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The changing influence of city-systems on global shipping networks: an empirical analysis

机译:城市系统对全球航运网络变化影响的实证分析

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This paper revisits the classical issue of port-city relationships by applying for the first time network analytical methods to maritime flows connecting cities of the world, over the period 1950–1990. A global matrix of interurban vessel flows was elaborated for about 600 cities using data from the Geopolis and Lloyd’s Shipping Index databases and the rigorous assignment of ports to both coastal and inland urban areas. Main results show that although the largest cities have witnessed a diminishing importance in world traffic, they have maintained their dominance in the network in terms of centrality and geographic reach. This research thus contributes to question the ineluctable separation between ports and cities which dominated the literature, while offering new empirical evidence about the structure and dynamics of city-systems and spatial networks in general.
机译:本文通过将网络分析方法首次应用到1950-1990年间连接世界各城市的海流中,重新审视了港口城市关系的经典问题。利用来自Geopolis和Lloyd的Shipping Index数据库的数据,以及对沿海和内陆城市地区的港口的严格分配,详细阐述了约600个城市的城市间船只流动的全球矩阵。主要结果表明,尽管最大的城市在世界交通量中的重要性正在下降,但就中心性和地理范围而言,它们在网络中仍保持着主导地位。因此,这项研究有助于质疑主导文献的港口和城市之间不可避免的分离,同时为有关城市系统和空间网络的结构和动态提供了新的经验证据。

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