XU Huan,ZHAO Jingjing,LI Hong.Influence of Urban Road Green Space on the Distribution and Reduction of PM2.5 Concentration[J].Northern Horticulture,2016,40(24):65-69.[doi:10.11937/bfyy.201624017]
道路绿地植物配置对PM2.5浓度分布与消减作用的影响
- Title:
- Influence of Urban Road Green Space on the Distribution and Reduction of PM2.5 Concentration
- Keywords:
- landscape architecture; PM2.5 pollution; abatement; plant disposition
- 文献标志码:
- A
- 摘要:
- 以江苏省徐州市为例,选取市区3处交通要道两侧的典型道路绿地,在各绿带不同宽度处设监测点测定PM2.5浓度以探讨道路绿地类型及宽度对其的消减作用。结果表明:PM2.5的消减率与绿地的宽度成正比,道路绿地的宽度在24 m及以上能够起到较好的滞留颗粒物作用,“乔+灌+草-乔”结构为主且郁闭度较高的植物配置模式消减效果最好。最后得到“乔+草+灌-乔”“乔+灌+草-乔”“灌+乔+草-乔”“草+乔+灌-乔”等4种消减PM2.5污染的典型道路绿地群落,为城市道路绿地植物配置的选择提供基础数据。
- Abstract:
- Taking Xuzhou city,Jiangsu Province as an example,this study selected three roads on both sides of the typical urban road green space,in the greenbelt width difference set monitoring point determination of PM2.5 concentrations in order to investigate the road green space types and the width of the cut.The results showed that the reduction rate of PM2.5 was proportional to the width of green space.The width of road green space in 24 m and above could be taken to better retention of particles.The green space which taking ‘trees+shrubs+grass-trees’ as the structure and having high canopy density was more effective.As a result,the construction of four typical road greenbelt (trees+grass+shrubs-trees,trees+shrubs+grass-trees,shrubs+trees+grass-trees,grass+trees +shrubs-trees) to reduce the pollution of PM2.5 were built,supporting the configuration mode of city road green plant selection.
参考文献/References:
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备注/Memo
第一作者简介:徐欢(1984-),男,山东菏泽人,博士,讲师,研究方向为园林规划设计理论与实践。E-mail:xuhuan84@126.com.责任作者:李红(1983-),女,博士,讲师,研究方向为城市生态与屋顶绿化。E-mail:lihong8303@126.com.