Articles | Volume 20, issue 20
Atmos. Chem. Phys., 20, 12211–12221, 2020
https://doi.org/10.5194/acp-20-12211-2020
Atmos. Chem. Phys., 20, 12211–12221, 2020
https://doi.org/10.5194/acp-20-12211-2020

Research article 28 Oct 2020

Research article | 28 Oct 2020

Roles of climate variability on the rapid increases of early winter haze pollution in North China after 2010

Yijia Zhang et al.

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Subject: Aerosols | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Bey, I., Jacob, D. J., Yantosca, R. M., Logan, J. A., Field, B. D., Fiore, A. M., Li, Q. B., Liu, H. G. Y., Mickley, L. J., and Schultz, M. G.: Global modeling of tropospheric chemistry with assimilated meteorology: Model description and evaluation, J. Geophys. Res.-Atmos., 106, 23073–23095, https://doi.org/10.1029/2001jd000807, 2001. 
Cai, W., Li, K., Liao, H., Wang, H., and Wu, L.: Weather conditions conducive to Beijing severe haze more frequent under climate change, Nat. Clim. Change, 7, 257–262, 2017. 
Chen, S., Guo, J., Song, L., Li, J., Liu, L., and Cohen, J.: Inter-annual variation of the spring haze pollution over the North China Plain: Roles of atmospheric circulation and sea surface temperature, Int. J. Climatol., 39, 783–798, 2019. 
CNEMC: PM2.5 monitoring network, available at: http://beijingair.sinaapp.com/, last access: 22 October 2020. 
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Short summary
Haze events in early winter in North China exhibited rapid growth after 2010, which was completely different from the slow decline observed before 2010. However, global warming and anthropogenic emissions could not explain this trend reversal well, which was puzzling. Our study found that four climate factors, exhibiting completely opposite trends before and after 2010, effectively drove the trend reversal of the haze pollution in North China.
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