water leaving reflectance, water volume reflectance
How to Choose Lw
illustrated using Hyperion image EO1H0800592002192110PZ of Tarawa Atoll
Blue=band4 Green=band11 Red=band21
It is seen that the radiances over a cocconut groove
are at the same level in the blue and red bands,
while they are much higher in the green bands.
The optimization process in 4SM is based on this observation.
Some common sense