Tempo‐spatial variability of urban leisure functional zones: An analysis based on geo‐big data

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Abstract
New insights into urban functional zones with a specific focus on leisure is of great significance for human‐oriented urban development. The spatiotemporal pattern of urban leisure functional zones (ULFZ) reflects to what extent human psychological needs are satisfied. This article aims to discern ULFZ and reveal their changing regularity based on the taxi trajectory data and points of interests (POIs) by the DBSCAN algorithm, latent dirichlet allocations (LDA) and spatial analytical techniques. Results are concluded as follows: 1) the spatial distribution of ULFZs are dynamic and imbalanced at various periods; 2) among urban leisure subfunctions, cultural function is severely weaker than entertaining, sportive, and tourist function; and 3) the changes in ULFZ are kind of consistent at multiple spatial scales. This research benefits the leisure‐oriented urban planning.

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