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Biomass burning tracers in rural and urban ultrafine particles in Xi'an,China
Zhu,CS(Zhu,Chongshu)1; Cao,JJ(Cao,Junji)1; Tsai,CJ(Tsai,Chuen-Jinn)2; Zhang,ZS(Zhang,Zhisheng)3; Tao,J(Tao,Jun)3; Zhu,Chongshu
Source PublicationAtmospheric Pollution Research
AbstractTo investigate the impact of biomass burning emissions on ultrafine particles (PM0.133: particulate matter with an aerodynamic diameter less than 0.133 μm), biomass burning tracers (including levoglucosan, mannonsan and K+) were measured at a rural and an urban sites in Xi'an during winter heating period. The average levoglucosan concentrations of rural and urban PM0.133 were 0.93 ± 0.32 μg m−3 and 0.29 ± 0.14 μg m−3, respectively. Comparable PM0.133 mannosan concentrations were observed in rural samples (0.16 ± 0.26 μg m−3) and urban samples (0.17 ± 0.10 μg m−3). Higher correlation between levoglucosan and K+ was obtained for urban samples (R = 0.86) than that for rural samples (R = 0.72). The levoglucosan to K+ ratio was found to be higher for rural samples (0.77 ± 0.39) compared to that for urban samples (0.32 ± 0.14). Levoglucosan to mannosan ratios averaged 7.86 and 2.83 for rural and urban samples, respectively. It can be concluded that the major source of rural biomass burning was the combustion of crop residuals and softwood. The contributions of biomass burning to OC ranged from 19% to 32%, with an average of 24% for rural samples. The results provide a better understanding on the rural and urban magnitude of levoglucosan and contributions of biomass burning in Xi'an.
KeywordLevoglucosan Biomass Burning Ultrafine Particles Rural Area Xi'an
Indexed BySCI
Project Number41271481
Funding OrganizationNational Natural ScienceFoundation of China ; National Natural ScienceFoundation of China
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Document Type期刊论文
Corresponding AuthorZhu,Chongshu
Affiliation1.Key Lab of Aerosol Chemistry and Physics, SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, 710061, China
2.Institute of Environmental Engineering, National Chiao Tung University, No. 1001, Univ. Road, Hsinchu, Taiwan, 300, Taiwan
3.South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China
Recommended Citation
GB/T 7714
Zhu,CS,Cao,JJ,Tsai,CJ,et al. Biomass burning tracers in rural and urban ultrafine particles in Xi'an,China[J]. Atmospheric Pollution Research,2017,8(4):614-618.
APA Zhu,CS,Cao,JJ,Tsai,CJ,Zhang,ZS,Tao,J,&Zhu,Chongshu.(2017).Biomass burning tracers in rural and urban ultrafine particles in Xi'an,China.Atmospheric Pollution Research,8(4),614-618.
MLA Zhu,CS,et al."Biomass burning tracers in rural and urban ultrafine particles in Xi'an,China".Atmospheric Pollution Research 8.4(2017):614-618.
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