Dipole pattern of summer ozone pollution in the east  of China and its connection with climate variability

Ma, Xiaoqing; Yin, Zhicong

doi:https://doi.org/10.5194/acp-21-16349-2021

Articles | Volume 21, issue 21

https://doi.org/10.5194/acp-21-16349-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-21-16349-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 21, issue 21

Research article

|

08 Nov 2021

Research article |

| 08 Nov 2021

Dipole pattern of summer ozone pollution in the east of China and its connection with climate variability

Xiaoqing Ma and Zhicong Yin

Supplement

https://doi.org/10.5194/acp-21-16349-2021-supplement

Data sets

Hourly O3 concentration data Ministry of Environmental Protection of China https://quotsoft.net/air/

Sea surface temperature and Sea ice concentration data Met Office Hadley Centre https://www.metoffice.gov.uk/hadobs/hadisst/data/download.html

Meteorological data MERRA-2 https://disc.gsfc.nasa.gov/datasets?page=1

Outgoing Longwave Radiation data University of Maryland OLR Climate Data Record portal http://olr.umd.edu/

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Short summary

Severe ozone pollution frequently occurred in the east of China and obviously damages human health. The meteorological conditions effectively affect the variations in ozone pollution by modulating the natural emissions of ozone precursors and photochemical reactions in the atmosphere. In this study, a south–north dipole pattern of summer-mean ozone concentration in the east of China was identified, and its connections with preceding climate variability at different latitudes were also examined.