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Exploring Spatiotemporal Accessibility of Urban Fire Services Using Real-Time Travel Time

Author

Listed:
  • Yuehong Chen

    (College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China)

  • Yuyu Li

    (College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China)

  • Guohao Wu

    (College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China)

  • Fengyan Zhang

    (College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China)

  • Kaixin Zhu

    (College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China)

  • Zelong Xia

    (School of Urban Resource and Environment, Jiangsu Second Normal University, Nanjing 210013, China)

  • Yu Chen

    (School of Geography, Nanjing Normal University, Nanjing 210023, China
    Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing 210023, China)

Abstract

The accessibility of urban fire services is a critical indicator in evaluating fire services and optimizing fire resource allocation. However, previous studies have mainly concentrated on measuring the spatial accessibility of fire services, and little, if any, consideration has been paid to exploring the spatiotemporal dynamics of the accessibility of urban fire services. Therefore, we used real-time travel time to extend an existing spatial accessibility method to measure the spatiotemporal accessibility of fire services in a case study of Nanjing, China. The results show that (1) the overall accessibility of fire incidents and fire stations in Nanjing, China, is uneven, with relatively high accessibility in the southwest and northeast of the city center; (2) the number of fire incidents with low-level accessibility apparently increases in rush hours (i.e., 07:00–09:00 and 17:00–19:00 h) in the southeast and north of the city center, and the fire incidents with medium-level and high-level accessibility easily change to lower levels under the influence of traffic congestion, with fire incidents with medium-level accessibility being affected the most; (3) the accessibility of fire stations changes over time with an obvious W pattern, with lower accessibility during rush hours than at other times, and several fire stations in the city center present an asymmetric W pattern; (4) the accessibility decline ratio for fire stations in rush hours is greater in the city center than in urban suburbs, and the decline ratios are strongly related to the travel time increase and the percent increase in uncovered fire incidents during rush hours. The results and findings demonstrate that our method can be used to explore the spatiotemporal dynamics of the accessibility of fire services, and so can guide policymakers in improving fire services.

Suggested Citation

  • Yuehong Chen & Yuyu Li & Guohao Wu & Fengyan Zhang & Kaixin Zhu & Zelong Xia & Yu Chen, 2021. "Exploring Spatiotemporal Accessibility of Urban Fire Services Using Real-Time Travel Time," IJERPH, MDPI, vol. 18(8), pages 1-17, April.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:8:p:4200-:d:536798
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    References listed on IDEAS

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    3. Wenhao Yu & Yujie Chen & Zhanlong Chen & Zelong Xia & Qi Zhou, 2020. "Service Area Delimitation of Fire Stations with Fire Risk Analysis: Implementation and Case Study," IJERPH, MDPI, vol. 17(6), pages 1-24, March.
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    Cited by:

    1. Yongling Zhang & Xin Li & Nana Kong & Miao Zhou & Xiaobing Zhou, 2022. "Spatial Accessibility Assessment of Emergency Response of Urban Public Services in the Context of Pluvial Flooding Scenarios: The Case of Jiaozuo Urban Area, China," Sustainability, MDPI, vol. 14(24), pages 1-15, December.
    2. Wenhao Yu & Yaya Huang & Yujie Chen & Zelong Xia, 2022. "Accessibility analysis of urban fire stations within communities: a fine-scale perspective," Journal of Geographical Systems, Springer, vol. 24(4), pages 611-640, October.
    3. Linlin Liu & Bohong Zheng & Chen Luo & Komi Bernard Bedra & Francis Masrabaye, 2022. "Access to City Center: Automobile vs. Public Transit," IJERPH, MDPI, vol. 19(9), pages 1-16, May.

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