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
Salisbury, F. B.
Publications and source records attributed to Salisbury, F. B..
Effects of ultra-violet alone and simulated solar ultra-violet radiation on the leaves of higher plants.
Higher-plant leaves survival under UV along and under simulated solar UV radiation corresponding to radiation incident on Mars, Earth and Venus
ULTRAVIOLET RADIATION↗
Effects of ultra-violet alone and simulated solar ultra-violet radiation on the leaves of higher plants.
Leaf-kill of blades and pine needles by simulated mars, earth, and venus solar radiation
SIMULATION↗