ACP paper (2022, in print) Godin-Beekmann, S., Azouz, N., Sofieva, V., Hubert, D., Petropavlovskikh, I., Effertz, P., Ancellet, G., Degenstein, D., 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., and van Malderen, R.: Updated trends of the stratospheric ozone vertical distribution in the 60° S–60° N latitude range based on the LOTUS regression model, Atmos. Chem. Phys. Discuss. [preprint],, in print, 2022.  
LOTUS Report (2019) SPARC/IO3C/GAW, 2019: SPARC/IO3C/GAW report on Long-term Ozone Trends and Uncertainties in the Stratosphere. I. Petropavlovskikh, S. Godin-Beekmann, D. Hubert, R. Damadeo, B. Hassler, V. Sofieva (Eds.), SPARC Report No. 9, WCRP-17/2018, GAW Report No. 241, doi:10.17874/f899e57a20b, available at cover lotus report
WMO/UNEP Ozone Assessment (2018) World Meteorological Organization (WMO), Executive Summary: Scientific Assessment of Ozone Depletion: 2018, World Meteorological Organization, Global Ozone Research and Monitoring Project – Report No. 58, 67 pp., Geneva, Switzerland, 2018, available at cover wmo 2018



Selection of presentations by team members

9 Jul 2019 27th IUGG General Assembly I. Petropavlovskikh et al. Stratospheric ozone recovery: summary of the SPARC/WMO/IO3C LOTUS analyses abstract | pdf
11 Apr 2018 EGU General Assembly 2018 R. Damadeo et al. The Long-term Ozone Trends and Uncertainties in the Stratosphere (LOTUS) SPARC activity: Lessons Learned abstract


SPARC, 2019: SPARC Newsletter No. 53, July 2019, 44 pp.
SPARC, 2018: SPARC Newsletter No. 51, July 2018, 36 pp.
SPARC, 2017: SPARC Newsletter No. 49, July 2017, 44 pp.