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Spatial Interaction and Network Structure Evolvement of Cities in Terms of China's Rail Passenger Flows

查看全文 作  者:DAI [1]Teqi;JIN [2]Fengjun 高影响力作者 机构地区:[1]School of Geography, Beijing Normal University, Beijing 100875, China,;[2]Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China高影响力机构 出  处:《Chinese Geographical Science》索引2008年第18卷第3期,共8页高影响力期刊 基  金:Under the auspices of Key Project of National Natural Science Foundation of China (No 40635026) 摘  要:Cities separated in space are connected together by spatial interaction (SI) between them. But the studies focusing on the SI are relatively few in China mainly because of the scarcity of data. This paper deals with the SI in terms of rail passenger flows, which is an important aspect of the network structure of urban agglomeration. By using a data set consisting of rail O-D (origin-destination) passenger flows among nearly 200 cities, intercity rail distance O-D matrixes, and some other indices, it is found that the attenuating tendency of rail passenger is obvious. And by the analysis on dominant flows and spatial structure of flows, we find that passenger flows have a trend of polarizing to hubs while the linkages between hubs upgrade. However, the gravity model reveals an overall picture of convergence process over time which is not in our expectation of integration process in the framework of globalization and economic integration. Some driven factors for the re-organization process of the structure of urban agglomeration, such as technique advance, globalization, etc. are discussed further based on the results we obtained. 关 键 词:城市凝聚 空间交互作用 引力模拟 网络结构
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