Abstract

Dry and wet deposition is an impertant removal mechanism of the amobient aerosol in the atmospheric environment. Since the deposition flut provides adverse impacts on various encironmental media including aquatic and ecological system as well as human health, it is essential to quantitatively estimate the removal fluxes of many air pollutants. Thus, the purposes of this experimental study are to investigate seasonal deposition flux variations of the total dustfall and various inorganic elements in the local ambient air and then to finally estimate their dry deposition velocities. To perform the study, the total of 90 dustfall samples were collected from January, 1994 thru February, 1995 in 5 different cities of Korea including Seoul, Suwon, Daejon, Kwangju, and Kangrung. Each sample was analyzed by an AAS and an ICP to determine the quantities of the 11 inorganic elements, such as Zn, Cd, Cr, K, Na, Pb, Ca, Fe, Mn, Mi, and Cu. As results, deposition fluxes, soluble/insoluble fractions, and deposition velocities for each element were extensively investigated. The resulting dry deposition velocities of some elements in Suwon were estimated by ranges of 0.57 .sim. 0.87 cm/sec for Zn, 0.35 .sim. 0.45 cm/sec for Pb, 1.25 .sim. 3.52 cm/sec for Ca, 0.21 .sim. 0.48 cm/sec for Fe, 0.95 .sim. 9.31 cm/sec for Mn, and 2.08 cm/sec for Cu.

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이 논문을 인용한 문헌 (5)

1. Kim, Hyeon-Seop ; Heo, Jeong-Suk ; Kim, Dong-Sul 1998. "Statistical Analysis for Chemical Characterization of Fall-Out Particles" 大氣保全 : 韓國大氣保全學會誌, 14(6): 631~642  원문보기 상세보기
2. 1999. "Study of Deposition Flux of Dustfall and Metallic Elements in Western Coastal City, Kunsan, Korea" 한국대기환경학회지 = Journal of Korean Society for Atmospheric Environment, 15(3): 291~303  원문보기 상세보기
3. 1999. "Chemical Compositions and Spatial Distribution Analysis of Fall-Out Particles in Suwon Area" 한국대기환경학회지 = Journal of Korean Society for Atmospheric Environment, 15(1): 23~32  원문보기 상세보기
4. 2000. "Estimation of Deposition Rates of Dustfall and Metallic Elements in Kunsan" 한국대기환경학회지 = Journal of Korean Society for Atmospheric Environment, 16(5): 431~443  원문보기 상세보기
5. 2000. "Estimation of Dry Deposition Velocity for Elements in Atmospheric Aerosols by Low-Pressure Impactor" 한국대기환경학회지 = Journal of Korean Society for Atmospheric Environment, 16(5): 445~451  원문보기 상세보기