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Understanding Topological and Spatial Attributes of Bus Transportation Networks in Cities of Chongqing and Chengdu

机译:了解重庆和成都城市公交网络的拓扑和空间属性

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It is critical to understand the characteristics of public transportation networks (PTNs). Existing studies have mainly focused on the topological structure of PTNs and have revealed the commonalities of the topological structures of PTNs. However, few studies have examined the differences regarding topological structure characteristics between the PTNs of different cities. In addition, the nature and extent of the influence of specific urban geographic conditions and morphology on PTNs are unclear. This paper focuses on the influence of urban spatial and geographic environments on bus transportation networks (BTNs) by comparatively studying the topological and spatial attributes of two typical BTNs, respectively, from a mountainous city and a plain city in China, from the perspectives of basic statistical properties, types, connection properties, and spatial attributes, by using the complex networks theory and spatial analysis method. The results reveal that the two BTNs have similar statistical properties and they both have scale-free features as well as small-world features. However, these two BTNs are significantly different in the connection properties and spatial attributes. The difference is found closely related to the city’s geographic conditions and spatial morphology. The implications of this study regarding urban traffic planning and land planning are discussed.
机译:了解公共交通网络(PTN)的特征至关重要。现有研究主要集中在PTN的拓扑结构上,并揭示了PTN的拓扑结构的共性。但是,很少有研究研究不同城市的PTN之间的拓扑结构特征差异。此外,尚不清楚特定城市地理条件和形态对PTN的影响的性质和程度。本文通过从基础理论的角度比较研究两个典型的BTN的拓扑和空间属性,重点研究了城市空间和地理环境对公交运输网络(BTN)的影响。通过使用复杂网络理论和空间分析方法来统计属性,类型,连接属性和空间属性。结果表明,这两个BTN具有相似的统计属性,并且都具有无标度特征和小世界特征。但是,这两个BTN的连接属性和空间属性明显不同。发现差异与城市的地理条件和空间形态密切相关。讨论了这项研究对城市交通规划和土地规划的意义。

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