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Mass Size Distribution of Atmospheric Aerosol Particles Collected at 865 m High of Jirisan National Park

지리산 국립공원 해발 865 m 지점에서 대기에어로졸입자의 입경별 질량농도 특성

  • Ryu, Hye-Ji (Department of Environmental Engineering, Gyeongnam National University of Science and Technology) ;
  • Park, Jeong-Ho (Department of Environmental Engineering, Gyeongnam National University of Science and Technology)
  • 류혜지 (경남과학기술대학교 환경공학과) ;
  • 박정호 (경남과학기술대학교 환경공학과)
  • Received : 2016.08.30
  • Accepted : 2016.09.30
  • Published : 2017.01.31

Abstract

Aerosol mass size distributions were investigated at 865 m high the of Jirisan national park. A nanosampler cascade impactor was used to collect aerosols. The atmospheric aerosol particles had a unimodal mass size distribution, which peaked at $0.5-1.0{\mu}m$, and a mass aerodynamic diameter of $1.13{\mu}m$. The annual average concentrations of TSP, $PM_{10}$, $PM_{2.5}$, $PM_1$, $PM_{0.5}$ and $PM_{0.1}$ were $20.9{\mu}g/m^3$, $19.3{\mu}g/m^3$, $14.9{\mu}g/m^3$, $10.7{\mu}g/m^3$, $5.3{\mu}g/m^3$, $1.2{\mu}g/m^3$, respectively. TSP concentrations were below $30{\mu}g/m^3$ during the sampling period. On average $PM_{10}$, $PM_{2.5}$, $PM_1$, $PM_{0.5}$ and $PM_{0.1}$ made up 0.91, 0.70, 0.41, 0.19 and 0.07 of TSP, respectively. The annual average of PM2.5/PM10 ratio was 0.77.

Keywords

Jirisan national park;Cascade impactor;Aerosol mass size distribution

Acknowledgement

Supported by : 경남과학기술대학교

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