| 英文摘要： |
Urban parks, especially of large size, are highly beneficial for the physical, mental, and social well-being of urban residents by providing various recreational services. However, traditional methods and data sources to evaluate the park provision of recreation service take no account of actual user distribution and the interactions between cities. In this study, we used the density of mobile phone park check-ins and the average service radius of large urban parks, extracted from a massive volume of anonymized mobile phone signaling data, as two rapid indicators of the recreational use efficiency of large urban parks for 11 cities in the Beijing-Tianjin-Hebei (BTH) region. The results indicated the significant disparities among cities in terms of park visitation and service area in this region. Then, we conducted Hierarchical linear regression (HLR) models to explore the relationships between the two indicators and fourteen potential influencing city-level and park-specific factors for 206 sampled large urban parks. Park size was found to have the strongest and negative effect on the density of mobile phone check-ins of large urban parks, while the distance to the administrative center and park landscape shape index (LSI) was also negatively associated with the density of mobile park check-ins. Urban built-up area and the green coverage rate, positively associated with the density of mobile park check-ins, had a negative weight on the service radius of large urban parks. However, the number of POIs within the 1000m buffer and the overall park rating were positively associated with both the density of mobile park check-ins and the service radius of large urban parks. Our findings validated the trends of inter-city short trips on weekends and holidays, which necessitate a comprehensive plan on regional green space construction and sharing in city clusters, in order to improve both ecological and recreational services and benefit the health and well-being of urban residents at a larger scope. |
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