Land Use Land Cover Changes in Detection of Water Quality: A Study Based on Remote Sensing and Multivariate Statistics

Table 7

Canonical correlation analysis of the data set.

Canonical variates	1	2
Canonical correlation	0.841	0.660
Chi-square	620	311
Degree of freedom	24	11
Significant level	0.000	0.000
Biological parameter (unit)
E. coli (cfu/100 ml)	−0.975	−0.276
Total coliform (cfu/100 ml)	−0.118	1.006
Physicochemical parameter (unit)
Turbidity (NTU)	0.100	0.024
Dissolved solid (mg/l)	−0.212	0.097
Electrical conductivity (uS)	0.464	−0.527
Salinity (ppt)	−0.404	0.264
Dissolved oxygen (mg/l)	0.724	0.311
Biochemical oxygen demand (mg/l)	−0.211	0.037
Chemical oxygen demand (mg/l)	−0.128	−0.092
Total suspended solid (mg/l)	0.118	−0.377
Arsenic (mg/l)	−0.016	0.246
Mercury (mg/l)	0.176	0.518
Zinc (mg/l)	−0.173	0.623
Iron (mg/l)	0.197	−0.098