DOI: 10.1016/j.atmosenv.2016.11.031
Scopus记录号: 2-s2.0-85006001496
论文题名: Aerosol optical properties at the Lulin Atmospheric Background Station in Taiwan and the influences of long-range transport of air pollutants
作者: Hsiao T ; -C ; , Chen W ; -N ; , Ye W ; -C ; , Lin N ; -H ; , Tsay S ; -C ; , Lin T ; -H ; , Lee C ; -T ; , Chuang M ; -T ; , Pantina P ; , Wang S ; -H
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2017
卷: 150 起始页码: 366
结束页码: 378
语种: 英语
英文关键词: Aerosol optical properties
; Biomass burning
; Long-range transport
; Lulin Atmospheric Background Station
Scopus关键词: Aerosols
; Air pollution
; Atmospheric movements
; Efficiency
; Electromagnetic wave absorption
; Light absorption
; Light scattering
; Optical data processing
; Pollution
; Aerosol optical property
; Biomass-burning
; Light absorption coefficients
; Light scattering coefficient S
; Long range transport
; Lulin Atmospheric Background Station
; Mass scattering efficiency
; Optical properties of aerosols
; Optical properties
; absorption coefficient
; absorption efficiency
; aerosol
; air mass
; anthropogenic effect
; atmospheric pollution
; backscatter
; biomass burning
; chemical pollutant
; light scattering
; long range transport
; optical property
; seasonal variation
; aerosol
; air pollutant
; altitude
; Article
; biomass
; controlled study
; light absorption
; light scattering
; optics
; priority journal
; seasonal variation
; spring
; surface property
; Taiwan
; Chiang Mai [Chiang Mai (PRV)]
; Chiang Mai [Northern Region]
; Northern Region [Thailand]
; Southeast Asia
; Taiwan
; Thailand
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: The Lulin Atmospheric Background Station (LABS, 23.47°N 120.87°E, 2862 m ASL) in Central Taiwan was constructed in 2006 and is the only high-altitude background station in the western Pacific region for studying the influence of continental outflow. In this study, extensive optical properties of aerosols, including the aerosol light scattering coefficient (σs) and light absorption coefficient (σa), were collected from 2013 to 2014. The intensive optical properties, including mass scattering efficiency (αs), mass absorption efficiency (αa), single scattering albedo (ω), scattering Ångstrӧm exponent (Å), and backscattering fraction (b), were determined and investigated, and the distinct seasonal cycle was observed. The value of αs began to increase in January and reached a maximum in April; the mean in spring was 5.89 m2 g−1 with a standard deviation (SD) of 4.54 m2 g−1 and a 4.48 m2 g−1 interquartile range (IQR: 2.95–7.43 m2 g−1). The trend was similar in αa, with a maximum in March and a monthly mean of 0.84 m2 g−1. The peak values of ω (Mean = 0.92, SD = 0.03, IQR: 0.90–0.93) and Å (Mean = 2.22, SD = 0.61, IQR: 2.12–2.47) occurred in autumn. These annual patterns of optical properties were associated with different long-range transport patterns of air pollutants such as biomass burning (BB) aerosol in spring and potential anthropogenic emissions in autumn. The optical measurements performed at LABS during spring in 2013 were compared with those simultaneously performed at the Doi Ang Kang Meteorology Station, Chiang Mai Province, Thailand (DAK, 19.93°N, 99.05°E, 1536 m a.s.l.), which is located in the Southeast Asia BB source region. Furthermore, the relationships among αs, αa, and b were used to characterize the potential aerosol types transported to LABS during different seasons, and the data were inspected according to the HYSPLIT 5-day backward trajectories, which differentiate between different regions of air mass origin. © 2016 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/82276
Appears in Collections: 气候变化事实与影响
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作者单位: Graduate Institute of Environmental Engineering, National Central University, Taoyuan, Taiwan; Research Center for Environmental Changes, Academia Sinica, Taipei, Taiwan; Department of Atmospheric Sciences, National Central University, Taoyuan, Taiwan; Goddard Space Flight Center, NASA, Greenbelt, MD, United States; Center for Space and Remote Sensing Research, National Central University, Taoyuan, Taiwan; Graduate Institute of Energy Engineering, National Central University, Taoyuan, Taiwan
Recommended Citation:
Hsiao T,-C,, Chen W,et al. Aerosol optical properties at the Lulin Atmospheric Background Station in Taiwan and the influences of long-range transport of air pollutants[J]. Atmospheric Environment,2017-01-01,150