Research Article

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

Table 5

Laboratory spectrophotometric measurement results for Chl-a concentration.

Sample(W-X) 664b (nm)(Y-Z) 665a (nm)(664b − 665a) (nm)Chlorophyll (μg·L−1)

10.78000.74430.03579.54
20.71700.68270.03439.15
30.69200.66000.03208.55
40.60810.58050.02767.37
50.45620.43430.02195.84
60.58710.56440.02276.05
70.70500.67110.03399.04
80.60880.58130.02757.35
90.89100.85250.038510.27
100.65320.62440.02887.69
110.88300.84490.038110.16
120.79500.75810.03699.84