Ozone Recovery from Merged Observational Data and Model Analysis (OREGANO)

Project related publications

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  1. Arosio, C., Chipperfield, M. P., Rozanov, A., Weber, M., Dhomse, S., Feng, W., Jaross, G., Zhou, X., and Burrows, J. P.: Investigating zonal asymmetries in stratospheric ozone trends from satellite limb observations and a chemical transport model, JGR Atmospheres, 129, e2023JD040353, doi:10.1029/2023JD040353, 2024.
  2. Arosio, C., Sofieva, V., Orfanoz-Cheuquelaf, A., Rozanov, A., Heue, K.-P., Loyola, D., Malina, E., Stauffer, R. M., Tarasick, D., Van Malderen, R., Ziemke, J. R., and Weber, M.: Intercomparison of tropospheric ozone column datasets from combined nadir and limb satellite observations, Atmos. Meas. Tech., 18, 3247–3265, https://doi.org/10.5194/amt-18-3247-2025, 2025.
  3. Auffarth, B., Weber, M., Rozanov, A., Arosio, C., Burrows, J. P., Coldewey-Egbers, M., Davis, S. M., Degenstein, D., Dubé, K., Frith, S. M., Froidevaux, L., Loyola, D., Fioletov, V. E., Sofieva, V., van der A, R., and Wild, J. D.: Consistency Between Zonal Mean Stratospheric and Total Column Ozone Trends (2000–2024), EGUsphere [preprint], https://doi.org/10.5194/egusphere-2026-2576, 2026.
  4. Davis, S., Ball, W., Jia, Y., Chiodo, G., Alsing, J., Keeble, J., Akiyoshi, H., Arosio, C., Bednarz, E., Chrysanthou, A., Coldewey-Egbers, M., Damadeo, R., Dhomse, S., Diallo, M., Dietmuller, S., Eichinger, R., Frith, S., Hassler, B., Hegglin, M., Hubert, D., Jöckel, P., Josse, B., Kramarova, N., Loyola, D., Maillard Barras, E., Marchand, M., Morgenstern, O., Plummer, D., Portmann, R., Rosenlof, K., Rozanov, A., Sofieva, V., Staehelin, J., Sukhodolov, T., Tourpali, K., Van der A, R., Wang, H. J. R., Wargan, K., Watanabe, S., Weber, M., Wild, J., Yamashita, Y., and Ziemke, J.: Uncertainties in recent tropical stratospheric and tropospheric ozone changes restrict our understanding of future total column ozone change, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2026-532, 2026.
  5. Chipperfield, M. P., Chrysanthou, A., Damadeo, R., Dameris, M., Dhomse, S. S., Fioletov, V., Frith, S. M., Godin-Beekmann, S., Hassler, B., Liu, J., Müller, R., Petropavlovskikh, I., Santee, M. L., Stauffer, R. M., Tarasick, D., Thompson, A. M., Weber, M., Young, P. J., Comment on "Observation of large and all-season ozone losses over the tropics" [AIP Advances 12 075006 (2022)], AIP Adv., 12, 129102, https://doi.org/10.1063/5.0121723, 2022.
  6. Chipperfield, M. P. and Bekki, S.: Opinion: Stratospheric ozone - depletion, recovery and new challenges, Atmos. Chem. Phys., 24, 2783–2802, doi:10.5194/acp-24-2783-2024, 2024.
  7. Chipperfield, M. P., Heddell, S., Dhomse, S., Feng, W., Chang, S., Mann, G., Zhou, X., and Pumphrey, H.: Ongoing large ozone depletion in the polar lower stratospheres: The role of increased water vapour, Faraday Discuss., doi:10.1039/D4FD00163J, 2024.
  8. Chrysanthou, A., Dubé, K., Tegtmeier, S., & Chipperfield, M. P.: Hemispheric asymmetry in stratospheric trends of HCl and ozone: Impact of chemical feedback on ozone recovery, J. Geophys. Res. Atmos., 130, e2024JD042161, doi: 10.1029/2024JD042161, 2025.
  9. Dhomse, S. S. and Chipperfield, M. P.: Using machine-learning to construct TOMCAT model and occultation measurement-based stratospheric methane (TCOM-CH4) and nitrous oxide (TCOM-N2O) profile data sets, Earth Syst. Sci. Data., 15, 5105-5120, https://doi.org/10.5194/essd-15-5105-2023, 2023.
