DOI: 10.1002/2016JD025080
论文题名: Estimation of columnar concentrations of absorbing and scattering fine mode aerosol components using AERONET data
作者: Choi Y. ; Ghim Y.S.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2016
卷: 121, 期: 22 起始页码: 628
结束页码: 640
语种: 英语
英文关键词: ammonium sulfate
; carbonaceous components
; mineral dust
; mixing rules
; surface measurements
; vertical distribution
Scopus关键词: absorbance
; AERONET
; aerosol
; air temperature
; ammonium sulfate
; aqueous solution
; black carbon
; boundary layer
; dust
; emission
; mineral property
; organic carbon
; vertical distribution
; Seoul [South Korea]
; South Korea
英文摘要: Columnar concentrations of absorbing and scattering components of fine mode aerosols were estimated using Aerosol Robotic Network (AERONET) data for a site downwind of Seoul. The study period was between March 2012 and April 2013 including the period of the Distributed Regional Aerosol Gridded Observation Networks (DRAGON)-Asia campaign in March to May 2012. The Maxwell Garnett mixing rule was assumed for insoluble components embedded in a host solution, while the volume average mixing rule was assumed for the aqueous solution of soluble components. During the DRAGON-Asia campaign the surface concentrations of major components of fine particles were measured. The columnar mass fractions of black carbon (BC), organic carbon (OC), mineral dust (MD), and ammonium sulfate (AS) were 1.5, 5.9, 6.6, and 52%, respectively, which were comparable to the mass fractions measured at the surface for BC, OC, and secondary inorganic aerosols at 2.3, 18, and 55%. The vertical distributions of BC and AS were investigated by employing the concept of a column height. While the column height for BC was similar to the planetary boundary layer (PBL) height, that for AS was 4.4 times higher than the PBL height and increased with air temperature from March to May. The monthly variations of the columnar mass concentrations during the study period were generally well explained in term of meteorology and emission characteristics. However, certain variations of MD were different from those typically observed primarily because only fine mode aerosols were considered. ©2016. American Geophysical Union. All Rights Reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/62807
Appears in Collections: 影响、适应和脆弱性 气候减缓与适应
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作者单位: Department of Environmental Science, Hankuk University of Foreign Studies, Yongin, South Korea
Recommended Citation:
Choi Y.,Ghim Y.S.. Estimation of columnar concentrations of absorbing and scattering fine mode aerosol components using AERONET data[J]. Journal of Geophysical Research: Atmospheres,2016-01-01,121(22)