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GPS Trajectory-Based Spatio-Temporal Variations of Traffic Accessibility under Public Health Emergency Consideration  ( SCI-EXPANDED收录 EI收录)  

文献类型:期刊文献

英文题名:GPS Trajectory-Based Spatio-Temporal Variations of Traffic Accessibility under Public Health Emergency Consideration

作者:Dong, Luqi[1];Lv, Ying[1];Sun, Huijun[1];Zhi, Danyue[1];Chen, Tingting[2]

第一作者:Dong, Luqi

通讯作者:Lv, Y[1]

机构:[1]Beijing Jiaotong Univ, Sch Traff & Transportat, Minist Transport, Inst Transportat Syst Sci & Engn,Key Lab Transpor, Beijing 100044, Peoples R China;[2]Beijing Union Univ, Smart City Coll, Beijing 100101, Peoples R China

第一机构:Beijing Jiaotong Univ, Sch Traff & Transportat, Minist Transport, Inst Transportat Syst Sci & Engn,Key Lab Transpor, Beijing 100044, Peoples R China

通讯机构:[1]corresponding author), Beijing Jiaotong Univ, Sch Traff & Transportat, Minist Transport, Inst Transportat Syst Sci & Engn,Key Lab Transpor, Beijing 100044, Peoples R China.

年份:2021

卷号:2021

外文期刊名:JOURNAL OF ADVANCED TRANSPORTATION

收录:;EI(收录号:20211710245883);Scopus(收录号:2-s2.0-85104401309);WOS:【SSCI(收录号:WOS:000637368000001),SCI-EXPANDED(收录号:WOS:000637368000001)】;

基金:This research was supported by the National Key R&D Program of China (2019YFB1600200), National Natural Science Foundation of China (71971022, 72091513, and 91846202), and Fundamental Research Funds for the Central Universities (2019YJS099 and 2019JBM029).

语种:英文

外文关键词:Health care - Population distribution - Population dynamics - Population statistics - Public health - Research and development management - Risk management - Spatial variables measurement

摘要:Medical services are essential to public concerns and living qualities. Facing new public health events, the spatio-temporal variation of healthcare accessibility can be different, which is ignored in the previous accessibility studies. In this paper, we study the spatio-temporal variation of healthcare accessibility and residents' accessibility to the designated hospitals under public health emergencies such as COVID-19. Metropolitan Beijing is chosen as the study area. Then, we analyze the spatial disparity and the temporal variation and measure the matching degree between healthcare accessibility and population density. From the perspective of epidemic prevention, we evaluate the medical capacity of the designated hospitals. The autocorrelation method is used to analyze the spatial correlation of residents' accessibility to designated hospitals in the study area. A conclusion can be drawn that 74.14% grids in the study area have proportionate population density and healthcare accessibility. We find that the 5th Medical Center has sufficient medical resources, and Puren hospital is less affected by time. Moreover, the result of residents' accessibility to the designated hospitals presents a pattern of high-value aggregation in the arterial road neighborhood. At the same time, the peripheral areas show a trend of low-value aggregation. The research in healthcare accessibility can provide a reference for policymakers in medical service development and public emergency management.

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