Ratio of blue to red light - A brief increase following sunset.
Time course of blue-to-red light intensity ratio of visible solar spectrum during and after sunset
RADIOMETRY↗
Engineering topics
Publications and source records attributed to Salisbury, F. B..
Time course of blue-to-red light intensity ratio of visible solar spectrum during and after sunset
Higher-plant leaves survival under UV along and under simulated solar UV radiation corresponding to radiation incident on Mars, Earth and Venus
Leaf-kill of blades and pine needles by simulated mars, earth, and venus solar radiation