  10. Dunn, R. J. H., J. B. Miller, K. M. Willett, and N. Gobron, et al.: Global Climate [in "State of the Climate in 2022"], Bull. Amer. Meteor. Soc., 104, S11-S145, https://doi.org/10.1175/BAMS-D-23-0090.1, 2023.
  11. Dunn, R. J. H., J. Blannin, N. Gobron, J. B Miller, and K. M. Willett, et al.: Global Climate [in “State of the Climate in 2023“], Bull. Amer. Meteor. Soc., 105, S12–S155, https://doi.org/10.1175/BAMS-D-24-0116.1, 2024.
  12. Dunn, R. J. H., J. Blannin, K. M. Willett, N. Gobron, and G. A. Morris, et al.: Global Climate [in “State of the Climate in 2024“]. Bull. Amer. Meteor. Soc., 106, S11–S172, https://doi.org/10.1175/BAMS-D-25-0102.1, 2025.
  13. Godin-Beekmann, S., Azouz, N., Sofieva, V. F., Hubert, D., Petropavlovskikh, I., Effertz, P., Ancellet, G., Degenstein, D. A., Zawada, D., Froidevaux, L., Frith, S., Wild, J., Davis, S., Steinbrecht, W., Leblanc, T., Querel, R., Tourpali, K., Damadeo, R., Maillard Barras, E., Stübi, R., Vigouroux, C., Arosio, C., Nedoluha, G., Boyd, I., Van Malderen, R., Mahieu, E., Smale, D., and Sussmann, R.: Updated trends of the stratospheric ozone vertical distribution in the 60°S-60°N latitud range based on the LOTUS regression model, Atmos. Chem. Phys., 22, 11657-11673, https://doi.org/10.5194/acp-22-11657-2022., 2022.
  14. Godin-Beekmann, S., Chipperfield, M. P., Müller, R., Neu, J. L., Newman, P. A., Santee, M. L., Solomon, S., Tarasick, D., Thompson, A. M., and Wang, Z.: Cosmic ray–driven electron-induced reaction theory does not quantify spatiotemporal variations in lower-stratospheric ozone and temperature, Proc. Natl. Acad. Sci. U.S.A., 123, e2528723123, https://doi.org/10.1073/pnas.2528723123, 2026.
  15. He, H., Chipperfield, M. P., Dhomse, S. S., Feng, W., Chang, S., Li, Y., Weber, M., and Heddell, S.: Analysis of Antarctic ozone trends from 1979 to 2023 , EGUsphere [preprint], https://doi.org/10.5194/egusphere-2026-560, 2026.
  16. Hubert, D., Miyazaki, K., Dufour, G., Pennington, E. A., Sofieva, V., Arosio, C., Barret, B., Boynard, A., Coldewey-Egbers, M., Cuesta, J., Heue, K.-P., Keppens, A., Kramarova, N. A., Lambert, J.-C., Loyola, D., Orfanoz-Cheuquelaf, A. P., Siddans, R., Van Malderen, R., Veefkind, P., Wespes, C., and Ziemke, J. R.: Tropospheric Ozone Assessment Report II: Past and present tropospheric ozone using satellite observations, Phil. Trans. R. Soc. A, https://doi.org/10.1098/rsta.2025.0274 (accepted), 2026.
  17. Jonas, C., Vigouroux, C., Langerock, B., Björklund, R., Boynard, A., Carlund, T., De Mazière, M., Effertz, P., Errera, Q., Frey, M. M., Granville, J., Hannigan, J. W., Keppens, A., Jepsen, N., Kivi, R., Lyall, N., Palm, M., Prignon, M., Sofieva, V. F., Strong, K., Svendby, T., Tarasick, D., Thölix, L., Van Malderen, R., Virolainen, Y., von Löwis, S., and Zhao, X.: Detection of ozone recovery in the Arctic from ground-based measurements, Atmos. Chem. Phys., 26, 8089–8124, https://doi.org/10.5194/acp-26-8089-2026, 2026.
  18. Kessenich, H. E., Seppälä, A., Smale, D., Rodger, C. J., and Weber, M.: Quantifying the contribution of transport to Antarctic springtime ozone column variability, Atmos. Chem. Phys., 25, 17527–17552, https://doi.org/10.5194/acp-25-17527-2025, 2025.
  19. Li, Y., Dhomse, S. S., Chipperfield, M. P., Feng, W., Bian, J., Xia, Y., and Guo, D.: Quantifying stratospheric ozone trends over 1984-2020: a comparison of ordinary and regularized multivariate regression models, Atmos. Chem. Phys., 23, 13029-13047, https://doi.org/10.5194/acp-23-13029-2023, 2023.
