Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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A Study of Black Carbon Measurement in Metropolitan Area and Suburban Area of the Korean Peninsula Performed during Pre KORea-US Air Quality Study (KORUS-AQ) Campaign

한반도 수도권 및 준 수도권 지역의 블랙 카본 측정 연구: 한-미 협력 국내 대기질 공동 조사 연구 (KORea-US Air Quality Study, KORUS-AQ) 예비캠페인 기간을 중심으로

  • Lee, Jeonghoon (School of Mechanical Engineering, Korea University of Technology and Education) ;
  • Jeong, Byeongju (Department of Mechanical Engineering, Graduate School of Korea University of Technology and Education) ;
  • Park, Da-Jeong (Department of Environmental Engineering, Mokpo National University) ;
  • Bae, Min-Suk (Department of Environmental Engineering, Mokpo National University)
  • 이정훈 (한국기술교육대학교 기계공학부) ;
  • 정병주 (한국기술교육대학교 대학원 기계공학과) ;
  • 박다정 (국립목포대학교 환경공학과) ;
  • 배민석 (국립목포대학교 환경공학과)
  • Received : 2015.09.24
  • Accepted : 2015.10.06
  • Published : 2015.10.31
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Abstract

Black carbon (BC) aerosols were monitored at the KIST site ($37.603^{\circ}N$, $127.046^{\circ}E$) and Cheonan-KOREATECH site ($36.766^{\circ}N$, $127.281^{\circ}E$) during the pre KORea-US Air Quality Study (KORUS-AQ) campaign using a couple of Muliti Angle Absorption Photometers (MAAP). BC mass concentrations were presented as $2.14{\pm}1.06{\mu}g/m^3$ and $0.94{\pm}0.60{\mu}g/m^3$ at KIST site (Seoul) and KOREATECH site (Cheonan), respectively. BC mass concentrations measured at KIST and KOREATECH sites from 22:00 on May 22 to 12:00 on May 23, 2015 showed 80% and 72% higher than average BC mass concentrations measured during campaign period, respectively. It indicates both sites could be influenced by a remote source. Similar patterns of BC concentrations between two sites from 20:00 to 24:00 on June 6, 2015 implies that the BC could be transported into both sites and then be stagnant inside the Korean Peninsula. Diurnal variation of BC in weekdays and weekends were also presented for the KIST and KOREATECH sites. Morning rush hour peak was observed at KIST site located in metropolitan area though no distinct morning rush hour peak was not observed at KOREATECH site located in a suburban area. This study revealed transport pathways of BC near the Korean Peninsula using back-trajectory analysis of BC measured both in a metropolitan area and in a suburban area.

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References

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