[1]万欣,王磊*,张亚楠,等.气象因素对南京市南郊大气PM2.5质量浓度的影响[J].江苏林业科技,2015,42(06):1-4.[doi:doi:10.3969/j.issn.1001-7380.2015.06.001]
 WAN Xin,WANG Lei*,ZHANG Ya-nan,et al.Impacts of meteorological conditions on PM2.5 concentration in Nanjing southern suburb[J].Journal of Jiangsu Forestry Science &Technology,2015,42(06):1-4.[doi:doi:10.3969/j.issn.1001-7380.2015.06.001]
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气象因素对南京市南郊大气PM2.5质量浓度的影响()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第42卷
期数:
2015年06期
页码:
1-4
栏目:
试验研究
出版日期:
2015-12-30

文章信息/Info

Title:
Impacts of meteorological conditions on PM2.5 concentration in Nanjing southern suburb
文章编号:
1001-7380(2015)06-0001-04
作者:
万欣王磊*张亚楠王火江浩丁晶晶李冬林何冬梅
江苏省林业科学研究院,江苏南京211153
Author(s):
WAN Xin WANG Lei*ZHANG Ya-nan WANG Huo JIANG Hao DING Jing-jing LI Dong-lin HE Dong-mei
Jiangsu Academy of Forestry,Nanjing 211153,China
关键词:
PM2.5质量浓度气象因素 气温相对湿度非参数分析
Keywords:
Concentration level of PM2.5 Meteorological conditions Air temperature Relative humidity Non-parameter statistical analysis
分类号:
X831.03
DOI:
doi:10.3969/j.issn.1001-7380.2015.06.001
文献标志码:
A
摘要:
依托江苏省林业科学研究院建立的森林环境空气质量监测系统,利用2014年6月到2015年5月1 a内该地区的大气PM2.5和气象观测数据,对PM2.5质量浓度的日变化特征、季节变化规律,以及气象因素(温度、相对湿度、风速、气压)对其的影响进行了研究。结果表明:该地区PM2.5质量浓度的日变化呈波浪形变化,并且有2个高峰,一个高峰出现在夜间,另一个高峰出现在上午。大气PM2.5质量浓度在春季最高(平均值为89.42 μg/m3),秋、冬季次之,夏季最低(平均值为53.27 μg/m3)。不同季节影响PM2.5质量浓度的气象因素各不相同:春季PM2.5质量浓度与气压呈显著负相关,冬季PM2.5质量浓度均与平均风速呈显著负相关,与气温、相对湿度呈显著正相关。
Abstract:
Based on the forest environment and air quality monitoring system in Jiangsu Academy of Forestry, the concentration of PM2.5 and meteorological data from June 2014 to May 2015 were collected, and the diurnal variation of the concentration of PM2.5, seasonal change and the influence of meteorological conditions on concentration levels of PM2.5 were investigated for four seasons by using statistical analysis. Undulation of daily variation of PM2.5 concentrations in the region were found, with two peaks (one in the night, another in the morning). Atmospheric PM2.5 concentration in spring was the highest in the four seasons, with a mean of 89.42 μg/m3, next in autumn and winter, that in summer was the lowest, with a mean of 53.27 μg/m3. The results also showed that the concentrations of PM2.5 were significantly correlated with one or more meteorological parameters in different seasons. The concentrations of PM2.5 had strongly negative correlation with surface atmospheric pressure in spring, and those in winter were significantly negatively correlated with wind speed, but positively correlated with ambient temperature as well as relative humidity.

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备注/Memo

备注/Memo:
收稿日期:2015-10-20;修回日期:2015-11-02
基金项目:江苏省林业三新工程项目“城市森林削减PM2.5作用效果研究”(LYSX[2014]01)
作者简介:万欣(1983- ),女,山东济宁市人,助理研究员,博士,主要从事森林生态研究。E-mail:691069685@qq.com。
*通信作者:王磊(1980- ),男,江苏宜兴市人,副研究员,博士,从事生态系统研究。E-mail:wl.stone@163.com。
更新日期/Last Update: 2016-01-29