期刊
CITIES
卷 77, 期 -, 页码 104-116出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.cities.2018.01.017
关键词
Vibrancy; Spatio-temporal variation; Heterogeneity; Check-in data; POI; Shenzhen
资金
- National Natural Science Foundation of China [41571438]
- Open Fund of Key Laboratory of Urban Land Resources Monitoring and Simulation Ministry of Land and Resources [KF-2016-02-028]
- Hubei Key Laboratory of Regional Development and Environmental Response (Hubei University) [2015-B-002]
Urban vibrancy describes the attraction, diversity and accessibility of a place and exhibits spatio-temporal variability. The relationships between urban vibrancy and land-use configurations are significant for governments, planners and residents. To date, it is challenging for traditional census datasets to support real-time analysis with detailed spatial and temporal granularity. This article takes advantage of emerging crowdsourcing data and adopts social media check-ins over a 24-h period as a proxy for urban vibrancy. A framework that incorporates kernel density estimation (KDE), geographically and temporally weighted regression (GTWR) and the Herfindahl-Hirschman index (HHI) is proposed to explore the spatio-temporal distribution characteristics of vibrancy and the spatio-temporal relationships with the influential factors. The results show that the evolution of vibrancy is influenced by various factors that are heterogeneous over space and time. With a new perspective and deeper understanding of the varying spatio-temporal relationships between vibrancy and point of interest (POI)-based configurations, this study can offers meaningful implications for policy makers and planners regarding the improvement of resource utilization and the rational design of neighbourhoods.
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