دورية أكاديمية
Uncertainty assessment of source attribution of PM2.5 and its water-soluble organic carbon content using different biomass burning tracers in positive matrix factorization analysis - a case study in Beijing, China
| العنوان: | Uncertainty assessment of source attribution of PM2.5 and its water-soluble organic carbon content using different biomass burning tracers in positive matrix factorization analysis - a case study in Beijing, China |
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| المؤلفون: | Tao, Jun, Zhang, Leiming, Zhang, Renjian, Wu, Yunfei, Zhang, Zhisheng, Zhang, Xiaoling, Tang, Yixi, Cao, Junji, Zhang, Yuanhang |
| المساهمون: | Tao, J (reprint author), 7 West St, Guangzhou, Guangdong, Peoples R China., Chinese Acad Sci, Inst Atmospher Phys, RCE TEA, Beijing, Peoples R China., Minist Environm Protect, South China Inst Environm Sci, Guangzhou, Peoples R China., Environm Canada, Air Qual Res Div, Sci Technol Branch, Toronto, ON, Canada., Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian, Peoples R China., Chinese Meteorol Adm, Environm Meteorol Forecast Ctr Beijing Tianjin He, Beijing, Peoples R China., Peking Univ, Coll Environm Sci & Engn, Beijing 100871, Peoples R China., 7 West St, Guangzhou, Guangdong, Peoples R China. |
| المصدر: | SCI ; EI ; PubMed |
| بيانات النشر: | SCIENCE OF THE TOTAL ENVIRONMENT |
| سنة النشر: | 2016 |
| المجموعة: | Peking University Institutional Repository (PKU IR) / 北京大学机构知识库 |
| مصطلحات موضوعية: | Source apportionment, Biomass burning tracers, Source profiles, SOUTHEASTERN UNITED-STATES, LONG-RANGE TRANSPORT, PARTICULATE MATTER, CHEMICAL-CHARACTERIZATION, AEROSOL FORMATION, URBAN-ENVIRONMENT, ELEMENTAL CARBON, PARTICLE-SIZE, COMBUSTION |
| الوصف: | Daily PM2.5 samples were collected at an urban site in Beijing during four one-month periods in 2009-2010, with each period in a different season. Samples were subject to chemical analysis for various chemical components including major water-soluble ions, organic carbon (OC) and water-soluble organic carbon (WSOC), element carbon (EC), trace elements, anhydrosugar levoglucosan (LG), and mannosan (MN). Three sets of source profiles of PM2.5 were first identified through positive matrix factorization (PMF) analysis using single or combined biomass tracers non-sea salt potassium (nss-K+), LG, and a combination of nss-K+ and LG. The six major source factors of PM2.5 included secondary inorganic aerosol, industrial pollution, soil dust, biomass burning, traffic emission, and coal burning, which were estimated to contribute 31 +/- 37%, 39 +/- 28%, 14 +/- 14%, 7 +/- 7%, 5 +/- 6%, and 4 +/- 8%, respectively, to PM2.5 mass if using the nss-K+ source profiles, 22 +/- 19%, 29 +/- 17%, 20 +/- 20%, 13 +/- 13%, 12 +/- 10%, and 4 +/- 6%, respectively, if using the LG source profiles, and 21 +/- 17%, 31 +/- 18%, 19 +/- 19%, 11 +/- 12%, 14 +/- 11%, and 4 +/- 6%, respectively, if using the combined nss-K+ and LG source profiles. The uncertainties in the estimation of biomass burning contributions to WSOC due to the different choices of biomass burning tracers were around 3% annually and up to 24% seasonally in terms of absolute percentage contributions, or on a factor of 1.7 annually and up to a factor of 33 seasonally in terms of the actual concentrations. The uncertainty from the major source (e.g. industrial pollution) was on a factor of 1.9 annually and up to a factor of 2.5 seasonally in the estimated WSOC concentrations. (C) 2015 Elsevier B.V. All rights reserved. ; Special Scientific Research Funds for Environment Protection Commonwealth Section [200809143]; National Natural Science Foundation of China [41175131]; Special Scientific Research Funds for National Basic Research Program of China [2013FY112700] ; SCI(E) ; EI ... |
| نوع الوثيقة: | journal/newspaper |
| اللغة: | English |
| تدمد: | 0048-9697 1879-1026 26595400 |
| العلاقة: | SCIENCE OF THE TOTAL ENVIRONMENT.2016,543,326-335.; 1293291; http://hdl.handle.net/20.500.11897/416583Test; WOS:000367635600036 |
| DOI: | 10.1016/j.scitotenv.2015.11.057 |
| الإتاحة: | https://doi.org/20.500.11897/416583Test https://doi.org/10.1016/j.scitotenv.2015.11.057Test https://hdl.handle.net/20.500.11897/416583Test |
| رقم الانضمام: | edsbas.A3612FDE |
| قاعدة البيانات: | BASE |
| تدمد: | 00489697 18791026 26595400 |
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| DOI: | 10.1016/j.scitotenv.2015.11.057 |