Articles | Volume 21, issue 19
Atmos. Chem. Phys., 21, 15185–15197, 2021
https://doi.org/10.5194/acp-21-15185-2021
Atmos. Chem. Phys., 21, 15185–15197, 2021
https://doi.org/10.5194/acp-21-15185-2021
Research article
13 Oct 2021
Research article | 13 Oct 2021

Comparison of the influence of two types of cold surge on haze dispersion in eastern China

Shiyue Zhang et al.

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Subject: Dynamics | Research Activity: Laboratory Studies | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Ashfold, M. J., Latif, M. T., Samah, A. A., Mead, M. I., and Harris, N. R. P.: Influence of Northeast Monsoon cold surges on air quality in Eastern Asia, Atmos. Environ., 166, 498–509, https://doi.org/10.1016/j.atmosenv.2017.07.047, 2017. 
Cai, B., Zeng, G., Zhang, G., and Li, Z.: Autumn cold surge paths over North China and the associated atmospheric circulation, Atmosphere, 10, 134, https://doi.org/10.3390/atmos10030134, 2019. 
Cai, W. J., 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. 
Compo, G. P., Kiladis, G. N., and Webster, P. J.: The horizontal and vertical structure of East Asia winter monsoon pressure surges, Q. J. Roy. Meteor. Soc., 125, 29–54, https://doi.org/10.1002/qj.49712555304, 1999. 
Chai, D. H., Wu, M. H., Li, J. X., and Zhao, Y. Q.: Analysis of greenhouse effect of cold wave low temperature on different structures in 2000, Meteorological Science, 22, 367–371, https://doi.org/10.3969/j.issn.1009-0827.2002.03.016, 2002 (in Chinese). 
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This study classified the winter cold surge in eastern China into blocking cold surge and wave-train cold surge and investigated the difference of haze dispersion ability between the two types. The results show that the haze dispersion of blocking cold surge is weaker than that of wave-train cold surge. In the past 4 decades, the frequency of wave-train (blocking) cold surge shows a downward (upward) trend, which means that the ability of cold surge to disperse haze is declining.
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