  20. Salawitch, R. J., Smith, J. B., Selkirk, H., Wargan, K., Chipperfield, M. P., Hossaini, R., Levelt, P. F., Livesey, N. J., McBride, L. A., Millán, L. F., Moyer, E., Santee, M. L., Schoeberl, M. R., Solomon, S., Stone, K., and Worden, H. M.: The Imminent Data Desert: The Future of Stratospheric Monitoring in a Rapidly Changing World, Bulletin of the American Meteorological Society, https://doi.org/10.1175/BAMS-D-23-0281.1, 2025.
  21. Sofieva, V. F., Hänninen, R., Sofiev, M., Szelag, M., Lee, H. S., Tamminen, J., and Retscher, C.: Synergy of Using Nadir and Limb Instruments for Tropospheric Ozone Monitoring (SUNLIT), Atmos. Meas. Tech., 15, 3193-3212, doi:10.5194/amt-15-3193-2022, 2022.
  22. Sofieva, V. F., Szelag, M., Tamminen, J., Arosio, C., Rozanov, A., Weber, M., Degenstein, D., Bourassa, A., Zawada, D., Kiefer, M., Laeng, A., Walker, K. A., Sheese, P., Hubert, D., van Roozendael, M., Retscher, C., Damadeo, R. and Lumpe, J. D.: Updated merged SAGE-CCI-OMPS+ dataset for the evaluation of ozone trends in the stratosphere, Atmos. Meas. Tech., 16, 1881-1899, doi:10.5194/amt-16-1881-2023, 2023.
  23. Sofieva, V. F., Rozanov, A., Szelag, M., Burrows, J. P., Retscher, C., Damadeo, R., Degenstein, D., Rieger, L. A., and Bourassa, A.: CREST: a Climate Data Record of Stratospheric Aerosols, Earth Syst. Sci. Data, 16, 5227–5241, doi: 10.5194/essd-16-5227-2024, 2024.
  24. Sofieva, V. F., Szelag, M. E., Kramarova, N. A., Damadeo, R., Steinbrecht, W., Petropavlovskikh, I., Vigouroux, C., Maillard Barras, E., Zawada, D., Tourpali, K., Frith, S. M., Wild, J. D., Davis, S. M., Arosio, C., Weber, M., Rozanov, A., Auffarth, B., Froidevaux, L., Fuller, R., Degenstein, D., Dube, K., Effertz, P., Leblanc, T., Ancellet, G., Godin-Beekmann, S., McConville, G., Querel, R., Smale, D., DeBacker, M.-R., Mahieu, E., and Sussmann, R.: Updated global and regional trends of stratospheric ozone profiles, Atmos. Chem. Phys., 26, 7387–7405, https://doi.org/10.5194/acp-26-7387-2026, 2026.
  25. Weber, M., Arosio, C., Coldewey-Egbers, M., Fioletov, V. E., Frith, S. M., Wild, J. D., Tourpali, K., Burrows, J. P., and Loyola, D.: Global total ozone recovery trends attributed to ozone-depleting substance (ODS) changes derived from five merged ozone datasets, Atmos. Chem. Phys., 22, 6843-6859, https://doi.org/10.5194/acp-22-6843-2022, 2022.
  26. Weber, M.: Stability requirements of satellites to detect long-term stratospheric ozone trends based upon Monte Carlo simulations, Atmos. Meas. Tech., 17, 3597-3604, https://doi.org/10.5194/amt-17-3597-2024, 2024.
  27. Weber, M. and Chipperfield, M. P.: Ozone Recovery in Encyclopedia of Atmospheric Sciences (Third Edition), Ed. W. A. Robinson, Academic Press, 573-586, ISBN 9780323958219, https://doi.org/10.1016/B978-0-323-96026-7.00158-2, 2026.
  28. Zhou, X., S.S. Dhomse, W. Feng, G. Mann, S. Heddell, H. Pumphrey, B.J. Kerridge, B. Latter, R. Siddans, L. Ventress, R. Querel, P. Smale, E. Asher, E.G. Hall, S. Bekki, M.P. Chipperfield: Antarctic vortex dehydration in 2023 as a substantial removal pathway for Hunga Tonga-Hunga Ha'apai water vapour, Geophys. Res. Lett., 51, e2023GL107630, https://doi.org/10.1029/2023GL107630, 2024.

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