TY - JOUR A1 - Bernhard, G. A1 - Dahlback, A. A1 - Fioletov, V. A1 - Heikkilä, A. A1 - Johnsen, B. A1 - Koskela, T. A1 - Lakkala, K. A1 - Svendby, T. T1 - High levels of ultraviolet radiation observed by ground-based instruments below the 2011 Arctic ozone hole JO - Atmos. Chem. Phys. J1 - ACP VL - 13 IS - 21 SP - 10573 EP - 10590 Y1 - 2013/11/01 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/13/10573/2013/ L1 - https://acp.copernicus.org/articles/13/10573/2013/acp-13-10573-2013.pdf DO - 10.5194/acp-13-10573-2013 ER -