Articles | Volume 21, issue 4
Atmos. Chem. Phys., 21, 2601–2613, 2021
https://doi.org/10.5194/acp-21-2601-2021
Atmos. Chem. Phys., 21, 2601–2613, 2021
https://doi.org/10.5194/acp-21-2601-2021
Research article
22 Feb 2021
Research article | 22 Feb 2021

Impact of western Pacific subtropical high on ozone pollution over eastern China

Zhongjing Jiang et al.

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Latest update: 31 Jan 2023
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Short summary
This study demonstrates that the intensity of the western Pacific subtropical high (WPSH), a major synoptic pattern in the northern Pacific during summer, can induce a dipole change in surface ozone pollution over eastern China. Ozone concentration increases in the north and decreases in the south during the strong WPSH phase, and vice versa. The change in chemical processes associated with the WPSH change plays a decisive role, whereas the natural emission of ozone precursors accounts for ~ 30 %.
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