Daily irradiance in Kongsfjorden

Daily averaged solar irradiance in Ny-Ålesund:
circles represent mean values of visible radiation (1996-1999; 370-695 nm); lines show minimal and maximal values of visible radiation, illustrating daily variations; triangls are mean values of UV-B radiation (1998-2000); 280-320 nm). Data from the Baseline Surface Radiation network station.

Svendsen et al. 2002, Polar Research, 21(1), 133-166.