长江经济带城市的网络层级——基于铁路公路客运视角的分析

发布时间：2018-11-08 12:08

【摘要】：基于长江经济带内126个地级市间的铁路及公路客运班次数据,运用UCINET及ArcGis软件从网络密度、城市地位及网络层级三个方面对长江经济带的城市网络结构进行了分析。结果显示:长江经济带的铁路客运网络下的省域间密度呈现出距离衰减性特征,公路客运网络形成了东中部、西部两大板块相关联的格局;度数中心度高值集聚区分别显示出轴带指向性及城市群的空间组织结构特征,铁路中介中心度的高值集聚区分布相对均衡;多层级网络分别显示出城市群核心关联格局及其组织结构拓展、客运真空地带等细节。在"海陆统筹、双向开放"的格局下,应加大西部地区交通建设投资,确立西部纵向关联轴带,加强省际边缘山区的交通网络建设,提升贫困山区中心城市的对外联系水平。
[Abstract]:Based on the data of passenger transport frequency of railway and highway between 126 cities in the Yangtze River economic belt, the network structure of Yangtze River economic belt is analyzed from three aspects: network density, city status and network level by using UCINET and ArcGis software. The results show that the interprovincial density of the railway passenger transport network in the Yangtze River economic belt shows the characteristic of distance attenuation, and the highway passenger transport network forms the pattern of the two plates related to the east and the west. The high value agglomeration area of degree centrality shows the orientation of axial zone and the spatial organization structure of urban agglomeration, and the distribution of high value agglomeration area of railway intermediary centrality is relatively balanced. The multilevel network shows the details of urban agglomeration core association pattern and its organizational structure expansion, passenger vacuum zone and so on. Under the pattern of "overall planning of land and sea, two-way opening", it is necessary to increase the investment in traffic construction in the western region, establish the longitudinal correlation axis of the western region, strengthen the construction of traffic network in the mountainous areas on the edge of the provinces, and promote the level of external connection of the central cities in the poor mountainous areas.
【作者单位】：东北师范大学地理与环境学院;东北师范大学地理科学学院;江西师范大学地理与环境学院、江西经济发展研究院;西华师范大学国土资源学院;
【基金】：国家自然科学基金项目(41561025)
【分类号】：F512.7

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