 2000, and the urban expansion of large and medium cities increased rapidly in the following decade. During 2010-2015, the urban expansion of small cities notably increased. Meanwhile, the proportion of the UIS fraction in newly expanded urban land continuously decreased during 1990-2015. Compared to the other three size cities, the proportion of the UGS fraction in megacities was the highest (24.55%) in 1990 and then increased (27.99-31.97%) in newly expanded urban land during 1990-2015 due to ecological construction. Thus, more attention should be paid to the dynamics of urban expansion, especially in small cities. The proportions of UGS in large, medium, and small cities are relatively low, and urban environment needs to be improved for greenness and livability in the future. (c) 2019 Elsevier B.V. All rights reserved.
资助项目	Strategic Priority Research Program A of the Chinese Academy of Sciences, China[XDA23100201] ; National Natural Science Foundation of China, China[41590842J]
WOS关键词	LAND-USE CHANGE ; SPATIOTEMPORAL PATTERNS ; SPATIAL-PATTERNS ; DRIVING FORCES ; EXPANSION ; URBANIZATION ; SPRAWL ; GROWTH ; TIME ; FUTURE
WOS研究方向	Environmental Sciences & Ecology
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000506376300006
资助机构	Strategic Priority Research Program A of the Chinese Academy of Sciences, China ; National Natural Science Foundation of China, China
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/131307]
专题	中国科学院地理科学与资源研究所
通讯作者	Kuang, Wenhui
作者单位	Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, A11 Datun Rd, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Dou, Yinyin,Kuang, Wenhui. A comparative analysis of urban impervious surface and green space and their dynamics among 318 different size cities in China in the past 25 years[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020,706:12.
APA	Dou, Yinyin,&Kuang, Wenhui.(2020).A comparative analysis of urban impervious surface and green space and their dynamics among 318 different size cities in China in the past 25 years.SCIENCE OF THE TOTAL ENVIRONMENT,706,12.
MLA	Dou, Yinyin,et al."A comparative analysis of urban impervious surface and green space and their dynamics among 318 different size cities in China in the past 25 years".SCIENCE OF THE TOTAL ENVIRONMENT 706(2020):12.