基于公路客流的中国城市网络结构与空间组织模式

doi:10.11821/dlxb201702004

地理学报 ›› 2017, Vol. 72 ›› Issue (2): 224-241.doi: 10.11821/dlxb201702004

基于公路客流的中国城市网络结构与空间组织模式

陈伟^1,²(), 刘卫东¹(), 柯文前³, 王女英⁴

1. 中国科学院地理科学与资源研究所中国科学院区域可持续发展分析与模拟重点实验室,北京 100101
2. 中国科学院大学,北京 100049
3. 福建师范大学地理研究所,福州 350007
4. 北京大学城市与环境学院,北京 100871

收稿日期:2016-05-28 修回日期:2016-09-26 出版日期:2017-02-15 发布日期:2017-02-15
作者简介:
作者简介：陈伟(1989-), 男, 安徽淮南人, 博士生, 主要研究方向为经济地理与区域发展。E-mail: geochw@163.com
基金资助:
国家自然科学基金项目(41530751, 41471113);福建省自然科学基金项目(2016J05093)

The spatial structures and organization patterns of China's city networks based on the highway passenger flows

Wei CHEN^1,²(), Weidong LIU¹(), Wenqian KE³, Nvying WANG⁴

1. Institute of Geographic Sciences and Natural Resources Research, Key Laboratory of Regional Sustainable Development Modeling, CAS, Beijing 100101, China
2. University of Chinese Academy of Sciences, Beijing 100049, China
3. Institute of Geography, Fujian Normal University, Fuzhou 350007, China
4. College of Urban and Environmental Sciences, Peking University, Beijing 100871, China

Received:2016-05-28 Revised:2016-09-26 Published:2017-02-15 Online:2017-02-15
Supported by:
National Natural Science Foundation of China, No.41530751, No.41471113;Natural Science Foundation of Fujian Province, No.2016J05093

摘要/Abstract

摘要：

多视角和多尺度城市网络逐渐成为认识空间关系的主要途径。公路流数据具有显著的空间依赖性和距离衰减特性,对于刻画区域尺度空间关系具有重要意义。基于全国地级行政单元间的公路客运流,论文尝试刻画中国城市网络功能结构和区域效应,并对其空间组织模式进行特征提取和规律挖掘,以期能够为城市网络研究提供新的方法支撑和认知视角。研究结果表明：① 基于公路流的城市网络空间形态表现出强烈的空间依赖性和层级特征,与中国主要城市群分布存在较大程度的空间耦合,更多体现的是区域尺度的空间关系及核心—外围组合关系;② 通过社区发现算法识别出19个城市经济区,其空间内涵主要包括行政区经济、巨型区域溢出效应和核心—边缘结构等;③ 不同地域系统内城市网络自成体系,表现出显著的空间依赖性和多元的空间组织模式,多层次、流动性和网络化的地域系统格局凸显;④ 从空间形态上看,区域城市网络空间结构大致可划分为单中心结构、双核心结构、多中心结构和低水平均势结构等区域关联形态,并以单中心发育模式为主。

关键词: 城市网络, 城市经济区, 城市体系, 区域划分, 单中心结构, 多中心结构, 社区发现, 中国

Abstract:

The multi-level perspective and multi-scalar city network have gradually become the critical pathways to understand spatial interactions and linkages. The road linkages represent distinguished characteristics of spatial dependence and distance decay, which is of great significance in depicting spatial relationships at regional scale. Based on the data of highway passenger flows between prefecture-level administrative units, this paper tries to identify the functional structures and regional impacts of China's city network, and further explores the spatial organization patterns of the existing functional regions, aiming to deepen the understanding of city network structure and provide new cognitive perspectives for the extant research. The empirical results are shown as follows: (1) It is immediately visible that the highway flows are extremely concentrated on the mega-regions of eastern coastal China and major economic zones in central and western China. And city networks based on highway flows demonstrate strong spatial dependence and hierarchical characteristics, which to a large extent has spatial coupling with the distributions of major mega-regions in China. It is a reflection of spatial relationships at regional scale and core-periphery structure. (2) A total of 19 communities that belong to important spatial configurations are identified through community detection algorithm, and we believe that they are urban economic regions within urban China. Their spatial metaphors can be concluded in three aspects. Firstly, many communities have the same boundaries with provincial level administrative units, which reveals that significant administrative region economy still exists in contemporary China. Secondly, trans-provincial linkages can be formed through spatial spillover effects of mega-regions within specific communities. Thirdly, cities located in the marginal areas of provinces and attracted by powerful center cities in neighboring provinces may become increasingly disconnected with their own provinces and be enrolled into communities of neighboring provinces, which make contribution to the formation of the trans-provincial core-periphery structures. (3) Each community, with its distinguished city network system, demonstrates strong spatial dependence and various spatial organization patterns. Regional patterns have emerged with the features of a multi-level, dynamic and networked system. (4) From the morphology perspective, the spatial pattern of regional city networks can be basically divided into monocentric structure, dual-nuclei structure, polycentric structure and low-level equilibration structure, with the monocentric structure as the major type.

Key words: city network, urban economic region, urban system, regional division, monocentric structure, polycentric structure, community detection, China

陈伟, 刘卫东, 柯文前, 王女英. 基于公路客流的中国城市网络结构与空间组织模式[J]. 地理学报, 2017, 72(2): 224-241.

Wei CHEN, Weidong LIU, Wenqian KE, Nvying WANG. The spatial structures and organization patterns of China's city networks based on the highway passenger flows[J]. Acta Geographica Sinica, 2017, 72(2): 224-241.

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基于公路客流的中国城市网络结构与空间组织模式

The spatial structures and organization patterns of China's city networks based on the highway passenger flows

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