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Article

Site Selection for Pre-Hospital Emergency Stations Based on the Actual Spatiotemporal Demand: A Case Study of Nanjing City, China

School of Architecture, Si Pailou Campus of Southeast University, Nanjing 210096, China
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ISPRS Int. J. Geo-Inf. 2020, 9(10), 559; https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9100559
Received: 1 August 2020 / Revised: 12 September 2020 / Accepted: 23 September 2020 / Published: 25 September 2020
(This article belongs to the Special Issue Geo-Information Technology and Its Applications)
Rapid economic and social development has been accompanied by the occurrence of many major issues throughout the world. Specifically, there is an ever-increasing demand for emergent medical services among the public. In order to ensure timely responses to emergency demands, it is critical to reasonably configure the emergency stations. In general, emergency stations are mostly distributed according to the distribution of emergency demands and response time, which, however, fails to consider the negative impacts of randomly occurring emergency demands and traffic delays. In this study, first aid demands are combined with traffic states based on the spatiotemporal big data set covering model, which alleviates the negative impacts of randomly occurring first aid demands and traffic delay time on the planning of pre-hospital first aid stations. Moreover, the accuracy of the site selection model is improved, which meets the requirements that all randomly occurring simulated first aid demands can be approached within the target time under planning conditions and actual traffic constraints. Taking Nanjing City as an example, this study obtains multi-source big data, such as ambulance-carried GPS data from June 2018 to June 2019, Gaode Map-recorded traffic congestion data, and survey data of emergency rescue facilities. Basing on the processing and analysis of these data, it shows that first aid demands in Nanjing City are highly region-specific with high time delay. Various required factors are determined based on modeling and analysis, and the target time is agreed to be 8 min. The average vehicle speed on each road is calculated, accompanied by the establishment of an actual road network model. In this context, the transit time from the randomly distributed first aid stations to the hospital can be calculated, which are set to satisfy the model conditions so as to obtain the solution. Finally, such a solution is adjusted and verified according to the land-use situation. The results of this study, based on spatiotemporal big data, are expected to provide insights into improving the site selection model and enhancing efficiency while providing new technical methods. View Full-Text
Keywords: pre-hospital emergency; spatiotemporal demand; GPS data pre-hospital emergency; spatiotemporal demand; GPS data
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MDPI and ACS Style

Han, B.; Hu, M.; Wang, J. Site Selection for Pre-Hospital Emergency Stations Based on the Actual Spatiotemporal Demand: A Case Study of Nanjing City, China. ISPRS Int. J. Geo-Inf. 2020, 9, 559. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9100559

AMA Style

Han B, Hu M, Wang J. Site Selection for Pre-Hospital Emergency Stations Based on the Actual Spatiotemporal Demand: A Case Study of Nanjing City, China. ISPRS International Journal of Geo-Information. 2020; 9(10):559. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9100559

Chicago/Turabian Style

Han, Bing, Mingxing Hu, and Jialing Wang. 2020. "Site Selection for Pre-Hospital Emergency Stations Based on the Actual Spatiotemporal Demand: A Case Study of Nanjing City, China" ISPRS International Journal of Geo-Information 9, no. 10: 559. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9100559

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