Gordon J I, Church P V
Visibility Laboratory, Scripps Institutionof Oceanography, University of California, San Diego,California 92152, USA.
Appl Opt. 1966 Jun 1;5(6):919-23. doi: 10.1364/AO.5.000919.
Two sky luminance distributions are given for overcast sky above snow-covered terrain, and directional luminous reflectance data are presented which were obtained under these skies. Luminous reflectances computed from Krinov spectral reflectance data for a variety of natural terrains measured under overcast are also included.
