城市空间绿色利用效率的评估基于三维的城市扩张视角
Hao Su1, Mingxi Du1, Qiuyu Liu1
1School of Public Policy and Administration, Xi'an Jiaotong University, Xi'an, 710049, China.
Journal of environmental management
|October 3, 2025
概括
本研究将城市建筑体积作为城市扩张效率的3D指标,发现它优于2D指标. 这种方法通过平衡横向和垂直发展来提高城市化质量.
科学领域:
- 城市规划和地理学
- 空间经济学的空间经济学.
- 环境科学环境科学
背景情况:
- 城市面临着土地限制,需要有效的空间利用策略.
- 现有的研究主要使用2D框架来提高城市扩张效率.
- 为了更准确地评估城市土地利用,需要3D视角.
研究的目的:
- 引入和验证城市建筑体积作为城市扩张效率的新型3D指标.
- 使用3D框架测量城市空间绿色利用效率 (USGUE).
- 识别和分析影响USGUE的驱动因素.
主要方法:
- 使用超效率以埃普西隆为基础的测量 (超级EBM) 的Slack分析.
- 采用了274个中国县级城市的高分辨率建筑高度数据集和社会经济数据.
- 对比了2D (建筑面积) 与3D (城市建筑体积) 空间输入的效率影响.
主要成果:
- 与二维扩张相比,三维城市扩张显示了不同的趋势.
- 城市建筑体积在区分城市效率方面比建筑面积更有效.
- USGUE的主要驱动因素包括建筑土地开发,城市活力和地形.
- 中部和东北部城市的建筑高度较低,尽管建筑面积相似,但USGUE较低.
结论:
- 城市建筑体积提供了比传统的二维指标更细致的城市扩张效率衡量标准.
- 协调横向扩张与垂直发展对于改善USGUE和城市化质量至关重要.
- 政策干预应考虑可持续城市发展的3D空间特征.
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