A possible pathway for rapid growth of sulfate during haze days in China
Name
Li-2017-A possible pathway for rapid growth of.pdf
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Author(s)
Li, Guohui
Bei, Naifang
Cao, Junji
Huang, Rujin
Wu, Jiarui
Feng, Tian
Wang, Yichen
Liu, Suixin
Zhang, Qiang
Tie, Xuexi
Date Issued
March 2017
Journal
Atmospheric Chemistry and Physics
Publisher
Copernicus GmbH
Citation
Li, Guohui; Bei, Naifang; Cao, Junji; Huang, Rujin; Wu, Jiarui; Feng, Tian et al. “A Possible Pathway for Rapid Growth of Sulfate During Haze Days in China.” Atmospheric Chemistry and Physics 17, no. 5 (March 2017): 3301–3316 © 2017 Author(s)
Version
Final published version
Abstract
Rapid industrialization and urbanization have caused frequent occurrence of haze in China during wintertime in recent years. The sulfate aerosol is one of the most important components of fine particles (PM[subscript 2. 5]) in the atmosphere, contributing significantly to the haze formation. However, the heterogeneous formation mechanism of sulfate remains poorly characterized. The relationships of the observed sulfate with PM[subscript 2. 5], iron, and relative humidity in Xi'an, China have been employed to evaluate the mechanism and to develop a parameterization of the sulfate heterogeneous formation involving aerosol water for incorporation into atmospheric chemical transport models. Model simulations with the proposed parameterization can successfully reproduce the observed sulfate rapid growth and diurnal variations in Xi'an and Beijing, China. Reasonable representation of sulfate heterogeneous formation in chemical transport models considerably improves the PM2. 5 simulations, providing the underlying basis for better understanding the haze formation and supporting the design and implementation of emission control strategies.
MIT Department
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences
Terms of Use
Creative Commons Attribution 3.0 Unported license
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DOI of Published Version
https://doi.org/10.5194/acp-17-3301-2017
