在校园植物群体中研究夏季微气候和PM2.5度
Yuan Jiang1, Congzhe Liu2, Chenjie Wen3
1College of Horticulture, Hunan Agricultural University, Changsha, 410128, People's Republic of China.
Scientific reports
|February 8, 2024
概括
校园绿地对空气质量有很大的影响. 通过调整森林覆盖和草等绿色空间元素,可以通过改变当地的温度和湿度来减少颗粒物 (PM2.5).
科学领域:
- 环境科学 环境科学
- 城市生态城市生态学
- 大气科学 大气科学
背景情况:
- 校园绿地在调节微气候和空气质量方面发挥着至关重要的作用.
- 了解气象因素和空气污染物之间的相互作用对于可持续的校园规划至关重要.
研究的目的:
- 研究气象因素对校园绿地中的空气污染物度的影响.
- 为了确定不同底层表面及其冷却/加湿效应之间的关系.
- 确定影响颗粒物 (PM2.5) 水平的关键因素.
主要方法:
- 在南京林业大学选择了四个不同的校园地块 (森林,草,青,混凝土).
- 收集的环境参数,包括特定日期的温度,湿度,照明和风速.
- 分析了气象因素与PM2.5度之间的相关性.
主要成果:
- 底层表面类型,天棚密度和建筑阴影显著影响温度和湿度.
- 冷却和加湿的效果按照以下顺序进行:森林 > 草 > 青路 > 混凝土广场.
- 照明和温度与PM2.5负相关,而风速和相对湿度显示出正相关.
结论:
- 校园绿地设计,通过修改气象条件,可以有效地减少空气污染物度.
- 绿色空间元素的战略调整为改善校园空气质量提供了一种可行的方法.
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