气象2016，Vol.42Issue(4)：443-449,7.DOI:10.7519/j.issn.1000-0526.2016.04.007
天津城区春节期间大气气溶胶污染特征和数浓度分布
Pollution Characteristics and Number Concentration of Atmospheric Aerosol During Spring Festival in Tianj in
摘要
Abstract
Based on atmospheric aerosol mass concentration and relative meteorological data in Tianjin ur-ban areas during the Spring Festivals of 2009-2014,the distribution characteristics of aerosol concentra-tion spectrum were gained and the impact factors of these distribution characteristics including fireworks and meteorological conditions were analyzed.The results showed that PM2.5 mass concentration reached its peak value in the New Year Eve due to firing fireworks.With the continuous fog and haze during the Spring Festival,firing fireworks made the PM2.5 concentration reach 1240μg·m-3 in 2013 and this is the highest value in recent years.During the Spring Festival of 2014,the decreasing amount of fireworks and good condition of pollutant dispersion were the causes for lower PM2.5 mass concentration than in 2013. Distribution characteristics of aerosol number concentration spectrum had significantly differences in differ-ent weather conditions.Aerosol number concentrations during firing fireworks were comparable with that of fog and haze events .关键词
春节/气溶胶/污染特征/数浓度/天津Key words
Spring Festival/aerosol/pollution characteristics/number concentration/Tianjin分类
天文与地球科学引用本文复制引用
姚青,刘敬乐,韩素芹,樊文雁..天津城区春节期间大气气溶胶污染特征和数浓度分布[J].气象,2016,42(4):443-449,7.基金项目
公益性行业（环保）科研专项（201409001）和天津市科技支撑计划项目（13ZCZDSF02100）共同资助 （）
