校园微环境因素及其对不同条件下的户外热感知的影响
Yang Zhang1,2, Shuangyan Feng3,4, Jiaying Liu5
1School of Architectural Engineering, Sichuan University of Arts and Science, Dazhou, China.
Scientific reports
|April 10, 2025
概括
这项研究揭示了植物和水等微环境因素如何影响行人热舒适度. 研究结果表明,增加的植被和接近水的地方通常会改善热感,指导城市设计以获得更好的舒适性.
科学领域:
- 环境科学 环境科学
- 城市规划 城市规划
- 人与环境的互动 互动
背景情况:
- 行人热感受受到物理环境因素的影响,但这些因素受到天气条件的调节.
- 对影响热舒适度的微环境因素的主观反应尚未得到充分研究.
- 了解这些关系对于改善城市热舒适度至关重要.
研究的目的:
- 探索微环境因素及其对行人热感知 (热感知投票,TSV) 的影响.
- 为了研究植被 (叶面积指数,LAI),陆地表面反射率 (阿尔贝多) 和水的近距离对TSV的影响.
- 分析天气条件和日常时间如何影响这些微环境影响的意义.
主要方法:
- 结合实地测量与问卷调查在西南科技大学校园.
- 用不同季节的生理相当温度 (PET) 计算中性温度 (NTs).
- 分析了TSV和微环境参数 (LAI,白度,距湖距离) 之间的线性相关性.
主要成果:
- 米阳的中性温度 (PET) 为28.41°C (夏季),12.37°C (冬季) 和18.92°C (年度平均值).
- TSV与LAI (负相关性) 和与水的距离 (正相关性) 显示出显著的线性相关性.
- 模型的意义因天气和时间而异;夏季模型通常比冬季模型更重要.
结论:
- 微环境因素显著影响行人热感知,其重要性根据上下文而异.
- 增加植被覆盖和接近水体可以提高热舒适度.
- 结果为城市设计策略提供了指导,旨在改善行人热舒适度.
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