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Korean Meteorological Society (한국기상학회)
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The Variation of Aerosol Number Concentrations in Relation with 3D Wind Components in the Ieodo Ocean Research Station

이어도 해양종합과학기지에서의 3차원 바람성분에 따른 에어로솔 수 농도 변동 특성

  • Park, Sung-Hwa (Interdisciplinary Program of Earth Environmental Engineering, Pukyong National University) ;
  • Jang, Sang-Min (Department of Environmental Atmospheric Sciences, Pukyong National University) ;
  • Lee, Dong-In (Department of Environmental Atmospheric Sciences, Pukyong National University) ;
  • Jung, Woon-Seon (Department of Environmental Atmospheric Sciences, Pukyong National University) ;
  • Jeong, Jong-Hoon (Department of Environmental Atmospheric Sciences, Pukyong National University) ;
  • Jung, Sung-A (Department of Environmental Atmospheric Sciences, Pukyong National University) ;
  • Jung, Chang Hoon (Department of Health Management, Kyungin Women's College) ;
  • Kim, Kyungsik (Department of Physics, Pukyong National University) ;
  • Kim, Kyung-Eak (Department of Astronomy and Atmospheric Sciences, Kyungpook National University)
  • 박성화 (부경대학교 지구환경공학연협동과정) ;
  • 장상민 (부경대학교 환경대기과학과) ;
  • 이동인 (부경대학교 환경대기과학과) ;
  • 정운선 (부경대학교 환경대기과학과) ;
  • 정종훈 (부경대학교 환경대기과학과) ;
  • 정성아 (부경대학교 환경대기과학과) ;
  • 정창훈 (경인여자대학 보건의료관리과) ;
  • 김경식 (부경대학교 물리학과) ;
  • 김경익 (경북대학교 천문대기과학과)
  • Received : 2011.12.05
  • Accepted : 2012.02.10
  • Published : 2012.03.31
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Abstract

To investigate variation of aerosol number concentration at each different size with three-dimensional (3D) wind components in ocean area, aerosol particles and 3D wind components were measured in the Ieodo Ocean Research Station, which is located to 419 km southwest from Marado, the southernmost island of Korea, from 25 June to 8 July 2010. The Laser Particle Counter (LPC) and ultrasonic anemometer were used to measure the size of aerosol particles and 3D wind components (zonal (u), meridional (v), and vertical (w) wind) respectively. Surface weather chart, NCEP/NCAR reanalysis data and sounding data were used to analyze the synoptic condition. The distribution of aerosol number concentration had a large variation from bigger particles more than 1.0 ${\mu}m$ in diameter by wind direction during precipitation. In the number concentration of aerosol particles with respect to the weather conditions, particles larger than 1.0 ${\mu}m$ in size were decreased and sustained to the similar concentration at smaller particles during precipitation. The increase in aerosol number concentration was due to the sea-salt particles which was suspended by southwesterly and upward winds. In addition, the aerosol number concentration with vertical wind flow could be related with the occurrence and increasing mechanism of aerosol in marine boundary layer.

Keywords

References

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