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人文地理  2013, Vol. 28 Issue (6): 80-85,61    DOI: 10.13959/j.issn.1003-2398.2013.06.007
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干旱区内陆河流域城乡聚落体系空间结构及影响模式研究——以石羊河流域为例
魏伟1, 石培基1, 王晓燕1, 王雪平2, 王旭峰3
1. 西北师范大学 地理与环境科学学院, 兰州 730070;
2. 兰州理工大学 土木工程学院, 兰州 730050;
3. 中国科学院 寒区旱区环境与工程研究所, 兰州 730000
THE SPATIAL STRUCTURE OF SETTLEMENTS SYSTEM AND INFLUENCE PATTERN IN THE ARID INLAND RIVER BASIN: A CASE STUDY IN SHIYANG RIVER BASIN
WEI Wei1, SHI Pei-ji1, WANG Xiao-yan1, WANG Xue-ping2, WANG Xu-feng3
1. College of Geographical and Environment Science, Northwest Normal University, Lanzhou 730070, China;
2. School of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, China;
3. Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China

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摘要 本研究以石羊河流域为研究区,选取2000、2006、2010年三期遥感影像为数据源,采用成本加权距离和城乡聚落体系潜能指数对传统的场强模型进行改进,综合利用扩张强度指数、扩张速度指数等分析研究石羊河流域内部城乡聚落体系空间结构分异。在此基础上,基于GIS技术并结合道路等级和长度计算流域内城乡聚落体系间最短时间距离来分析城乡聚落体系空间联系与空间相互作用,据此分析石羊河流域城乡聚落体系空间结构变化及影响模式。
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关键词 干旱区内陆河流域城乡聚落体系空间结构石羊河流域    
Abstract:Selecting three different remote sensing images(2000,2006 and 2010) as the data source, and cost weighted distance as well as urban-rural potential index are used to adjust and improve the field strength model. Besides, urban-rural expansion intensity index and urban-rural expansion speed index are also used to analyze urban and rural settlements spatial structure of Shiyang River Basin. The results show that: ① in the process of the urban-rural settlements spatial expand which dominated by central town, the small town is gathering and the large town is dispersing; ② the spatial structure of urban-rural settlements system show Jinchang, Wuwei as axis point, and Yongchang, GuLang, Minqin and Tianzhu as axis line; ③ the key contact among urban and rural settlements are transportation network, but inside of urban and rural settlements the administrative contact are much dominated; ④ as the core of urban settlement, the advantages of Liangzhou District and Jinchuan District are obvious in comparison with other settlement systems. Spatial reciprocity intensity between systems of Wuwei is slightly higher than that of Jinchang and Sunan and significantly higher than other settlements. Liangzhou and Jinchuan play a more important role in the urban agglomeration.The spatial connection direction appears in a circle shape around Liangzhou and Jinchuan along the traffic corridor in an axis including Lan-Xin railway and Lian-Huo highway from south to north.
Key wordsarid inland river basin    settlements system    spatial structure    Shiyang River Basin   
收稿日期: 2012-07-09     
基金资助:

国家自然科学基金项目(41261104);国家社科基金青年项目(12CTJ001);甘肃省青年科技基金计划项目(1107RJYA077)

作者简介: 魏伟(1982-),男,甘肃庄浪人,讲师,博士,主要从事GIS和RS的应用研究。E-mail:weiweigis2006@126.com。
引用本文:   
魏伟, 石培基, 王晓燕, 王雪平, 王旭峰. 干旱区内陆河流域城乡聚落体系空间结构及影响模式研究——以石羊河流域为例[J]. 人文地理, 2013, 28(6): 80-85,61. WEI Wei, SHI Pei-ji, WANG Xiao-yan, WANG Xue-ping, WANG Xu-feng. THE SPATIAL STRUCTURE OF SETTLEMENTS SYSTEM AND INFLUENCE PATTERN IN THE ARID INLAND RIVER BASIN: A CASE STUDY IN SHIYANG RIVER BASIN. HUMAN GEOGRAPHY, 2013, 28(6): 80-85,61.
链接本文:  
http://rwdl.xisu.edu.cn/CN/10.13959/j.issn.1003-2398.2013.06.007      或     http://rwdl.xisu.edu.cn/CN/Y2013/V28/I6/80
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