Articles | Volume 22, issue 2
https://doi.org/10.5194/acp-22-725-2022
https://doi.org/10.5194/acp-22-725-2022
Research article
 | 
18 Jan 2022
Research article |  | 18 Jan 2022

Effect of rainfall-induced diabatic heating over southern China on the formation of wintertime haze on the North China Plain

Xiadong An, Lifang Sheng, Chun Li, Wen Chen, Yulian Tang, and Jingliang Huangfu

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Cited articles

An, X., Sheng, L., Liu, Q., Li, C., Gao, Y., and Li, J.: The combined effect of two westerly jet waveguides on heavy haze in the North China Plain in November and December 2015, Atmos. Chem. Phys., 20, 4667–4680, https://doi.org/10.5194/acp-20-4667-2020, 2020. 
Branstator, G.: Circumglobal teleconnections, the jet stream waveguide, and the North Atlantic Oscillation, J. Clim., 15, 1893–1910, https://doi.org/10.1175/1520-0442(2002)015<1893:CTTJSW>2.0.CO;2, 2002. 
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. 
Cai, W., Li, K., Liao, H., Wang, H. J., and Wu, L. X.: Weather conditions conducive to Beijing severe haze more frequent under climate change, Nat. Clim. Change, 7, 257–262, https://doi.org/10.1038/nclimate3249, 2017. 
China Meteorological Administration: QXT 113-2010 Observation and forecasting levels of haze, China Meteorol. Press, Beijing, China, 2010 (in Chinese). 
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Short summary
The North China Plain (NCP) suffered many periods of haze in winter during 1985–2015, related to the rainfall-induced diabatic heating over southern China. The haze over the NCP is modulated by an anomalous anticyclone caused by the Rossby wave and a north–south circulation (NSC) induced mainly by diabatic heating. As a Rossby wave source, rainfall-induced diabatic heating supports waves and finally strengthens the anticyclone over the NCP. These changes favor haze over the NCP.
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