Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Source Analysis of Size Distribution and Density Estimation in PM2.5 -Part II

입경 분포 원인 분석 및 PM2.5 밀도 추정 -Part II

  • Bae, Min-Suk (Department of Environmental Engineering, Mokpo National University) ;
  • Park, Da-Jeong (Department of Environmental Engineering, Mokpo National University) ;
  • Lee, Jeonghoon (School of Mechanical Engineering, Korea University of Technology and Education) ;
  • Ahn, Joon-Young (National Institute of Environmental Research, Air Quality Research Division) ;
  • Lee, Yeong-Jae (National Institute of Environmental Research, Air Quality Research Division)
  • 배민석 (목포대학교 환경공학과) ;
  • 박다정 (목포대학교 환경공학과) ;
  • 이정훈 (한국기술교육대학교 기계공학부) ;
  • 안준영 (국립환경과학원 대기환경연구과) ;
  • 이영재 (국립환경과학원 대기환경연구과)
  • Received : 2016.01.17
  • Accepted : 2016.02.12
  • Published : 2016.04.30
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Abstract

To characterize the features of particle apparent density, continuous measurements of particle number size distributions from optical particle sizer (OPS) and 24 hr integrated particle mass concentrations from filter based sampler were conducted at the National institute of environmental research NamBu Supersite (NNBS, $35.22^{\circ}N$, $126.84^{\circ}E$) in Gwangju for 16 days from Nov. 4 in 2014. Source apportionment model was carried out by applying Positive Matrix Factorization (PMF) to particle size distribution data. Three different distributions related to primary and secondary sources were investigated by the diurnal patterns of identified factors. Density estimated by gaussian model has been calculated as $1.69g/cm^3$ with 95% confidence bounds ($1.57{\sim}1.81g/cm^3$).

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References

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