A study of distribution characteristics of unidentified particulate components in an urban area

도시환경의 총부유먼지 중 미지성분의 분포 특성에 대한 연구

  • Kim, Yong-Hyun (Department of Environment & Energy, Sejong University) ;
  • Kim, Ki-Hyun (Department of Environment & Energy, Sejong University) ;
  • Park, Chan-Koo (Seoul Metropolitan Institute of Public Health & Environment) ;
  • Shon, Zang-Ho (Department of Environmental Engineering, Dong-Eui University) ;
  • Song, Sang-Keun (Division of Earth Environmental System, Pusan National University)
  • 김용현 (세종대학교 환경에너지융합학과) ;
  • 김기현 (세종대학교 환경에너지융합학과) ;
  • 박찬구 (서울시보건환경연구원) ;
  • 손장호 (동의대 환경공학과) ;
  • 송상근 (부산대 지구환경시스템학과)
  • Received : 2012.01.10
  • Accepted : 2012.02.22
  • Published : 2012.04.25


The quantitative composition of total suspended particulates (TSP) in the atmosphere is identified to consist mainly of ions, organic carbon (OC), element carbon (EC), and metals. In terms of environmental analysis, the rest of the TSP composition may be defined as unknown fraction (${\Sigma}X$) which is yet difficult to analyze both quantitatively and qualitatively. In this study, the major components of TSP were measured at an urban residential area (Gang Seo) in Seoul, Korea from February to December 2009. These TSP data were analyzed in various respects to explain the relationship between known and unknown constituents. During this study period, TSP was comprised mainly of unknown compounds (48.6%) followed by ions, OC, EC, and metals. The results of this study indicate that the distribution of ${\Sigma}X$ exhibits a strong similarity with ${\Sigma}Anions$, as they both increase with increasing TSP levels. However, if the concentrations of ${\Sigma}X$ and ${\Sigma}Anion$ are normalized against TSP, they exhibit a strong inverse correlation with each other due probably to larges differences in solubility. To establish a better strategy for air quality control in urban atmosphere, more efforts are needed to characterize unidentified proportion of particulate matters.


Total suspended particulates (TSP);unknown compounds (${\Sigma}X$);correlation;TSP-normalization


Supported by : 한국연구재단


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