Articles | Volume 21, issue 10
Atmos. Chem. Phys., 21, 7499–7514, 2021
https://doi.org/10.5194/acp-21-7499-2021
Atmos. Chem. Phys., 21, 7499–7514, 2021
https://doi.org/10.5194/acp-21-7499-2021

Research article 18 May 2021

Research article | 18 May 2021

Future changes in Beijing haze events under different anthropogenic aerosol emission scenarios

Lixia Zhang et al.

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Revised manuscript accepted for ACP
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Subject: Aerosols | Research Activity: Atmospheric Modelling | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Amann, M., Bertok, I., Borken-Kleefeld, J., Cofala, J., Heyes, C., Hoglund-Isaksson, L., Kiesewetter, G., Klimont, Z., Schöpp, W., Vellinga, N., and Winiwarter, W.: Adjusted historic emission data, projections, and optimized emission reduction targets for 2030 – A comparison with COM data 2013, Part A: Results for EU-28, TSAP Report #16A, version 1.1., IIASA, Laxenburg, Austria, 2015. 
An, Z., Huang, R., Zhang, R., Tie, X., Li, G., Cao, J., Zhou, W., Shi, Z., Han, Y., Gu, Z., and Ji, Y.: Severe haze in northern China: A synergy of anthropogenic emissions and atmospheric processes, P. Natl. Acad. Sci. USA, 116, 8657–8666, https://doi.org/10.1073/pnas.1900125116, 2019. 
Bellouin, N., Rae, J., Jones, A., Johnson, C., Haywood, J., and Boucher, O.: Aerosol forcing in the Climate Model Intercomparison Project (CMIP5) simulations by HadGEM2-ES and the role of ammonium nitrate, J. Geophys. Res., 116, D20206, https://doi.org/10.1029/2011JD016074, 2011. 
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, 257–62, 2017. 
Callahan, C. W. and Mankin, J. S.: The influence of internal climate variability on projections of synoptically driven Beijing haze, Geophys. Res. Lett., 46, e2020GL088548. https://doi.org/10.1029/2020GL088548, 2020. 
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The projected frequency of circulation patterns associated with haze events and global warming increases significantly due to weakening of the East Asian winter monsoon. Rapid reduction in anthropogenic aerosol further increases the frequency of circulation patterns, but haze events are less dangerous. We revealed competing effects of aerosol emission reductions on future haze events through their direct contribution to haze intensity and their influence on the atmospheric circulation patterns.
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