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Estimation of the concentrations of primary and secondary organic carbon in ambient particulate matter: Application of the CMB-Iteration method
Shi, GL (Shi, Guo-Liang)1; Tian, YZ (Tian, Ying-Ze)1; Zhang, YF (Zhang, Yu-Fen)1; Ye, WY (Ye, Wen-Yuan)1; Li, X (Li, Xiang)1,2; Tie, XX (Tie, Xue-Xi)3,4; Feng, YC (Feng, Yin-Chang)1; Zhu, T (Zhu, Tan)1
2011-10-30
Source PublicationATMOSPHERIC ENVIRONMENT
Volume45Issue:32Pages:5692-5698
Subtype期刊论文
Abstract

A new method (the CMB-Iteration method) was developed and applied to estimate primary organic carbon (POC) and secondary organic carbon (SOC) concentrations in ambient particulate matter. In addition to the concentrations, this model also calculates the source contributions to POC and SOC. For each source category, the estimated source contribution is continuously calculated until the iteration minimum is achieved, i.e., the ratio of the estimated source contribution at the final step iteration to previous step iteration is less than 0.01. The application of this method is used to analyze a reported database. The result of the CMB-Iteration method is consistent with in the reported result in the literature. Additionally, synthetic datasets were analyzed using the CMB-Iteration method, and acceptable results were obtained. Finally, this method is used for a dataset collected from Taiyuan, China across different seasons (winter and summer). The calculated concentrations of SOC are 14.3 and 10.7 mu g/m(3) in winter and summer, respectively, suggesting that there are high secondary OC particles in this highly polluted city (Taiyuan).

KeywordCMB-Iteration method Secondary organic carbon Source apportionment Receptor model
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10346
Collection粉尘与环境研究室
Corresponding AuthorZhang, YF (Zhang, Yu-Fen)1
Affiliation1.State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control,College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China;
2.Department of Computer Science, University of Georgia, Athens, GA, USA;
3.National Center for Atmospheric Research, Boulder, CO, USA;
4.Institute of Earth and Environment, Chinese Academy of Science, Xi’an, China
Recommended Citation
GB/T 7714
Shi, GL ,Tian, YZ ,Zhang, YF ,et al. Estimation of the concentrations of primary and secondary organic carbon in ambient particulate matter: Application of the CMB-Iteration method[J]. ATMOSPHERIC ENVIRONMENT,2011,45(32):5692-5698.
APA Shi, GL .,Tian, YZ .,Zhang, YF .,Ye, WY .,Li, X .,...&Zhu, T .(2011).Estimation of the concentrations of primary and secondary organic carbon in ambient particulate matter: Application of the CMB-Iteration method.ATMOSPHERIC ENVIRONMENT,45(32),5692-5698.
MLA Shi, GL ,et al."Estimation of the concentrations of primary and secondary organic carbon in ambient particulate matter: Application of the CMB-Iteration method".ATMOSPHERIC ENVIRONMENT 45.32(2011):5692-5698.
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