Incident spectral solar irradiance measured above sea ice at sea ice station PS78/239-1 - Nicolaus, Marcel; Katlein, Christian; Maslanik, James A; Hendricks, Stefan (In supplement to: Nicolaus, M et al. (2012): Changes in Arctic sea ice result in increasing light transmittance and absorption. Geophysical Research Letters, 39(24), L24501, https://doi.org/10.1029/2012GL053738, 2012)