Measurements of illuminance at sea level, directional luminous reflectances of ocean water and other surfaces, atmospheric beam transmittance, and path luminance for a day with an unobscured, low sun are presented. These data are applicable for visibility calculations for downward paths of sight.
© 1966 Optical Society of America
Original Manuscript: September 7, 1965
Published: May 1, 1966
Almerian R. Boileau and Jacqueline I. Gordon, "Atmospheric Properties and Reflectances of Ocean Water and Other Surfaces for a Low Sun," Appl. Opt. 5, 803-813 (1966)