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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
Source PublicationAEROSOL AND AIR QUALITY RESEARCH
Volume18Issue:2Pages:397-406
SubtypeArticle
AbstractContinuous 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.
KeywordBlack Carbon Aerosol Seasonal Characterization Diurnal Variation Potential Source Region
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.4209/aaqr.2017.02.0070
WOS KeywordMIXING STATE ; CHEMICAL-CHARACTERIZATION ; OPTICAL-PROPERTIES ; TIBETAN PLATEAU ; SOUTH CHINA ; URBAN AREA ; PM2.5 ; AETHALOMETER ; ABSORPTION ; PARTICLES
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000427409600009
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5231
Collection粉尘与环境研究室
Affiliation1.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
Recommended Citation
GB/T 7714
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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