基于GTWR模型的自行车骑行者的时空空间异质性
Xiaonan Zhang1, Xiaohui Yan2, Borui Yan1
1Xianyang Normal University, Xian Yang, Shaanxi, China.
PloS one
|April 28, 2025
概括
自行车旅行受到景点 (POI) 的质量和位置以及道路安全的影响,而不仅仅是设施号码. 城市规划应该考虑这些因素,特别是在通勤时间,以促进骑自行车.
科学领域:
- 城市规划和交通地理 城市规划和交通地理
- 可持续的移动和环境科学
背景情况:
- 骑自行车是一种可持续的交通方式,但以前关于建筑环境和骑自行车行为的研究忽视了设施质量.
- 现有的研究集中在设施数量或密度上,未能考虑到由于不同设施等级和格式而导致居民吸引力的变化.
研究的目的:
- 开发一个全面的 POI 设施质量指数,以评估其对自行车旅行的影响.
- 将道路安全指标纳入对骑自行车行为的分析.
- 使用先进的建模技术,探索骑自行车的时空特征及其与建筑环境的关系.
主要方法:
- 构建一个全面的POI设施质量指数.
- 包含自行车安全指标:非隔离条和非机动车辆停车道的比例.
- 应用地理加权回归 (GWR) 和改进的GTWR (地理和时间加权回归) 模型.
- 分析基于来自中国阳的2022年每日旅行调查数据.
主要成果:
- 与GWR模型相比,GTWR模型提供了更好的匹配,表明了时间空间变化的重要性.
- 在城市中心和边缘地区之间观察到显著的区域差异,突出了类似设施对骑自行车频率的影响.
- 建筑环境对骑自行车频率的影响与通勤时间密切相关,在高峰时段达到顶峰.
- 骑自行车的安全设施被确定为骑自行车频率的重要决定因素.
结论:
- 设施质量和道路安全是影响骑自行车行为的关键因素,不仅仅是数量或密度.
- 时空异质性显著影响了建筑环境和循环频率之间的关系.
- 结果为城市规划和设计提供了宝贵的见解,以加强自行车基础设施和促进绿色交通.
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