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

Table 8

Fitting model of pH concentration.

Factor	Model	R ^2	Functional relation
B3	Linear logarithm	0.647	y = 0.0026x + 6.8589
B4	Linear logarithm	0.557	y = 0.0043x + 6.8119
B3 + B4	Linear logarithm	0.654	y = 0.0017x + 6.7299
B3B4	Logarithm	0.615	y = 0.7254ln (x) − 0.4599