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Bioaerosol Concentrations and Size Distributions during the Autumn and Winter Seasons in an Industrial City of Central China
Liu, Ting1; Chen, L-W Antony2; Zhang, Mi3; Watson, John G.3; Chow, Judith C.3; Cao, Junji4; Chen, Hongyu1; Wang, Wei1; Zhang, Jiaquan1; Zhan, Changlin1; Liu, Hongxia1; Zheng, Jingru1; Chen, Naiwen5; Yao, Ruizhen1; Xiao, Wensheng1
通讯作者Chen, L-W Antony(antony.chen@unlv.edu)
2019-05-01
发表期刊AEROSOL AND AIR QUALITY RESEARCH
ISSN1680-8584
卷号19期号:5页码:1095-1104
摘要The ambient bioaerosols were measured in PM2.5 and PM10 samples taken in Huangshi City, Hubei Province, China, during autumn and winter from November 2017 to February 2018. Both the bioaerosol number concentration and size distribution (0.37-16 mu m) were obtained by direct fluorescent staining coupled with microscopic imaging. The bioaerosol number concentrations ranged from 0.05 to 3.4 # cm(-3) for PM2.5 and from 0.17 to 5.7 # cm(-3) for PM10, with averages of 0.90 # cm(-3) and 1.9 # cm(-3), respectively. In terms of particle number, the bioaerosols were dominated by fine particles (0.37-2.5 mu m in diameter), with a larger proportion of submicron than supermicron particles. Assuming a unit density of 1 g cm(-3) and a spherical shape for the particles, the mass abundances of the bioaerosols were estimated to be 2.4 +/- 1.9% and 4.8 +/- 3.2% of the PM2.5 and PM10, respectively, as measured by a nearby compliance monitor. Higher bioaerosol concentrations were observed in winter than autumn and on polluted than non-polluted days. During heavily polluted conditions, bioaerosols in the PM2.5 and PM10 were enriched by 6 and 3.7 times, respectively, compared to non-polluted days and contributed up to 15% of the PM10 mass. Rainfall and snowfall appeared to lower the bioaerosol levels. As enhanced emission controls on combustion and dust sources decrease PM levels in China, the bioaerosol fraction in measured PM concentrations will likely increase.
关键词Primary biological aerosol particles (PBAP) PM2.5 PM10 Size distribution Air quality Fluorescence microscopy
DOI10.4209/aaqr.2018.11.0422
关键词[WOS]TOTAL AIRBORNE MICROBES ; PARTICULATE MATTER ; AEROSOL-PARTICLES ; MICROORGANISMS ; ABUNDANCE ; HAZE ; AIR ; BACTERIA ; INDOOR ; PM2.5
收录类别SCI ; SCI
语种英语
资助项目Research Project of Hubei Provincial Department of Education[D20184502] ; Hubei Universities of Outstanding Young Scientific and Technological Innovation Team Plans[T201729] ; Special Scientific Research Funds for National Basic Research Program of China[2013FY112700] ; University of Nevada, Las Vegas ; Desert Research Institute
WOS研究方向Environmental Sciences & Ecology
项目资助者Research Project of Hubei Provincial Department of Education ; Hubei Universities of Outstanding Young Scientific and Technological Innovation Team Plans ; Special Scientific Research Funds for National Basic Research Program of China ; University of Nevada, Las Vegas ; Desert Research Institute
WOS类目Environmental Sciences
WOS记录号WOS:000466339400013
出版者TAIWAN ASSOC AEROSOL RES-TAAR
引用统计
被引频次:18[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/361006/14104
专题粉尘与环境研究室
通讯作者Chen, L-W Antony
作者单位1.Hubei Polytech Univ, Sch Environm Sci & Engn, Hubei Key Lab Mine Environm Pollut Control & Reme, Huangshi 435003, Hubei, Peoples R China
2.Univ Nevada, Sch Publ Hlth, Dept Environm & Occupat Hlth, Las Vegas, NV 89154 USA
3.Desert Res Inst, Div Atmospher Sci, Reno, NV 89512 USA
4.Chinese Acad Sci, Inst Earth Environm, KLACP, Xian 710061, Shaanxi, Peoples R China
5.City Univ Hong Kong, Sch Energy & Environm, Hong Kong 999077, Peoples R China
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Liu, Ting,Chen, L-W Antony,Zhang, Mi,et al. Bioaerosol Concentrations and Size Distributions during the Autumn and Winter Seasons in an Industrial City of Central China[J]. AEROSOL AND AIR QUALITY RESEARCH,2019,19(5):1095-1104.
APA Liu, Ting.,Chen, L-W Antony.,Zhang, Mi.,Watson, John G..,Chow, Judith C..,...&Xiao, Wensheng.(2019).Bioaerosol Concentrations and Size Distributions during the Autumn and Winter Seasons in an Industrial City of Central China.AEROSOL AND AIR QUALITY RESEARCH,19(5),1095-1104.
MLA Liu, Ting,et al."Bioaerosol Concentrations and Size Distributions during the Autumn and Winter Seasons in an Industrial City of Central China".AEROSOL AND AIR QUALITY RESEARCH 19.5(2019):1095-1104.
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