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Characteristics of Black Carbon Aerosol during the Chinese Lunar Year and Weekdays in Xi'an, China
Wang, Qiyuan1; Liu, Suixin1; Zhou, Yaqing1; Cao, Junji1,2; Han, Yongming1; Ni, Haiyan1; Zhang, Ningning1; Huang, Rujin1,3,4
2015-02-01
发表期刊ATMOSPHERE
ISSN2073-4433
卷号6期号:2页码:195-208
文章类型Article
摘要

Black carbon (BC) aerosol plays an important role in climate forcing. The net radiative effect is strongly dependent on the physical properties of BC particles. A single particle soot photometer and a carbon monoxide analyser were deployed during the Chinese Lunar Year (CLY) and on weekdays at Xi'an, China, to investigate the characteristics of refractory black carbon aerosol (rBC). The rBC mass on weekdays (8.4 mu g center dot m(-3)) exceeds that during the CLY (1.9 mu g center dot m(-3)), presumably due to the lower anthropogenic emissions during the latter. The mass size distribution of rBC shows a primary mode peak at ~205 nm and a small secondary mode peak at ~102-nm volume-equivalent diameter assuming 2 g center dot cm(-3) in void-free density in both sets of samples. More than half of the rBC cores are thickly coated during the CLY (f(BC) = 57.5%); the percentage is slightly lower (f(BC) = 48.3%) on weekdays. Diurnal patterns in rBC mass and mixing state differ for the two sampling periods, which are attributed to the distinct anthropogenic activities. The rBC mass and CO mixing ratios are strongly correlated with slopes of 0.0070 and 0.0016 mu g center dot m(-3)center dot ppbv(-1) for weekdays and the CLY, respectively.

WOS标题词Science & Technology ; Physical Sciences
DOI10.3390/atmos6020195
关键词[WOS]Laser-induced Incandescence ; Particle Soot Photometer ; Mixing State ; Tibetan Plateau ; Western ; Trends ; Area ; City
收录类别SCI
语种英语
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
WOS记录号WOS:000350691700003
出版者MDPI AG
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9396
专题粉尘与环境研究室
通讯作者Cao, Junji
作者单位1.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian 710061, Peoples R China
2.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China
3.Paul Scherrer Inst, Lab Atmospher Chem, CH-5232 Villigen, Switzerland
4.Natl Univ Ireland Galway, Ryan Inst, Ctr Climate & Air Pollut Studies, Galway, Ireland
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Wang, Qiyuan,Liu, Suixin,Zhou, Yaqing,et al. Characteristics of Black Carbon Aerosol during the Chinese Lunar Year and Weekdays in Xi'an, China[J]. ATMOSPHERE,2015,6(2):195-208.
APA Wang, Qiyuan.,Liu, Suixin.,Zhou, Yaqing.,Cao, Junji.,Han, Yongming.,...&Huang, Rujin.(2015).Characteristics of Black Carbon Aerosol during the Chinese Lunar Year and Weekdays in Xi'an, China.ATMOSPHERE,6(2),195-208.
MLA Wang, Qiyuan,et al."Characteristics of Black Carbon Aerosol during the Chinese Lunar Year and Weekdays in Xi'an, China".ATMOSPHERE 6.2(2015):195-208.
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