湿热地区城市街道植物形态特征对交通源PM<sub>2.5</sub>质量浓度分布特性的影响研究

刘琳; 朱钰霜; 刘丽孺; 金雷

doi:10.12052/gdutxb.210159

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湿热地区城市街道植物形态特征对交通源PM_2.5质量浓度分布特性的影响研究

更新时间：2026-05-27

- 湿热地区城市街道植物形态特征对交通源PM_2.5质量浓度分布特性的影响研究
- A Simulation Research on Effects of Tree Three-dimensional Spatial Characteristics on Traffic-source PM_2.5 Distribution in Hot-humid Urban Streets
- 广东工业大学学报 2023年40卷第3期页码：113-121
- 作者机构：
  
  广东工业大学土木与交通工程学院,广东,广州,510006
- 作者简介：
  
  刘琳(1991–)，女，讲师，博士，主要研究方向为城市街区热环境与热舒适时空特性分析及优化，E-mail：liulinhit@163.com
  刘丽孺(1971–)，女，教授，博士，主要研究方向为建筑节能、室内空气质量及其保障技术、集中空调系统运行能耗检测及分析等，E-mail：liruhongfu2006@126.com
- 基金信息：
  
  广东省自然科学基金资助面上项目(2020A1515011092)
- DOI：10.12052/gdutxb.210159
  中图分类号： X171
- 网络首发：2023-05-25，
  
  纸质出版：2023
- 稿件说明：
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刘琳, 朱钰霜, 刘丽孺, 金雷. 湿热地区城市街道植物形态特征对交通源PM_2.5质量浓度分布特性的影响研究[J]. 广东工业大学学报, 2023, 40(3): 113-121. DOI: 10.12052/gdutxb.210159.

Liu Lin, Zhu Yu-shuang, Liu Li-ru, et al. A Simulation Research on Effects of Tree Three-dimensional Spatial Characteristics on Traffic-source PM_2.5 Distribution in Hot-humid Urban Streets[J]. 2023, 40(3): 113-121. DOI: 10.12052/gdutxb.210159.
刘琳, 朱钰霜, 刘丽孺, 金雷. 湿热地区城市街道植物形态特征对交通源PM_2.5质量浓度分布特性的影响研究[J]. 广东工业大学学报, 2023, 40(3): 113-121. DOI: 10.12052/gdutxb.210159. DOI：

Liu Lin, Zhu Yu-shuang, Liu Li-ru, et al. A Simulation Research on Effects of Tree Three-dimensional Spatial Characteristics on Traffic-source PM_2.5 Distribution in Hot-humid Urban Streets[J]. 2023, 40(3): 113-121. DOI: 10.12052/gdutxb.210159. DOI：

摘要

高密度城市交通流量的大幅增加，使得城市街区颗粒物污染问题日益严峻。街道绿化作为城市景观的重要组成，其植物形态参数特征对街区空气质量产生重要影响。本文以广州市某街区为研究对象，首先利用实测数据验证ENVI-met软件模拟街区尺度PM

2.5

典型颗粒物分布特性的精度，进而对案例区域街道两侧植物的多种形态参数组合进行建模及数值模拟。ENVI-met软件的验证结果表明该模型对于模拟高密度城市街区交通源PM

2.5

分布具有一定适用性。多组植物形态模拟结果显示：行道树高度建议在10 m左右，能够有效降低交通源PM

2.5

质量浓度，结合相关规范，建议树干高度设置为3~5 m，冠幅为5~7 m。

Abstract

With the substantial increase of traffic flow in high-density cities

particulate matter pollution has been a serious problem in urban blocks. As an important composition of urban landscape

its plant morphological parameters have an important impact on air quality of street. Taking a block in Guangzhou as the research subject while using field monitoring data

the accuracy of ENVI-met software in dealing with block scale PM

2.5

simulation characteristics is verified. Then

the combination of various morphological parameters of plants on both sides of the street in the case area is modeled and numerically simulated. The result of ENVI-met shows that the model is suitable for simula

ting the traffic source PM

2.5

of high-density urban blocks. The simulation results of several groups of plant morphology show that the height of street trees is recommended to be about 10 m

which can effectively reduce the PM

2.5

of traffic source concentration. In combination with relevant specifications

it is recommended to set the trunk height as 3~5 m and the crown width as 5~7 m.

关键词

Keywords

references

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北京市园林科学研究院. 行道树栽植与养护管理技术规范: DB11/T 839—2017[S]. 北京: 北京市质量技术监督局, 2017.

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湿热地区城市街道植物形态特征对交通源PM2.5质量浓度分布特性的影响研究

A Simulation Research on Effects of Tree Three-dimensional Spatial Characteristics on Traffic-source PM2.5 Distribution in Hot-humid Urban Streets

DOI：10.12052/gdutxb.210159

摘要

Abstract

关键词

Keywords

references

湿热地区城市街道植物形态特征对交通源PM_2.5质量浓度分布特性的影响研究

A Simulation Research on Effects of Tree Three-dimensional Spatial Characteristics on Traffic-source PM_2.5 Distribution in Hot-humid Urban Streets