Light remaining
5.0%
50 W/m²
Visibility
26 m
Clear ocean water
Spectral peak
475 nm
Blue–cyan survives
0 m
100
200
300
SURVIVING SPECTRUM
OPTICAL DEPTH
100 m
Sensor depth
100 m
Turbidity
15%
Water type
Clear ocean
Coastal
Estuary
Sun angle
Overhead
45° elevation
Low sun
Probe wavelength
475 nm
Auto descend
Surface
Attenuation k 0.030 m⁻¹
Twilight zone
Orbit around the light probe