Study on Water Quality Inversion Model of Dianchi Lake Based on Landsat 8 Data

Table 2

Correlation index between COD and band.

Factor	R ^2
B5	0.818
B2	0.739
B2 + B5	0.828
B4 + B5	0.666
B5/B2	0.679
(B2 − B5)/(B2 + B5)	0.686
B5/(B2 + B5)	0.626
B2 − B5	0.453