Journal of Environmental Health Sciences (한국환경보건학회지)

Korean Society of Environmental Health (한국환경보건학회)
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Characteristics of the Distribution of High Ambient Air Pollutants with Sources and Weather Condition in Ulsan

오염원 및 기상 조건에 따른 울산지역의 고농도 대기오염 분포 특성

  • Choi, Bong-Wook (Department of Environment, Ulsan Institute of Health and Environment) ;
  • Jung, Jong-Hyeon (Department of Health Administration, Sorabol College) ;
  • Choi, Won-Joon (Department of Environmental Engineering, Pusan National University) ;
  • Shon, Byung-Hyun (Department of Environmental Engineering, Hanseo University) ;
  • Oh, Kwang-Joong (Department of Environmental Engineering, Pusan National University)
  • 최봉욱 (울산보건환경연구원 환경과) ;
  • 정종현 (서라벌대학 보건행정과) ;
  • 최원준 (부산대학교 환경공학과) ;
  • 손병현 (한서대학교 환경공학과) ;
  • 오광중 (부산대학교 환경공학과)
  • Published : 2006.08.01
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Abstract

Five sampling sites were selected to investigate the distribution characteristics of air pollutants with pollution sources and weather conditions in Ulsan. $SO_2,\;NO_2,\;O_3,\;CO,\;PM_{10}$ concentrations and weather conditions with time were analyzed by using several statistical methods. Also, the distribution characteristics of ambient air quality were estimated by pollution-rose and multi-regression analysis. As a result of the analysis, $NO_2,\;CO\;and\;PM_{10}$ concentrations were high in winter season, whereas $SO_2\;and\;O_3$ concentrations were high in summer season. This concentration distribution was caused by the unfavorable geographical location, which the residential area was located at the downwind direction to industrial area. From the pollution-rose, we confirmed that each pollutant influenced the downwind residential areas because of seasonal wind direction. $SO_2$ concentration has shown positive correlation of $0.2{\simm}0.3$ for $NO_2,\;PM_{10}$ and temperature, while $O_3$ concentration has shown negative correlation. Also, $NO_2$ and CO concentrations, pollutants generated by combustion, have shown positive correlation, while $O_3$ concentration and temperature have shown negative correlation. Therefore, it could be suggested that a seasonal air quality policy and a new guideline of air quality was necessary in each season with wind directions to reduce the air pollution level in Ulsan.

Keywords

References

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