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人文地理  2009, Vol. 24 Issue (6): 44-49    DOI: 10.13959/j.issn.1003-2398.2009.06.005
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基于城乡能量对比的城市空间扩展规律研究——以无锡市为例
杨山, 陈升, 张振杰
南京师范大学 地理科学学院, 南京 210046
RESEARCH ON URBAN SPATIAL EXPANSION BASED ON ENERGY CONTRAST OF RURAL AND URBAN AREAS——A Case Study of Wuxi City
YANG Shan, CHEN Sheng, ZHANG Zhen-jie
School of Geographical Sciences, Nanjing Normal University, Nanjing 210046, China

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摘要 城市空间不断向乡村空间的扩展本质是城乡能量在城乡过渡区相互作用的空间反映,城乡能量是指城乡要素作用在城乡过渡区的强度。本文以江苏省无锡市为案例,采用适用于复杂系统的统计能量分析方法作为定量分析工具构建能量测度模型,测度无锡市1984、1991、1997、2001和2005年5个时期城乡要素能量和综合能量,揭示出城市空间扩展主导方向并非沿着城乡过渡区中区位条件好、城市性较强地域方向延伸,而是指向城乡过渡区中乡村性明显的地域;城乡过渡区的小城镇成为城市空间扩展的重要推动力量,与中心城区一起推动城市性要素流动。
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关键词 能量空间扩展城乡过渡区无锡    
Abstract:Urban space expands to rural areas unceasingly along with rapid urbanization, and the essence of this expansion is the spatial reflection on rural and urban energy interaction in rural-urban fringes, and in this paper the rural-urban energy is the intensity that rural-urban essential factors exert on rural-urban fringes. Taking Wuxi as a case study, this paper adopts the statistical energy analysis applicable to complex systems as a means of quantitative analysis and builds an energy measurement model. After measuring the rural-urban factor energy and synthetic energy of Wuxi in the years of 1984、1991、1997、2001、2005, we have found that the major orientation of urban spatial expansion does not stretch towards the direction of places of good locations and a superior urban nature but towards the direction of places of an obvious rural nature in the rural-urban fringes. The small towns within the rural-urban fringes, together with the urban central areas, have become the important driving forces in urban spatial expansion which promotes the urban factors into the rural areas. Through calculating unit's areas of high, middle, low urban energy in various times, it is possible to see that the high value areas rapidly increased from 1984 to 1997, and then slowly increased, and even decreased from 1997; the middle value areas temperately increased all time; and the low value areas became negatively increased from rapid-increasing in the beginning. Finally we find that, firstly the main direction of urban spatial expansion is not the direction of good location conditions and superior urban nature but the direction of obvious rural nature in urban-rural transition region. Secondly the small towns become the important role in promoting urban factor into rural areas with the central city zone.
Key wordsenergy    spatial expansion    rural-urban fringes    Wuxi   
收稿日期: 2008-09-26     
基金资助:

国家自然科学基金项目(40771062)

作者简介: 杨山(1963-),男,江苏盐城人,博士,教授,研究方向为城市地理学。Email:jsornj@163.com
引用本文:   
杨山, 陈升, 张振杰. 基于城乡能量对比的城市空间扩展规律研究——以无锡市为例[J]. 人文地理, 2009, 24(6): 44-49. YANG Shan, CHEN Sheng, ZHANG Zhen-jie. RESEARCH ON URBAN SPATIAL EXPANSION BASED ON ENERGY CONTRAST OF RURAL AND URBAN AREAS——A Case Study of Wuxi City. HUMAN GEOGRAPHY, 2009, 24(6): 44-49.
链接本文:  
http://rwdl.xisu.edu.cn/CN/10.13959/j.issn.1003-2398.2009.06.005      或     http://rwdl.xisu.edu.cn/CN/Y2009/V24/I6/44
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