Temporal variations and source apportionment of volatile organic compounds at an urban site in Shijiazhuang, China

作     者：Yanan Guan Lei Wang Shujuan Wang Yihao Zhang Jieying Xiao Xiaoli Wang Erhong Duan Li'an Hou Yanan Guan;Lei Wang;Shujuan Wang;Yihao Zhang;Jieying Xiao;Xiaoli Wang;Erhong Duan;Li'an Hou

作者机构：School of Environmental Science and EngineeringHebei University of Science and TechnologyShijiazhuang 050018China National and Local Joint Engineering Center of Volatile Organic Compounds&Odorous Pollution Control TechnologyShijiazhuang 050018China Hebei Province Environmental Monitoring CenterShijiazhuang 050018China Hebei Province Environmental Emergency and Heavy Pollution Weather Warning CenterShijiazhuang 050018China Logistics Science and Technology Research Institute of Rocket ArmyBeijing 100011China 

出 版 物：《Journal of Environmental Sciences》 (环境科学学报（英文版）)

年 卷 期：2020年第32卷第11期

页      面：25-34页

核心收录：

学科分类：07[理学] 070602[理学-大气物理学与大气环境] 0706[理学-大气科学] 

基　　金：supported by the Hebei Provincial Depart-ment of Science and Technology(No.19273711D) the Min-istry of Education of the People’s Republic of China(No.CXZJHZ201717) the Shijiazhuang Science and Technology Bu-reau(No.191240273A,201240363A) the five fund platform projects of Hebei University of Science and Technology(No.1182210) the National Natural Science Foundation of China(No.21776059) 

主　　题：VOCs Source analysis Positive Matrix Factorization(PMF) modeling GIS Inverse trajectory Shijiazhuang 

摘      要：Shijiazhuang,the city with the worst air quality in China,is suffering from severe ozone pollution in *** the key precursors of ozone generation,it is necessary to control the Volatile Organic Compounds(VOCs)*** have a better understanding of the pollution status and source contribution,the concentrations of 117 ambient VOCs were analyzed from April to August 2018 in an urban site in *** showed that the monthly average concentration of total VOCs was 66.27 ppbv,in which,the oxygenated VOCs(37.89%),alkanes(33.89%),and halogenated hydrocarbons(13.31%)were the main composite *** major sources were identified using Positive Matrix Factorization modeling with an accurate VOCs emission inventory as inter-complementary methods revealed that the petrochemical industry(26.24%),other industrial sources(15.19%),and traffic source(12.24%)were the major sources for ambient VOCs in *** spatial distributions of major industrial activities emissions were identified by using geographic information statistics system,which illustrated the VOCs was mainly from the north and southeast of *** inverse trajectory analysis using Hybrid Single-Particle Lagrangian Integrated Trajectory(HYSPLIT)and Potential Source Contribution Function(PSCF)clearly demonstrated the features of pollutant transport to *** findings can provide references for local governments regarding control strategies to reduce VOCs emissions.