期刊
COMPUTERS ENVIRONMENT AND URBAN SYSTEMS
卷 77, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compenvurbsys.2019.101361
关键词
Goddess bikes; Urban dynamics; Spatial analysis; Graph structure; Transportation
类别
资金
- University of Leeds and Chinese Scholarship Council [201606420071]
- Natural Environment Research Council [NE/S009124/1]
- Economic and Social Research Council Alan Turing research fellowship [ES/R007918/1]
- ESRC [ES/S007164/1, ES/L011891/1, ES/R007918/1] Funding Source: UKRI
- NERC [NE/S009124/1] Funding Source: UKRI
The recent emergence of dockless bike sharing systems has resulted in new patterns of urban transport. Users can begin and end trips from their origin and destination locations rather than docking stations. Analysis of changes in the spatiotemporal availability of such bikes has the ability to provide insights into urban dynamics at a finer granularity than is possible through analysis of travel card or dock-based bike scheme data. This study analyses dockless bike sharing in Nanchang, China over a period when a new metro line came into operation. It uses spatial statistics and graph-based approaches to quantify changes in travel behaviours and generates previously unobtainable insights about urban flow structures. Geostatistical analyses support understanding of large-scale changes in spatiotemporal travel behaviours and graph-based approaches allow changes in local travel flows between individual locations to be quantified and characterized. The results show how the new metro service boosted nearby bike demand, but with considerable spatial variation, and changed the spatiotemporal patterns of bike travel behaviour. The analysis also quantifies the evolution of travel flow structures, indicating the resilience of dockless bike schemes and their ability to adapt to changes in travel behaviours. More widely, this study demonstrates how an enhanced understanding of urban dynamics over the last-mile is supported by the analyses of dockless bike data. These allow changes in local spatiotemporal interdependencies between different transport systems to be evaluated, and support spatially detailed urban and transport planning. A number of areas of further work are identified to better to understand interdependencies between different transit system components.
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