4.6 Article

The Influence of Strip-City Street Network Structure on Spatial Vitality: Case Studies in Lanzhou, China

Journal

LAND
Volume 10, Issue 11, Pages -

Publisher

MDPI
DOI: 10.3390/land10111107

Keywords

street network structure; urban vitality; spatial syntax; baidu heatmap; spatial Durbin model

Funding

  1. National Social Science Foundation of China [15BJY037, 14CJY052]
  2. Double-First Class Major Research Programs, Educational Department of Gansu Province [GSSYLXM-04]
  3. Gansu Province Key R&D Program-Industry [21YF5GA052]
  4. 2021 Gansu Higher Education Industry Support Plan [2021CYZC-60]
  5. Lanzhou Jiaotong University-Tianjin University Joint Innovation Fund project [2021057]

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In the context of China's urbanization, the influence of street network structure on economic and social development is significant and deserving of further exploration. Street network accessibility and structure have a noticeable impact on the spatial and temporal distribution of strip-city spatial vitality.
In the context of China's recent urbanization, the agglomeration and diffusion of the strip-city spatial network are gradually being reconstructed. The ways in which the street network structure affects the underlying logic of economic and social development is worthy of in-depth consideration. This study takes Lanzhou (a typical strip city in China) as a case study, using dynamic, geographic, big data and spatial syntactic-theory models to explore the influence of street network accessibility and structure on the spatial and temporal distribution of strip-city spatial vitality. We use Hotspot Analysis (Getis-Ord Gi*) to analyze the dispersal characteristics of street space vitality. In addition, the spatial and temporal heterogeneity characteristics and mechanism of the influence of street accessibility on spatial vitality are evaluated using the spatial Durbin model (SDM). The results show that: the temporal and spatial performance of urban vitality on weekdays and weekends conforms to people's daily activities, offering similar spatial agglomeration and dispersion effects; accessibility and pedestrian-friendly streets have better urban spatial vitality clustering; street network integration significantly affects the reshaping of urban vitality, but there is apparent temporal heterogeneity in the degree of impact.

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