Green space is the main public space in the city and plays an important role in urban environmental health and residents’physical and mental health.The outbreak of COVID-19 has put forward new requirements for urban ...Green space is the main public space in the city and plays an important role in urban environmental health and residents’physical and mental health.The outbreak of COVID-19 has put forward new requirements for urban green space construction in many aspects.Based on the population vitality data of comprehensive parks in the central urban area of Beijing,this paper evaluated urban comprehensive parks in the context of COVID-19 epidemic to reveal the changing process of their use and visit characteristics,and proposed suggestions and strategies to deal with the epidemic in comprehensive parks in the central urban area of Beijing.展开更多
This study applies multi-source datasets(i.e.,Baidu Heat Map data,points of interest(POIs)data,and floor area and land use data)and geographically and temporally weighted regression(GTWR)models to elaborate the spatio...This study applies multi-source datasets(i.e.,Baidu Heat Map data,points of interest(POIs)data,and floor area and land use data)and geographically and temporally weighted regression(GTWR)models to elaborate the spatiotemporal relationships between the built environment and urban vibrancy on both weekdays and weekends,using Guangzhou City as a case.First,we verified the spatially and temporally nonstationary nature of the built environment correlates,which have been largely ignored in previous studies based on local regression techniques.The spatially and temporally heterogeneous effects of the built environment on urban vibrancy are then presented and visualized,based on the GTWR results.We found that the elasticity of location(i.e.,distance),land use mix(i.e.,diversity),building intensity and numbers of POIs with various functions(i.e.,density)are different across time(2-h intervals within a day)and space(grids),due to people’s everyday lifestyle,time-space constraints,and geographical context(e.g.,spatial structure).The findings highlight the importance of a better understanding of the local geography on the spatiotemporal relationships for urban planners and local governments so as to put forward decision-making support for fostering and maintaining urban vibrancy.展开更多
基金National Natural Science Foundation of China(51708004)Construction of Teaching Staff of Famous Young Teachers in Beijing(108051360023XN261)North China University of Technology YuYou Talent Training Program(215051360020XN160/009).
文摘Green space is the main public space in the city and plays an important role in urban environmental health and residents’physical and mental health.The outbreak of COVID-19 has put forward new requirements for urban green space construction in many aspects.Based on the population vitality data of comprehensive parks in the central urban area of Beijing,this paper evaluated urban comprehensive parks in the context of COVID-19 epidemic to reveal the changing process of their use and visit characteristics,and proposed suggestions and strategies to deal with the epidemic in comprehensive parks in the central urban area of Beijing.
基金Under the auspices of National Natural Science Foundation of China(No.41901191,41930646)Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai)(No.311020017)。
文摘This study applies multi-source datasets(i.e.,Baidu Heat Map data,points of interest(POIs)data,and floor area and land use data)and geographically and temporally weighted regression(GTWR)models to elaborate the spatiotemporal relationships between the built environment and urban vibrancy on both weekdays and weekends,using Guangzhou City as a case.First,we verified the spatially and temporally nonstationary nature of the built environment correlates,which have been largely ignored in previous studies based on local regression techniques.The spatially and temporally heterogeneous effects of the built environment on urban vibrancy are then presented and visualized,based on the GTWR results.We found that the elasticity of location(i.e.,distance),land use mix(i.e.,diversity),building intensity and numbers of POIs with various functions(i.e.,density)are different across time(2-h intervals within a day)and space(grids),due to people’s everyday lifestyle,time-space constraints,and geographical context(e.g.,spatial structure).The findings highlight the importance of a better understanding of the local geography on the spatiotemporal relationships for urban planners and local governments so as to put forward decision-making support for fostering and maintaining urban vibrancy.