Articles | Volume 25, issue 4
https://doi.org/10.5194/acp-25-2269-2025
https://doi.org/10.5194/acp-25-2269-2025
Research article
 | 
20 Feb 2025
Research article |  | 20 Feb 2025

Satellite nadir-viewing geometry affects the magnitude and detectability of long-term trends in stratospheric ozone

Louis Rivoire, Marianna Linz, Jessica L. Neu, Pu Lin, and Michelle L. Santee

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Cited articles

Abalos, M., Calvo, N., Benito-Barca, S., Garny, H., Hardiman, S. C., Lin, P., Andrews, M. B., Butchart, N., Garcia, R., Orbe, C., Saint-Martin, D., Watanabe, S., and Yoshida, K.: The Brewer–Dobson circulation in CMIP6, Atmos. Chem. Phys., 21, 13571–13591, https://doi.org/10.5194/acp-21-13571-2021, 2021. a
Arblaster, J. M., Gillett, N. P., Calvo, N., Forster, P. M., Polvani, L. M., Son, W. S., Waugh, D. W., Young, P. J., Barnes, E. A., Cionni, I., Garfinkel, C. I., Gerber, E. P., Hardiman, S. C., Hurst, D. F., Lamarque, J.-F., Lim, E.-P., Meredith, M. P., Perlwitz, J., Portmann, R. W., Previdi, M., Sigmond, M., Swart, N. C., Vernier, J.-P., and Wu, Y.: Stratospheric ozone changes and climate, in: Scientific assessment of ozone depletion: 2014, World Meteorological Organization, 416 pp., https://csl.noaa.gov/assessments/ozone/2014/report/2014OzoneAssessment.pdf (last access: 7 February 2025), 2014. a
Arosio, C., Rozanov, A., Malinina, E., Eichmann, K.-U., von Clarmann, T., and Burrows, J. P.: Retrieval of ozone profiles from OMPS limb scattering observations, Atmos. Meas. Tech., 11, 2135–2149, https://doi.org/10.5194/amt-11-2135-2018, 2018. a
Austin, J., Horowitz, L. W., Schwarzkopf, M. D., Wilson, R. J., and Levy, H.: Stratospheric ozone and temperature simulated from the preindustrial era to the present day, J. Climate, 26, 3528–3543, https://doi.org/10.1175/jcli-d-12-00162.1, 2013. a
Ball, W. T., Alsing, J., Mortlock, D. J., Rozanov, E. V., Tummon, F., and Haigh, J. D.: Reconciling differences in stratospheric ozone composites, Atmos. Chem. Phys., 17, 12269–12302, https://doi.org/10.5194/acp-17-12269-2017, 2017. a, b
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The recovery of the ozone hole since the 1987 Montreal Protocol has been observed in some regions but has yet to be seen globally. We ask how long it will take to witness a global recovery. Using a technique akin to flying a virtual satellite in a climate model, we find that the degree of confidence we place in the answer to this question is dramatically affected by errors in satellite observations.
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