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대관령과 영종도에서 측정한 에어러솔 크기분포 및 CCN 수농도에 관한 연구

On the Contrast of Aerosol Size Distribution and Cloud Condensation Nuclei Concentrations between the East and the West of the Korean Peninsula

박민수|심성보|염성수|김종환
한국기상학회 (Korean Meteorological Society)|2012.03|대기 (Atmosphere)|제22권 제1호|pp. 87-96

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키워드

Aerosol concentration and size distributioncloud condensationnuclei concentration
주제분류대기과학

초록

Aerosol number concentration (NCN), size distribution and cloud condensation nuclei (CCN) concentration (NCCN) were measured during 16-21 August 2008 at Daegwallyeong (DG)located in the eastern rural region of the Korean Peninsula. In the very next week (22-29 August 2008) the same aerosol properties were measured at Yeongjong Island (YJ) in the Yellow Sea. NCN for all 3 size cuts (above 3, 6 and 10 nm) was significantly higher at DG than YJ, but NCCN was significantly lower at the former and resulted in the NCCN/NCN ratio more than twice higher at YJ (0.94 ± 0.09 vs. 0.35 ± 0.15 at 0.53% supersaturation). The geometric mean diameter at DG, 53±15 nm, was much smaller than that at YJ, 91 ± 6 nm, due to the particle formation events that were likely to have occurred continuously at DG. For given mean diameter, aerosols were more likely to act as CCN at YG compared to those at DG.

Abstract

Aerosol number concentration (NCN), size distribution and cloud condensation nuclei (CCN) concentration (NCCN) were measured during 16-21 August 2008 at Daegwallyeong (DG)located in the eastern rural region of the Korean Peninsula. In the very next week (22-29 August 2008) the same aerosol properties were measured at Yeongjong Island (YJ) in the Yellow Sea. NCN for all 3 size cuts (above 3, 6 and 10 nm) was significantly higher at DG than YJ, but NCCN was significantly lower at the former and resulted in the NCCN/NCN ratio more than twice higher at YJ (0.94 ± 0.09 vs. 0.35 ± 0.15 at 0.53% supersaturation). The geometric mean diameter at DG, 53±15 nm, was much smaller than that at YJ, 91 ± 6 nm, due to the particle formation events that were likely to have occurred continuously at DG. For given mean diameter, aerosols were more likely to act as CCN at YG compared to those at DG.

참고문헌 (38)

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