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Seasonal Characteristics of Black Carbon Aerosol and its Potential Source Regions in Baoji, China
Zhou, Bianhong1,2; Wang, Qiyuan2; Zhou, Qi1; Zhang, Zhangquan1; Wang, Gehui2; Fang, Ni1; Li, Meijuan1; Cao, Junji2,3
2018-02-01
发表期刊AEROSOL AND AIR QUALITY RESEARCH
卷号18期号:2页码:397-406
文章类型Article
摘要Continuous measurements of black carbon (BC) aerosol were made at a midsized urban site in Baoji, China, in 2015. The daily average mass concentrations varied from 0.6 to 11.5 mu g m(-3), with an annual mean value of 2.9 +/- 1.7 mu g m(-3). The monthly variation indicated that the largest loading of BC occurred in January and the smallest in June. The mass concentrations exhibited strong seasonality, with the highest occurring in winter and the lowest in summer. The large BC loadings in winter were attributed to the increased use of fuel for domestic heating and to stagnant meteorological conditions, whereas the low levels in summer were related to the increase in precipitation. BC values exhibited similar bimodal diurnal patterns during the four seasons, with peaks occurring in the morning and evening rush hours and an afternoon trough, which was associated with local anthropogenic activities and meteorological conditions. A potential source contribution function model indicated that the effects of regional transport mostly occurred in spring and winter. The most likely regional sources of BC in Baoji were southern Shaanxi province, northwestern Hubei province, and northern Chongqing during spring, whereas the northeastern Sichuan Basin was the most important source region during winter.
关键词Black Carbon Aerosol Seasonal Characterization Diurnal Variation Potential Source Region
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.4209/aaqr.2017.02.0070
关键词[WOS]MIXING STATE ; CHEMICAL-CHARACTERIZATION ; OPTICAL-PROPERTIES ; TIBETAN PLATEAU ; SOUTH CHINA ; URBAN AREA ; PM2.5 ; AETHALOMETER ; ABSORPTION ; PARTICLES
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000427409600009
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被引频次:1[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/361006/5231
专题粉尘与环境研究室
作者单位1.Baoji Univ Arts & Sci, Shaanxi Key Lab Disaster Monitoring & Mech Simula, Dept Geog & Environm Engn, Baoji 721013, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Key Lab Aerosol Chem & Phys, Xian 710061, Shaanxi, Peoples R China
3.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Shaanxi, Peoples R China
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Zhou, Bianhong,Wang, Qiyuan,Zhou, Qi,et al. Seasonal Characteristics of Black Carbon Aerosol and its Potential Source Regions in Baoji, China[J]. AEROSOL AND AIR QUALITY RESEARCH,2018,18(2):397-406.
APA Zhou, Bianhong.,Wang, Qiyuan.,Zhou, Qi.,Zhang, Zhangquan.,Wang, Gehui.,...&Cao, Junji.(2018).Seasonal Characteristics of Black Carbon Aerosol and its Potential Source Regions in Baoji, China.AEROSOL AND AIR QUALITY RESEARCH,18(2),397-406.
MLA Zhou, Bianhong,et al."Seasonal Characteristics of Black Carbon Aerosol and its Potential Source Regions in Baoji, China".AEROSOL AND AIR QUALITY RESEARCH 18.2(2018):397-406.
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