城市-农村交通便利性:一种新的地理指标,用于描述城市-农村融合
Luming Liu1, Zhenghong Liang2,3,4, Lexuan Liu5
1Guangxi Transportation Science and Technology Group Co., Ltd, Nanning, Guanxi, China.
PloS one
|February 26, 2026
概括
这项研究引入了一种新的城乡交通便利性 (URTA) 模型来衡量整合,发现中国云南省的旅行时间存在显著差异. 该模型强调了地理因素如何影响接入成本,并指导农村交通规划.
科学领域:
- 地理信息系统 (GIS) 是指地理信息系统.
- 运输 地理 交通 地理
- 区域科学 地区科学
背景情况:
- 现有的关于城乡融合的文献缺乏地理指标和衡量农村定居点交通接入成本的方法.
- 描述城乡融合需要考虑地理特征,如地形和道路基础设施.
研究的目的:
- 开发一个新的地理指标和城市-农村交通便利性 (URTA) 模型,以评估整合.
- 通过根据地理特征量化接入成本来指导当地交通基础设施规划.
- 为了捕捉城市-农村接入成本的省级异质性.
主要方法:
- 利用来自中国云南14万多个村庄 (VS) 和多层道路网络的数据进行了GIS分析 (2015,2023).
- 集成了最小累积电阻模型,以模拟缺乏直接道路连接的VS的最低成本路径.
- 运用原点-目的地分析来计算从VS到县中心的旅行时间.作为URTA的衡量标准.
主要成果:
- 在发达国家和贫困国家之间观察到旅程时间和路径长度的显著差异,这表明城乡融合不平等.
- 从VS到县中心的平均行程时间从2.13小时 (2015) 减少到1.46小时 (2023).
- 在云南中部和西北部,URTA有所改善,但在西南部变化很小,突出了区域一体化差异.
结论:
- 开发的URTA模型和指标有效地阐明了地理异质地区的城乡融合.
- 这些发现强调了全球山区农村地区需要量身定制的交通规划.
- 该研究为了解和解决区域发展和连接方面的差异提供了有价值的工具.
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