Sensor

λ (nm)

Equation TU (NTU)

Regression

Coefficient (R²)

Spatial resolution

EO1

550

TU = 0.218 (Rrs550) + 11.248

0.63

30 m

Sentinel 2

665

TU = (Rrs665 − 0.014)/0.013

0.70

20 m