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ACP | Articles | Volume 18, issue 6
Atmos. Chem. Phys., 18, 4251–4276, 2018
https://doi.org/10.5194/acp-18-4251-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Global and regional assessment of intercontinental transport...

Atmos. Chem. Phys., 18, 4251–4276, 2018
https://doi.org/10.5194/acp-18-4251-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 28 Mar 2018

Research article | 28 Mar 2018

Characteristics of intercontinental transport of tropospheric ozone from Africa to Asia

Han Han et al.

Data sets

TES ozone data NASA Langley Atmospheric Science Data Center https://eosweb.larc.nasa.gov/project/tes/tes_table

NCEP/NCAR reanalysis NOAA Earth System Research Laboratory https://www.esrl.noaa.gov/psd/data/gridded/data.ncep.reanalysis.html

OLR data NOAA Earth System Research Laboratory https://www.esrl.noaa.gov/psd/data/gridded/data.interp_OLR.html

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Short summary
Imported African ozone peaks in the Asian middle and upper troposphere in March. The seasonality of African ozone influence on Asia is mainly driven by the seasonal swing of the ITCZ, the Hadley circulation, and the northern subtropical westerlies. The stronger the ITCZ over Africa in a boreal winter is, the more African ozone is transported to Asia that winter. The convective divergence over the ITCZ and the Somali jet are drivers of interhemispheric transport of African ozone.
Imported African ozone peaks in the Asian middle and upper troposphere in March. The seasonality...
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