Articles | Volume 21, issue 24
Atmos. Chem. Phys., 21, 18573–18588, 2021
https://doi.org/10.5194/acp-21-18573-2021
Atmos. Chem. Phys., 21, 18573–18588, 2021
https://doi.org/10.5194/acp-21-18573-2021

Research article 21 Dec 2021

Research article | 21 Dec 2021

Linkages between the atmospheric transmission originating from the North Atlantic Oscillation and persistent winter haze over Beijing

Muyuan Li et al.

Data sets

Monthly sea surface temperature data and sea-ice concentration data Met Office https://www.metoffice.gov.uk/hadobs/hadisst/data/download.html

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Short summary
We found that an atmospheric transmission constituted by a western-type positive North Atlantic Oscillation (NAO+) pattern and a positive East Atlantic/West Russia (EA/WR+) pattern plays an essential role in the persistent haze events in Beijing. As the origin of the atmospheric transmission, the state of the western-type NAO pattern can help to increase the predictability of winter haze days and persistent haze events in Beijing on interannual and daily-to-weekly timescales.
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