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通过多维元素流的透视来检查城市聚集区的空间网络:来自中国西部的证据
Xiaohui Zhang1, Jifei Zhang1,2
1Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, 610299, China.
Heliyon
|October 25, 2023
概括
成都-重庆城市聚集地显示了宽松的网络结构,连接不均,西强东弱的模式,以及整体资源连接低,影响区域发展.
科学领域:
- 城市和区域规划 城市和区域规划
- 空间网络分析 空间网络分析
- 经济地理 经济地理
背景情况:
- 成都-重庆城市聚集区 (CCUA) 是中国西南部的国家级城市集群的关键,对长江经济带和新型城市化至关重要.
- 了解CCUA的网络特征对于优化空间结构,连接性和促进高质量的区域发展至关重要.
研究的目的:
- 系统地分析成都-重庆城市聚集区 (CCUA) 的空间连接模式和网络结构.
- 量化评估CCUA内部的流量,信息和迁移流.
- 为CCUA未来的发展和优化提供理论参考.
主要方法:
- 为交通,信息,迁移和复合元件构建流动模型,以计算城际连接强度.
- 使用ArcGIS进行元素流模式在CCUA内的空间可视化.
- 应用社会网络分析 (SNA),包括网络密度,中心性和凝聚性子组分析.
主要成果:
- CCUA的整体结构松散,连接性差异很大,呈现出西部强,东部弱的模式. 成都和重庆是中央的,成都占据了一个更为突出的核心位置.
- 大多数城市的低网络密度和中等到较低的中心性表明整个CCUA的整体元素和资源连接性较弱.
- 城市往往形成地理上相邻的凝聚在一起的子集团,尽管重庆的子集团发展受到行政边界的阻碍.
结论:
- CCUA的空间网络结构的特点是分层分布和不均的连接,需要有针对性的发展策略.
- 鉴定到的连接能力较弱,凸显了综合区域发展和资源优化面临的挑战.
- 调查结果为政策制定提供了关键的见解,旨在加强CCUA的空间结构并促进协调的区域增长.
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