Total column ozone in New Zealand and in the UK in the 1950s

Brönnimann, Stefan; Nichol, Sylvia

doi:https://doi.org/10.5194/acp-20-14333-2020

Articles | Volume 20, issue 22

https://doi.org/10.5194/acp-20-14333-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-14333-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 22

Research article

|

25 Nov 2020

Research article |

| 25 Nov 2020

Total column ozone in New Zealand and in the UK in the 1950s

Stefan Brönnimann and Sylvia Nichol

Supplement

https://doi.org/10.5194/acp-20-14333-2020-supplement

Data sets

A global historical ozone data set and prominent features of stratospheric variability prior to 1979 (Dataset) S. Brönnimann, J. Bhend, J. Franke, S. Flückiger, A. M. Fischer, R. Bleisch, G. Bodeker, B. Hassler, E. Rozanov, and M. Schraner https://doi.org/10.7892/boris.71600

NOAA-CIRES-DOE Twentieth Century Reanalysis Version 3 L. C. Slivinski, G. P. Compo, J. S. Whitaker, P. D. Sardeshmukh, B. S. Giese, C. McColl, R. Allan, X. Yin, R. Vose, H. Titchner, J. Kennedy, L. J. Spencer, L. Ashcroft, S. Brönnimann, M. Brunet, D. Camuffo, R. Cornes, T. A. Cram, R. Crouthamel, F. Domínguez-Castro, J. E. Freeman, J. Gergis, E. Hawkins, P. D. Jones, S. Jourdain, A. Kaplan, H. Kubota, F. Le Blancq, T. Lee, A. Lorrey, J. Luterbacher, M. Maugeri, C. J. Mock, G. K. Moore, R. Przybylak, C. Pudmenzky, C. Reason, V. C. Slonosky, C. Smith, B. Tinz, B. Trewin, M. A. Valente, X. L. Wang, C. Wilkinson, K. Wood, and P. Wyszyński https://doi.org/10.5065/H93G-WS83

Integrated Global Radiosonde Archive (IGRA), Version 2 I. Durre, Y. Xungang, R. S. Vose, S. Applequist, and J. Arnfield https://doi.org/10.7289/V5X63K0Q

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Short summary

Historical column ozone data from New Zealand and the UK from the 1950s are digitised and re-evaluated. They allow studying the ozone layer prior to the era of ozone depletion. Day-to-day changes are addressed, which reflect the flow near the tropopause and hence may serve as a diagnostic for atmospheric circulation in a time and region of sparse radiosondes. A long-term comparison shows the amount of ozone depletion at southern mid-latitudes and indicates how far we are from full recovery.