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The Fluctuations of Aerosol Number Concentration in the leodo Ocean Research Station
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 Title & Authors
The Fluctuations of Aerosol Number Concentration in the leodo Ocean Research Station
Park, Seong-Hwa; Lee, Dong-In; Seo, Kil-Jong; You, Cheol-Hwan; Jang, Min; Kang, Mi-Yeong; Jang, Sang-Min; Kim, Dong-Chul; Choi, Chang-Sup; Lee, Byung-Gul;
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To examine the fluctuations of aerosol number concentration with different size in the boundary layer of marine area during summer season, aerosol particles were assayed in the Ieodo Ocean Research Station, which is located 419 km southwest of Marado, the southernmost island of Korea, from 24 June to 4 July, 2008. The Laser Particle Counter (LPC) was used to measure the size of aerosol particles and 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 3 in diameter to smaller particles more than 1 in diameter with wind direction during precipitation. The aerosol number concentration decreased with increasing temperature. An increase (decrease) of small size of aerosol (0.30.5 in diameter) number concentration was induced by convergence (divergence) of the wind fields. The aerosol number concentration of bigger size more than 3 in diameter after precipitation was removed as much as 8994% compared with aerosol number concentration before precipitation. It is considered that the larger aerosol particles would be more efficient for scavenging at marine boundary layer. In addition, the aerosol number concentration with divergence and convergence could be related with the occurrence and mechanism of aerosol in marine boundary layer.
Aerosol number concentration;Laser particle counter;Wind fields;Ieodo Ocean Research Station;Marine boundary layer;
 Cited by
연직풍에 따른 해양성 에어러솔 수 농도 변동에 관한 연구,박성화;장상민;정운선;정종훈;이동인;

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