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Approximating actual flows in physical infrastructure networks : the case of the Yangtze River Delta high-speed railway network

Weiyang Zhang (UGent) , Ben Derudder (UGent) , Jianghao Wang and Frank Witlox (UGent)
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Organization
Abstract
Previous empirical research on urban networks has used data on infrastructure networks to guesstimate actual inter-city flows. However, with the exception of recent research on airline networks in the context of the world city literature, relatively limited attention has been paid to the degree to which the outline of these infrastructure networks reflects the actual flows they undergird. This study presents a method to improve our estimation of urban interaction in and through infrastructure networks by focusing on the example of passenger railways, which is arguably a key potential data source in research on urban networks in metropolitan regions. We first review common biases when using infrastructure networks to approximate actual inter-city flows, after which we present an alternative approach that draws on research on operational train scheduling. This research has shown that 'dwell time' at train stations reflects the length of the alighting and boarding process, and we use this insight to estimate actual interaction through the application of a bimodal network projection function. We apply our method to the high-speed railway (HSR) network within the Yangtze River Delta (YRD) region, discuss the difference between our modelled network and the original network, and evaluate its validity through a systemic comparison with a benchmark dataset of actual passenger flows.
Keywords
INTERNET BACKBONE, WORLD CITY NETWORKS, CITIES, CONNECTIVITY, TRAINS, CHINA, GEOGRAPHIES, PASSENGER, SPACE, Yangtze River Delta, high-speed railway, dwell time, railway networks, passenger flows

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MLA
Zhang, Weiyang, et al. “Approximating Actual Flows in Physical Infrastructure Networks : The Case of the Yangtze River Delta High-Speed Railway Network.” BULLETIN OF GEOGRAPHY-SOCIO-ECONOMIC SERIES, vol. 31, 2016, pp. 145–60, doi:10.1515/bog-2016-0010.
APA
Zhang, W., Derudder, B., Wang, J., & Witlox, F. (2016). Approximating actual flows in physical infrastructure networks : the case of the Yangtze River Delta high-speed railway network. BULLETIN OF GEOGRAPHY-SOCIO-ECONOMIC SERIES, 31, 145–160. https://doi.org/10.1515/bog-2016-0010
Chicago author-date
Zhang, Weiyang, Ben Derudder, Jianghao Wang, and Frank Witlox. 2016. “Approximating Actual Flows in Physical Infrastructure Networks : The Case of the Yangtze River Delta High-Speed Railway Network.” BULLETIN OF GEOGRAPHY-SOCIO-ECONOMIC SERIES 31: 145–60. https://doi.org/10.1515/bog-2016-0010.
Chicago author-date (all authors)
Zhang, Weiyang, Ben Derudder, Jianghao Wang, and Frank Witlox. 2016. “Approximating Actual Flows in Physical Infrastructure Networks : The Case of the Yangtze River Delta High-Speed Railway Network.” BULLETIN OF GEOGRAPHY-SOCIO-ECONOMIC SERIES 31: 145–160. doi:10.1515/bog-2016-0010.
Vancouver
1.
Zhang W, Derudder B, Wang J, Witlox F. Approximating actual flows in physical infrastructure networks : the case of the Yangtze River Delta high-speed railway network. BULLETIN OF GEOGRAPHY-SOCIO-ECONOMIC SERIES. 2016;31:145–60.
IEEE
[1]
W. Zhang, B. Derudder, J. Wang, and F. Witlox, “Approximating actual flows in physical infrastructure networks : the case of the Yangtze River Delta high-speed railway network,” BULLETIN OF GEOGRAPHY-SOCIO-ECONOMIC SERIES, vol. 31, pp. 145–160, 2016.
@article{7408886,
  abstract     = {Previous empirical research on urban networks has used data on infrastructure networks to guesstimate actual inter-city flows. However, with the exception of recent research on airline networks in the context of the world city literature, relatively limited attention has been paid to the degree to which the outline of these infrastructure networks reflects the actual flows they undergird. This study presents a method to improve our estimation of urban interaction in and through infrastructure networks by focusing on the example of passenger railways, which is arguably a key potential data source in research on urban networks in metropolitan regions. We first review common biases when using infrastructure networks to approximate actual inter-city flows, after which we present an alternative approach that draws on research on operational train scheduling. This research has shown that 'dwell time' at train stations reflects the length of the alighting and boarding process, and we use this insight to estimate actual interaction through the application of a bimodal network projection function. We apply our method to the high-speed railway (HSR) network within the Yangtze River Delta (YRD) region, discuss the difference between our modelled network and the original network, and evaluate its validity through a systemic comparison with a benchmark dataset of actual passenger flows.},
  author       = {Zhang, Weiyang and Derudder, Ben and Wang, Jianghao and Witlox, Frank},
  issn         = {1732-4254},
  journal      = {BULLETIN OF GEOGRAPHY-SOCIO-ECONOMIC SERIES},
  keywords     = {INTERNET BACKBONE,WORLD CITY NETWORKS,CITIES,CONNECTIVITY,TRAINS,CHINA,GEOGRAPHIES,PASSENGER,SPACE,Yangtze River Delta,high-speed railway,dwell time,railway networks,passenger flows},
  language     = {eng},
  pages        = {145--160},
  title        = {Approximating actual flows in physical infrastructure networks : the case of the Yangtze River Delta high-speed railway network},
  url          = {http://dx.doi.org/10.1515/bog-2016-0010},
  volume       = {31},
  year         = {2016},
}

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