The Antarctic stratospheric nitrogen hole: Southern Hemisphere and Antarctic springtime total nitrogen dioxide and total ozone variability as observed by Sentinel-5p TROPOMI

de Laat, Adrianus; van Geffen, Jos; Stammes, Piet; van der A, Ronald; Eskes, Henk; Veefkind, J. Pepijn

doi:https://doi.org/10.5194/acp-24-4511-2024

Articles | Volume 24, issue 7

https://doi.org/10.5194/acp-24-4511-2024

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

https://doi.org/10.5194/acp-24-4511-2024

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

Articles | Volume 24, issue 7

Research article

|

17 Apr 2024

Research article |

| 17 Apr 2024

The Antarctic stratospheric nitrogen hole: Southern Hemisphere and Antarctic springtime total nitrogen dioxide and total ozone variability as observed by Sentinel-5p TROPOMI

Adrianus de Laat, Jos van Geffen, Piet Stammes, Ronald van der A, Henk Eskes, and J. Pepijn Veefkind

Supplement

https://doi.org/10.5194/acp-24-4511-2024-supplement

Data sets

TROPOMI ATBD of the total and tropospheric NO2 data products Jos van Geffen et al. https://doi.org/10.5270/S5P-9bnp8q8

Multi-Sensor Reanalysis (MSR) of total ozone, version 2 Ronald J. van der A et al. https://doi.org/10.21944/temis-ozone-msr2

Nitrogen Dioxide Sentinel-5P Validation Data Analysis Facility https://mpc-vdaf.tropomi.eu/index.php/nitrogen-dioxide

NO2 validations Sentinel-5P Validation Data Analysis Facility https://mpc-vdaf-server.tropomi.eu/no2

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Short summary

Removal of stratospheric nitrogen oxides is crucial for the formation of the ozone hole. TROPOMI satellite measurements of nitrogen dioxide reveal the presence of a not dissimilar "nitrogen hole" that largely coincides with the ozone hole. Three very distinct regimes were identified: inside and outside the ozone hole and the transition zone in between. Our results introduce a valuable and innovative application highly relevant for Antarctic ozone hole and ozone layer recovery.