[1]刘佩琪,邓志华,陈奇伯*. 城市园林对大气颗粒物的消减与大气中二氧化硫和氮氧化物的浓度变化[J].西北林学院学报,2016,31(6):13-18.[doi:10.3969/j.issn.1001-7461.2016.06.03]
　LIU Pei-qi,DENG Zhi-hua,CHEN Qi-bo*. Reduction of Atmospheric Particulate and the Concentration Change of Sulfur Dioxide and Nitrogen Oxides by Urban Forests[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(6):13-18.[doi:10.3969/j.issn.1001-7461.2016.06.03]
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 城市园林对大气颗粒物的消减与大气中二氧化硫和氮氧化物的浓度变化()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第6期
页码:
13-18
栏目:
出版日期:
2016-11-30

文章信息/Info

Title:
 Reduction of Atmospheric Particulate and the Concentration Change of Sulfur Dioxide and Nitrogen Oxides by Urban Forests
文章编号:
1001-7461(2016)06-0013-06
作者:
 刘佩琪; 邓志华; 陈奇伯*
 （西南林业大学 环境科学与工程学院，云南 昆明 650224）
Author(s):
 LIU Pei-qi; DENG Zhi-hua; CHEN Qi-bo*
 （School of Environmental Science and Engineering，Southwest Forestry University，Kunming,Yunnan 650224,China）
关键词:
 ; 城市园林; 大气污染; 大气颗粒物; 二氧化硫; 氮氧化物
Keywords:
 ; urban forest;  atmospheric pollution;  atmospheric particulate;  sulfur dioxide;  nitrogen oxides
分类号:
S718.45
DOI:
10.3969/j.issn.1001-7461.2016.06.03
文献标志码:
A
摘要:
 研究了昆明市城市园林对大气颗粒物的消减量和大气中二氧化硫和氮氧化物浓度的年内动态变化及其两者之间相关性。结果表明，昆明市大气中二氧化硫和氮氧化物的浓度随季节有明显的变化，氮氧化物、二氧化硫的含量变化范围分别为0.149~0.175 mg·m-3与0.226~0.252 mg·m-3，含量高低顺序均为：春季>冬季>秋季>夏季。植被对大气颗粒物的消减量的高低顺序为：春季>冬季>秋季>夏季，与二氧化硫和氮氧化物浓度变化一致。大气颗粒物对有毒有害气体具有一定的吸附性，植被对大气颗粒物的消减量与二氧化硫和氮氧化物的浓度具有负相关性，其中二氧化硫和氮氧化物的浓度与PM10极显著负相关，通过3次曲线模型对两者之间的关系进行拟合表明，植被对大气颗粒物的滞留作用间接减少了大气中二氧化硫和氮氧化物的含量，可为地方和区域环境监测评价提供参考。
Abstract:
 Effects of urban forests in Kunming were studied on the reduction of atmospheric particulates and concentration changes of sulfur dioxide and nitrogen oxides,as well as their seasonal changes.Significant dynamic variations were observed on atmospheric SO2 and NOx.The variation ranges of SO2 and NOx were 149-0.175 mg·m-3 and 0.226-0.252 mg·m-3,respectively.The seasonal changes were in the order of spring>winter>autumn>summer.The amount of atmospheric particulate reduction in four seasons followed the order of spring>winter>autumn>summer,which was in consistent with the seasonal changes of SO2 and NOx.Atmospheric particulates could adsorb toxic or harmful gases.The reduction of atmospheric particulates significantly and negatively correlated with SO2 and NOx concentrations,in which the correlationship between SO2 and NOx concentrations and PM10 was most significantly negative.The results of the simulation with cubic curve indicated that the reduction of atmospheric particulates by urban forests indirectly reduced atmospheric SO2 and NOx.The results could provide a reference for local and regional environmental monitoring and evaluation.

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备注/Memo

备注/Memo:
 收稿日期：2016-01-20修回日期：2016-03-06
基金项目：国家林业局林业公益性行业科研专项（201204101-10）；云南省高校优势特色重点学科（生态学）建设项目（05000511311）；西南林业大学科技创新基金（C15116）。
作者简介：刘佩琪，女，在读硕士，研究方向：恢复生态。E-mail: zaizailpq@163.com
*通信作者：陈奇伯，男，博士，教授，研究方向：水土保持和恢复生态。E-mail：chenqb05@163.com
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