Source identification and trends in concentrations of gaseous and fine particulate principal species in Seoul, South Korea.

@article{Kang2006SourceIA,
  title={Source identification and trends in concentrations of gaseous and fine particulate principal species in Seoul, South Korea.},
  author={Choong-Min Kang and B Kang and Hak Sung Lee},
  journal={Journal of the Air & Waste Management Association},
  year={2006},
  volume={56 7},
  pages={911-21}
}
Ambient measurements were made using two sets of annular denuder system during the four seasons (April 2001 to February 2002) and were then compared with the results during the period of 1996-1997 to estimate the trends and seasonal variations in concentrations of gaseous and fine particulate matter (PM2.5) principal species. Annual averages of gaseous HNO3 and NH3 increased by 11% and 6%, respectively, compared with those of the previous study, whereas HONO and SO2 decreased by 11% and 136… CONTINUE READING
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