The impact of El Niño–Southern Oscillation on the total column ozone over the Tibetan Plateau

Li, Yang; Feng, Wuhu; Zhou, Xin; Li, Yajuan; Chipperfield, Martyn P.

doi:https://doi.org/10.5194/acp-24-8277-2024

Articles | Volume 24, issue 14

https://doi.org/10.5194/acp-24-8277-2024

© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-24-8277-2024

© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 24, issue 14

Research article

|

23 Jul 2024

Research article |

| 23 Jul 2024

The impact of El Niño–Southern Oscillation on the total column ozone over the Tibetan Plateau

Yang Li, Wuhu Feng, Xin Zhou, Yajuan Li, and Martyn P. Chipperfield

Supplement

https://doi.org/10.5194/acp-24-8277-2024-supplement

Data sets

Ozone monthly gridded data from 1970 to present derived from satellite observations Copernicus Climate Change Service, Climate Data Store https://doi.org/10.24381/cds.4ebfe4eb

ERA5 monthly averaged data on pressure levels from 1940 to present. H. Hersbach et al. https://doi.org/10.24381/cds.6860a573

he impact of El Niño–Southern Oscillation on the total column ozone over the Tibetan Plateau Y. Li et al. https://doi.org/10.5281/zenodo.8383878

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Short summary

The Tibetan Plateau (TP), the highest and largest plateau, experiences strong surface solar UV radiation, whose excess can cause harmful influences on local biota. Hence, it is critical to study TP ozone. We find ENSO, the strongest interannual phenomenon, tends to induce tropospheric temperature change and thus modulate tropopause variability, which in turn favours ozone change over the TP. Our results have implications for a better understanding of the interannual variability of TP ozone.