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探索城市空间形态对陆地表面温度的影响:中国临市的一个案例研究
Yongyu Feng1, Huimin Wang1, Jing Wu1
1Science and Technology Innovation Team of Shandong Provincial Department of Natural Resources, Shandong Institute of Land Spatial Data and Remote Sensing Technology, Jinan, China.
PloS one
|January 27, 2025
概括
城市空间形态显著影响陆地表面温度 (LST),加剧了城市热岛效应. 了解这些关系是可持续城市规划和发展的关键.
科学领域:
- 环境科学 环境科学
- 城市规划 城市规划
- 遥感 遥感 遥感 遥感
背景情况:
- 城市热岛 (UHI) 效应由人口密度和不透气表面加剧,挑战城市可持续性.
- 城市空间形态在缓解UHI影响方面发挥着至关重要的作用.
研究的目的:
- 调查城市空间形态学对乡镇规模土地表面温度 (LST) 的影响.
- 确定影响LST的关键形态因素,并为城市规划提供数据.
主要方法:
- 开发了一个六维的因素系统 (大气质量,遥感指标,地形,土地使用/土地覆盖,建筑规模,社会经济因素).
- 使用了空间自相关和空间回归方法,包括地理加权回归 (GWR).
- 分析了临市 (2013-2022) 的乡镇规模数据.
主要成果:
- LST受到城市空间形态的显著影响,土地使用类型,景观指标和遥感指数显示出最强的相关性.
- 证实了LST的强烈正空间相关性 (全球莫兰的I>0.7).
- 在分析这些空间关系方面,GWR模型表现出了比SEM和OLS更好的性能.
结论:
- 城市空间形态是LST和UHI强度的关键决定因素.
- 结果为优化城市规划,资源分配和促进可持续城市发展提供了宝贵的见解.
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