Characteristics of organic matter in PM2.5 in Shanghai
Abstract
Solvent extractable organic compounds (SEOC), organic carbon, elemental carbon and water soluble organic carbon (WSOC) in PM(2.5) samples collected in Shanghai, China in 2002 and 2003 were measured to determine the composition and sources of the organic matter in atmospheric aerosols. Distinct seasonal variations were detected with higher concentrations of organic matter in winter. The concentration of total carbon of about 20 microg m(-3) in winter was about three times the summer value. About 30% of the total carbon was water soluble. Unresolved complex mixture (UCM) and fatty acids were the most abundant components quantified in SEOC, similar to other Chinese cities previously studied. High ratio of UCM to n-alkanes (U:R) and the composition of triterpanes indicated that engine exhaust was a major source of the airborne organic matter. Emissions from coal burning had more impact in the rural areas, according to the U:R value and PAHs composition. Chemical mass balance (CMB) modeling shows that about half of the organic carbon was from engine exhaust and about 15% was from coal burning. No clear spatial variation in the concentration of the organic matter was found between urban and rural areas. Our results showed that due to the rapid urbanization and relocation of industrial plants from urban areas to rural areas in the past 20 years, air pollution in rural areas is becoming a serious problem in Shanghai and the Yangtze River delta.
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Monitoring data for PM2.5 and PM10-2.5 in China are scarce.
“In China, PM2.5 and PM10-2.5 are not the criteria air pollutants, and their monitoring data are scarce.”
From Differentiating the effects of fine and coarse particles on daily mortality in Shanghai, China (2007) · cites this paper as Feng et al. 2006
Published data on PM2.5 pollution in China are scarce to date.
“The published data on PM2.5 pollution in China are scarce to date (Feng et al. 2005; Feng et al. 2006; He et al. 2006; Sun et al. 2006; Wang et al. 2004; Yang et al. 2005; Yang et al. 2005).”
From Differentiating the effects of fine and coarse particles on daily mortality in Shanghai, China (2007) · cites this paper as Feng et al. 2006
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Differentiating the effects of fine and coarse particles on daily mortality in Shanghai, China
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- Authors
- Feng, J., Chan, C. K., Fang, M., Hu, M., He, L., & Tang, X.
- Affiliations
- Hong Kong University of Science and Technology (HK)
- Peking University (CN)
- Venue
- Chemosphere
- Publisher
- Elsevier BV
- Published
- 2006-08
- Volume
- 64
- Issue
- 8
- Pages
- 1393-1400
- ISSN
- 0045-6535 (ISSN-L)
- OpenAlex
- W2093047912
- Cited by
- 139
- References
- 32
- Citations by year
- 2025: 1 · 2024: 4 · 2023: 5 · 2022: 7 · 2021: 4 · 2020: 7 · 2019: 3 · 2018: 4 · 2017: 10 · 2016: 5 · 2015: 17 · 2014: 6 · 2013: 9 · 2012: 11
- FWCI
- 7.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Chemosphere (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China
- Topics
- Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Atmospheric chemistry and aerosols
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
- Physical Sciences › Chemical Engineering › Fluid Flow and Transfer Processes › Advanced Combustion Engine Technologies
- Keywords
- PM2.5, atmospheric organic matter, water-soluble organic carbon, elemental carbon, unresolved complex mixture, n-alkanes, triterpanes, fatty acids, polycyclic aromatic hydrocarbons, engine exhaust, coal combustion, chemical mass balance, seasonal variation, Shanghai, Yangtze River Delta
- MeSH terms
- Aerosols, Air Pollutants, China, Environmental Monitoring, Organic Chemicals, Particle Size, Seasons
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