Arid
DOI10.1007/s11769-014-0687-0
Characteristics and driving forces of spatial expansion of oasis cities and towns in Hexi Corridor, Gansu Province, China
Liu Hailong; Shi Peiji; Tong Huali; Zhu Guofeng; Liu Haimeng; Zhang Xuebin; Wei Wei; Wang Xinmin
通讯作者Shi Peiji
来源期刊CHINESE GEOGRAPHICAL SCIENCE
ISSN1002-0063
EISSN1993-064X
出版年2015
卷号25期号:2页码:250-262
英文摘要

This paper presents an integrated study of urban spatial expansion in the Hexi Corridor, Gansu Province, China based on TM, ETM remote sensing data in 1987, 1990, 1995, 2000, 2006 and 2011. The study explores the characteristics of urban spatial expansion and dynamic mechanism by using expansion speed index, expansion intensity index, compact index, fractal dimension, and extended flexibility index. We built the index system of influencing factors of urban spatial expansion by using the grey incidence model. The results showed that urban spatial expansion rate in the Hexi Corridor has been on the upward trend since 1987. Expansion intensity showed an obvious upward trend, however, the upward trend varied in different urban areas. In addition, the urban structure was loose relatively, but the urban compactness was more obvious. The urban spatial form tended to be simple, and the urban land use tended to become more intensive. Urban spatial expansion experienced several stages: padding internally, external expansion and padding internally. The main driving factors of urban spatial expansion are not the urban water resources and the oasis scale, but one or several factors such as economy, traffic, population, resource and national policy.


英文关键词spatial expansion driving forces oasis cities and towns Hexi Corridor China
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000351087900010
WOS关键词URBAN EXPANSION ; URBANIZATION ; GROWTH
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/186474
作者单位Northwest Normal Univ, Coll Geog & Environm Sci, Lanzhou 730070, Peoples R China
推荐引用方式
GB/T 7714
Liu Hailong,Shi Peiji,Tong Huali,et al. Characteristics and driving forces of spatial expansion of oasis cities and towns in Hexi Corridor, Gansu Province, China[J],2015,25(2):250-262.
APA Liu Hailong.,Shi Peiji.,Tong Huali.,Zhu Guofeng.,Liu Haimeng.,...&Wang Xinmin.(2015).Characteristics and driving forces of spatial expansion of oasis cities and towns in Hexi Corridor, Gansu Province, China.CHINESE GEOGRAPHICAL SCIENCE,25(2),250-262.
MLA Liu Hailong,et al."Characteristics and driving forces of spatial expansion of oasis cities and towns in Hexi Corridor, Gansu Province, China".CHINESE GEOGRAPHICAL SCIENCE 25.2(2015):250-262.
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