Estimation of Reservoir Bio-Optical Water Quality Parameters Using Smartphone Sensor Apps and Landsat ETM+: Review and Comparative Experimental Results

Table 6

Statistical summary of Chl-a estimations using Landsat and HydroColor models in relation to the in situ laboratory measurements.

Sensor	MAE (%)	RMSE (μg·L^−1)	NRMSE1	NRMSE2
Landsat ETM+	0.7218	0.7900	0.1280	0.0980	0.9006	0.8111
HydroColor	20.925	2.0890	0.3010	0.3030	0.8310	0.6906