Particle and aerosol research (한국입자에어로졸학회지)

Korean Association for Particle and Aerosol Research (한국입자에어로졸학회)
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Sensitivity Analysis of the CMB Modeling Results by Considering Photochemical Degradation of Polycyclic Aromatic Hydrocarbons (PAHs) in the Seoul atmosphere

서울 대기에서 PAHs 광화학반응을 고려한 CMB 수용모델 결과 검토

  • Cho, Ye Seul (Departent of Environmental Science and Engineering, Ewha Womans University) ;
  • Jung, Da Bin (Departent of Environmental Science and Engineering, Ewha Womans University) ;
  • Kim, In Sun (Inspection and Analysis Division, Metropolitan Air Quality Management Office, Ministry of Environment) ;
  • Lee, Ji Yi (Department of Environmental Engineering, Chosun University) ;
  • Kim, Yong Pyo (Departent of Environmental Science and Engineering, Ewha Womans University)
  • 조예슬 (이화여자대학교 환경공학과) ;
  • 정다빈 (이화여자대학교 환경공학과) ;
  • 김인선 (수도권 대기환경청 조사분석과) ;
  • 이지이 (조선대학교 환경공학과) ;
  • 김용표 (이화여자대학교 환경공학과)
  • Received : 2014.01.29
  • Accepted : 2014.03.11
  • Published : 2014.03.31
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Abstract

Several studies have been carried out on the source contribution of the particulate Polycyclic Aromatic Hydrocarbons (PAHs) over Seoul by using the Chemical Mass Balance Model (CMB)(Lee and Kim, 2007; Kim et al., 2013). To confirm the validity of the modeling results, the modified model employing a photochemical loss rate along with varying residence times and the standard model that considers no loss were compared. It was found that by considering the photochemical loss rate, a better performance was obtained as compared to those obtained from the standard model in the CMB calculation. The modified model estimated higher contributions from coke oven, transportation, and biomass burning by 4 to 8%. However, the order of the relative importance of major sources was not changed, coke oven followed by transportation and biomass burning. Thus, it was concluded that the standard CMB model results are reliable for identifying the relative importance of major sources.

Keywords

Acknowledgement

Supported by : 한국연구재단

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