[1]李素莉,杨军*,马履一,等. 北京市交通干道防护林带内PM2.5浓度变化特征[J].西北林学院学报,2015,30(03):245-252.[doi:doi:10.3969/j.issn.1001-7461.2015.03.44]
　LI Su-li,YANG Jun*,MA Lu-yi,et al. Variations of PM2.5 Concentrations Inside the Greenbelts along Two Urban Traffic Arteries in Beijing[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2015,30(03):245-252.[doi:doi:10.3969/j.issn.1001-7461.2015.03.44]
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 北京市交通干道防护林带内PM2.5浓度变化特征()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第30卷
期数:
2015年03期
页码:
245-252
栏目:
出版日期:
2015-05-31

文章信息/Info

Title:
 Variations of PM2.5 Concentrations Inside the Greenbelts along Two Urban Traffic Arteries in Beijing
文章编号:
1001-7461(2015)03-0245-08
作者:
 李素莉1; 杨军2*; 马履一1; 贾黎明1; 李荣桓3; 秦永胜3
 （1.教育部森林培育与保护重点实验室 北京林业大学，北京 100083；2.地球系统数值模拟教育部重点实验室地球系统科学研究中心，清华大学，北京 100084；3. 北京市园林绿化局，北京 100083）
Author(s):
 LI Su-li1;  YANG Jun2*;  MA Lu-yi1;  JIA Li-ming1;  LI Rong-huan3;  QIN Yong-sheng3
 (1. Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, Beijing 100083, China; 2. Key Laboratory for Earth System Modeling, Ministry of Education Center for Earth System Science, Tsinghua University, Beijing 100084, China; 3. Beijing Municipal Bureau of Landscape and Forestry, Beijing 100013, China)
关键词:
 ; 林带; PM2.5; 环境因子; 削减作用
Keywords:
 ; greenbelt;  PM2.5 concentration;  environmental factor;  removal effect
分类号:
S732
DOI:
doi:10.3969/j.issn.1001-7461.2015.03.44
文献标志码:
A
摘要:
 选择北京市北五环路和京藏高速路上的5个地段对PM2.5浓度、温度、湿度、风速风向进行了连续观测，并对各地段的PM2.5浓度变化和环境因子的关系进行了回归分析。结果表明：1）有林带和无林带地段上的观测点的PM2.5浓度变化趋势不同，无林带地段各观测点的PM2.5浓度一般随距道路距离增加变小，有林带地段各观测点上PM2.5浓度则有升有降；2）林带内各观测点的PM2.5浓度和道路侧的PM2.5浓度显著相关，和林内的温、湿度显著相关，但和林内风速的相关性不显著；3）林带的宽度对林带内各观测点的PM2.5浓度有一定影响。
Abstract:
 In this study, the concentrations of PM2.5, air temperature, relative humidity (RH), wind speed, and wind direction at five locations on the North Fifth-ring Road and Beijing-Xizang Highway were continuously monitored. The correlation between the concentration of PM2.5 and environmental factors was analyzed using a regression analysis method. The results showed:1) the variation trends were different between locations with greenbelts and the location without a greenbelt. For the location without a greenbelt, the concentrations of PM2.5 decreased as the distances to the road increased. For locations with greenbelts, concentrations of PM2.5 at different distances showed both increasing and decreasing trends; 2) the concentrations of PM2.5 at roadside had a significant influence on the concentrations of PM2.5 inside the greenbelts. The influences of air temperatures and RH were also significant. However, no significant relationship was identified between the concentrations of PM2.5 and wind speeds inside the greenbelts, and 3) the width of greenbelt had some effects on the concentrations of PM2.5 inside the greenbelt.

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备注/Memo

备注/Memo:
 收稿日期：2014-06-24 修回日期：2014-10-20
基金项目：北京市科技计划（Z121100000312069，Z121100008512002）。
作者简介：李素莉，女，在读硕士，研究方向：城市林业。E-mail:907809942li@sina.com
*通信作者：杨军，男，博士，副教授，研究方向：城市生态。E-mail:larix001@gmail.com
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