森林工程2017，Vol.33Issue(1)：33-40,8.
哈尔滨市冬季雾霾天大气颗粒物污染特征分析
Analysis on the Pollution Characteristics of Atmospheric Particlesduring Haze Weather in Winter Harbin
摘要
Abstract
In order to study the pollution characteristics of atmospheric particles during haze weather in winter，the hourly mass concentration and number concentration of the atmospheric particulate matters were sampled during the seriously hazed days from November 3 to 4,2015.The comparative analysis was carried out using the data of monitoring point of environmental protection department which is nearest to the sampling site.Temporal variability,meteorological effect and concentration ratio of the particulate matters were respectively identified.The results showed that the haze was mainly caused by the anthropogenic sources under adverse weather conditions.The mass concentration of the inhalable particulates(PM10)increase sharply during the formation and maintaining of haze,the mass concentration of PM10 accounts for 89.5% of TSP on average.Among the PM10,the contribution of PM2.5 was significantly enormous with PM2.5/TSP of 64.1% and PM2.5/PM10 of 66.3% on average.The mass concentration and number concentration of particulate matters with different particle size presented the similar changing trend.The trend line showed a hump shape with the low in midday and the high in the morning and at night.1～2.5μm particulate matters concentration accounted for 29.5% of TSP in haze days,which was more than twice as likely to that in non－haze days.Haze formation process accompanied by most particulate matters of <0.5μm consuming due to its condensation and growth.The Haze formation process also accompanied by accumulation of a large amount of 0.5～2μm particulate matters，which was one of the important factors causing the visibility deterioration in haze day.关键词
雾霾/颗粒物/质量浓度/数量浓度Key words
haze/particulate matter/mass concentration/number concentration分类
资源环境引用本文复制引用
彭敏,储江伟,李洪亮,段超,王旭..哈尔滨市冬季雾霾天大气颗粒物污染特征分析[J].森林工程,2017,33(1):33-40,8.基金项目
国家科技支撑项目(2015BAD07B03) （2015BAD07B03）
