| 时间异质性视角下对中国城市形态多中心性演化的探究 |
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| 引用本文： | 马秀馨,刘耀林,刘艳芳,江平,安子豪,张翔晖.时间异质性视角下对中国城市形态多中心性演化的探究[J].地理研究,2020,39(4):787-804. |
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| 作者姓名： | 马秀馨 刘耀林 刘艳芳 江平 安子豪 张翔晖 |
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| 作者单位： | 1.武汉大学资源与环境科学学院,武汉 4300792.武汉大学地理信息系统教育部重点实验室,武汉 4300793.地球空间信息技术协同创新中心,武汉 4300794.利兹大学交通研究中心,利兹 LS2 9JT |
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| 基金项目： | 国家重点研发计划项目(2017YFB0503601) |
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| 摘 要： | 针对现有文献对于城市内部多中心空间结构演化过程中的时间异质性探讨不足的问题,本研究基于1 km格网人口数据,采用相对最小阈值法测度2005—2015年全国地级市城市内部形态多中心性,使用系统聚类算法对其时序演化模式进行归纳,并通过混合效应模型将时间异质性纳入到城市多中心性演化相关因素的探索中。研究发现：① 中国城市多中心结构在2010年前后基本形成;② 共识别了五种多中心的演化模式;③ 多中心性与区位特征、人口特征、经济水平、基础设施和城市规模显著相关;④ 中国城市多中心性演化在时间序列上呈现出差异性,符合扩散-聚合的规律,与经典城市结构理论相契合。研究发现及使用的相应方法有助于推进对于城市多中心性发展规律的进一步理解。
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| 关 键 词： | 城市多中心性 时间异质性 模式归纳 相关因素 混合效应模型 |
| 收稿时间： | 2019-05-04 |
| 修稿时间： | 2019-09-12 |
Exploring the evolution of morphological polycentricity in urban China from the perspective of temporal heterogeneity |
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| MA Xiuxin,LIU Yaolin,LIU Yanfang,JIANG Ping,AN Zihao,ZHANG Xianghui.Exploring the evolution of morphological polycentricity in urban China from the perspective of temporal heterogeneity[J].Geographical Research,2020,39(4):787-804. |
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| Authors: | MA Xiuxin LIU Yaolin LIU Yanfang JIANG Ping AN Zihao ZHANG Xianghui |
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| Institution: | 1.School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China2.Key Laboratory of Geographic Information System, Ministry of Education, Wuhan University, Wuhan 430079, China3.Collaborative Innovation Center for Geospatial Information Technology, Wuhan 430079, China4.Institute for Transport Studies, University of Leeds, Leeds LS2 9JT, United Kingdom |
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| Abstract: | The existing research on the temporal heterogeneity across the urban-internal polycentric developments remains insufficient. To fill this research gap, we employed the relative minimum threshold approach to measure the intra-city morphological polycentricity in Chinese prefecture-level cities, 2005-2015, using the 1-km-grid population dataset. The hierarchical-cluster analysis was then adopted to induce the patterns of temporal variations in polycentricity. Finally, the mixed effect model is used to capture the temporal heterogeneity and explore the correlation factors of intra-city polycentricity during the focal period. The results showed that: (1) the multicenter structure of Chinese cities has been basically formed around 2010; (2) five evolution patterns were identified; (3) the urban-internal morphological polycentricity presented significant correlations with the geographic features, demographic characteristics, economic performance, infrastructures, and city size; (4) consistent with the classic urban structure theory, the evolution in urban China exhibited significant temporal variations and conformed to the diffusion-coalescence development pattern. The research findings and corresponding methodologies of the current research can help to advance the understanding of patterns of urban polycentric developments in urban China. |
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| Keywords: | urban polycentricity temporal heterogeneity pattern Induction determinants mixed effect model |
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