TY - JOUR A1 - Jia, J. A1 - Kero, A. A1 - Kalakoski, N. A1 - SzelÄ…g, M. E. A1 - Verronen, P. T. T1 - Is there a direct solar proton impact on lower-stratospheric ozone? JO - Atmos. Chem. Phys. J1 - ACP VL - 20 IS - 23 SP - 14969 EP - 14982 Y1 - 2020/12/04 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/20/14969/2020/ L1 - https://acp.copernicus.org/articles/20/14969/2020/acp-20-14969-2020.pdf DO - 10.5194/acp-20-14969-2020 ER -