Concentration and chemical composition of PM2.5 in Shanghai for a 1-year period
Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
Author(s)
Detail(s)
Original language | English |
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Pages (from-to) | 499-510 |
Journal / Publication | Atmospheric Environment |
Volume | 37 |
Issue number | 4 |
Publication status | Published - Feb 2003 |
Externally published | Yes |
Link(s)
Abstract
Weekly PM2.5 samples were collected in Shanghai, China at two sites, Tongji University and Hainan Road. Sampling started in March 1999 and was conducted for 1 year. The ambient mass concentration and chemical composition of the PM2.5 were determined. Chemical analyses included elemental composition, water-soluble ions, and organic and elemental carbon. Weekly PM2.5 mass concentrations ranged from 21 to 147μg/m3, with annual average concentrations of 57.9 and 61.4μg/m3 at the two sites, respectively. Seasonal variation of PM2.5 concentrations was significant, with the highest concentrations observed from mid-November through December and the lowest from June through September. Ammonium sulfate and nitrate accounted for 41.6% of the PM2.5 mass with sulfate alone accounting for 23.4% of the PM2.5 mass. Carbonaceous material accounted for 41.4% of the PM2.5 mass, with 73% of that mass being organic, as defined by the TOR analysis method. Crustal components averaged 9.6% of the PM2.5 mass. Potassium, which was 95% water soluble, accounted for 2.7% of the PM2.5 mass. © 2002 Elsevier Science Ltd. All rights reserved.
Research Area(s)
- China, Composition, Particulate matter, PM2.5, Seasonal variation, Shanghai, Sources
Citation Format(s)
Concentration and chemical composition of PM2.5 in Shanghai for a 1-year period. / Ye, Boming; Ji, Xueli; Yang, Haizhen; Yao, Xiaohong; Chan, Chak K.; Cadle, Steven H.; Chan, Tai; Mulawa, Patricia A.
In: Atmospheric Environment, Vol. 37, No. 4, 02.2003, p. 499-510.Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review