摘要
2004年冬季和夏秋季,用光学粒子计数器、能见度仪和颗粒物质量监测器对北京市大兴区黄村以及北京大气物理研究所铁塔部近地面大气气溶胶粒子数密度、数密度谱,能见度、颗粒物质量浓度等进行了测量.对不同天气条件下的谱分布特征进行了统计分析,对谱分布进行了Junge谱拟合,对拟合参数ν,N0,数密度与厦门地区的进行了比较.最后还讨论了风和烟花燃放过程对粒子数密度的影响,以及它们对PM10,PM2.5和能见度的影响.
Atmospheric aerosol particulate size distribution,number density of aerosol,atmospheric visibility and particulate mass concentrations were detected by an optical particle counter,a visibility meter and ambient particulate monitors respectively at the same time in Beijing during the winter and summer of 2004.This paper analyzed the aerosol particulate size distributions of different weathers,and simulated them with Junge,and compared Junge index,Junge coefficient N0 and number density of aerosol with that of Xiamen.This paper also discussed the effects of storm and heavy pollution on number density of aerosol,atmospheric visibility and particulate mass concentrations(PM10,PM2.5)
出处
《过程工程学报》
CAS
CSCD
北大核心
2006年第z2期114-118,共5页
The Chinese Journal of Process Engineering
关键词
大气光学
大气气溶胶
光学粒子计数器
谱分布
粒子数密度
atmospheric optics
aerosol
optical particle counter
size distribution
number density of aerosol
