title: Snowhole blues: comments on Kinney and Corth.
abstract: Empirical observations are reported on illuminance and visibility in overcast snowscapes. Reasons for the improved visibility achieved with yellow goggles are discussed.
mesh_terms: D003118:Color Perception; D003867:Depth Perception; D005135:Eye Protective Devices; D006801:Humans; D008029:Lighting; D011482:Protective Devices; D012914:Snow; D014796:Visual Perception; D014887:Weather