YAN Shanshan,HONG Bo,QIN Hongqiao.Experimental Study on Effects of Vertical Greening on Air Temperature,Relative Humidity and PM2.5 Concentrations[J].Northern Horticulture,2018,42(15):80-85.[doi:10.11937/bfyy.20174711]
垂直绿化对空气温湿度和PM2.5浓度影响的实测研究
- Title:
- Experimental Study on Effects of Vertical Greening on Air Temperature,Relative Humidity and PM2.5 Concentrations
- 文献标志码:
- A
- 摘要:
- 该研究对比分析了无绿化墙面与垂直绿化墙面对不同高度（1.5 m和6.5 m）空间空气温度、相对湿度及PM2.5浓度的影响。结果表明：垂直绿化墙面的温度和PM2.5浓度存在负相关（R2=0.729 9）；湿度和PM2.5浓度之间存在正相关（R2=0.696 1）；垂直绿化情况下，行人高度空间（1.5 m）的平均温度要低于上部空间（6.5 m），PM2.5浓度则相反；且14:00之前的PM2.5平均浓度高于14:00之后；而无绿化墙面结果相反；垂直绿化墙面温度较无绿化墙面平均低2~3 ℃，PM2.5平均浓度低10%左右。
- Abstract:
- This study analyzed the effects of vertical greening on air temperature,relative humidity and PM2.5 concentrations at the height of 1.5 m and 6.5 m with field experiment,and a non-greening wall was selected to compare the variation of those factors.The results showed that,there was a negative linear relationship between temperature and PM2.5 concentration (R2=0.729 9),and a positive relationship between relative humidity and PM2.5 concentration (R2=0.696 1) for vertical greening；the mean temperature at the pedestrian level (1.5 m) was obvious lower than that at the 6.5 m height,and the average PM2.5 concentration before 14:00 was high for vertical greening,which was opposite to the non-greening wall；the temperature of vertical greening was 2-3 ℃ lower,and the average PM2.5 concentration was approximately 10% lower than non-greening wall.
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备注/Memo
第一作者简介：闫珊珊（1994-），女，硕士研究生，研究方向为风景园林规划设计。E-mail:Yssdxlyx1994@sina.com.责任作者：洪波（1984-），男，博士，副教授，研究方向为风景园林小气候。E-mail:hongbo@nwsuaf.edu.cn.基金项目：中央高校基本科研业务费专项资金资助项目（2452017100）。收稿日期：2018-03-15