TY - JOUR A1 - Pitkänen, M. R. A. A1 - Arola, A. A1 - Lakkala, K. A1 - Koskela, T. A1 - Lindfors, A. V. T1 - Comparing OMI UV index to ground-based measurements at two Finnish sites with focus on cloud-free and overcast conditions JO - Atmos. Meas. Tech. Discuss. J1 - AMTD VL - 2015 SP - 487 EP - 516 Y1 - 2015/01/14 PB - Copernicus Publications SN - 1867-8610 UR - https://amt.copernicus.org/preprints/8/487/2015/ L1 - https://amt.copernicus.org/preprints/8/487/2015/amtd-8-487-2015.pdf DO - 10.5194/amtd-8-487-2015 ER -