Heavy metal (mg/L) | Time (Quarter) | UNICAL | MSWD | MW | |||
0.5 m | 1 m | 0.5 m | 1 m | 0.5 m | 1 m | ||
Cd | 1 | 0.024 | 0.015 | 0.183 | 0.265 | 0.053 | 0.037 |
2 | 0.029 | 0.021 | 0.011 | 0.043 | 0.059 | 0.108 | |
3 | 0.07 | 0.125 | 0.105 | 0.099 | 0.063 | 0.081 | |
4 | 0.018 | 0.012 | 0.122 | 0.196 | 0.061 | 0.04 | |
Mean | 0.035 | 0.043 | 0.105 | 0.151 | 0.059 | 0.067 | |
Cr | 1 | 0.03 | 0.05 | 0.26 | 0.21 | 0.04 | 0.03 |
2 | 0.02 | 0.18 | 0.02 | 0.1 | 0.11 | 0.08 | |
3 | 0.13 | 0.1 | 0.22 | 0.21 | 0.07 | 0.07 | |
4 | 0.02 | 0.04 | 0.1 | 0.11 | 0.04 | 0.03 | |
Mean | 0.05 | 0.09 | 0.15 | 0.16 | 0.06 | 0.05 | |
Cu | 1 | 0.1 | 0.2 | 0.4 | 0.3 | 0.1 | 0.1 |
2 | 0.2 | 0 | 0.3 | 0.3 | 0 | 0 | |
3 | 0 | 0 | 0.2 | 0.1 | 0.1 | 0.1 | |
4 | 0.1 | 0.1 | 0.3 | 0.3 | 0.1 | 0.1 | |
Mean | 0.1 | 0.1 | 0.3 | 0.3 | 0.1 | 0.1 | |
Fe | 1 | 0.4 | 0.6 | 0.9 | 0.7 | 0.7 | 0.6 |
2 | 3.2 | 4 | 1.9 | 2.2 | 3.6 | 3 | |
3 | 0.5 | 0.2 | 0.8 | 0.8 | 0.6 | 0.6 | |
4 | 0.5 | 0.6 | 0.8 | 0.8 | 0.7 | 0.7 | |
Mean | 1.2 | 1.4 | 1.1 | 1.1 | 1.4 | 1.2 | |
Mn | 1 | 0.09 | 0.09 | 0.13 | 0.11 | 0.1 | 0.09 |
2 | 0.13 | 0.11 | 0.1 | 1.12 | 0.09 | 0.09 | |
3 | 0.09 | 0.18 | 0.14 | 0.13 | 0.08 | 0.08 | |
4 | 0.08 | 0.08 | 0.1 | 0.1 | 0.1 | 0.09 | |
Mean | 0.1 | 0.11 | 0.12 | 0.36 | 0.1 | 0.09 | |
Ni | 1 | 0.01 | 0.02 | 0.02 | 0.02 | 0.02 | 0.01 |
2 | 0.02 | 0.01 | 0.01 | 0.02 | 0.01 | 0.01 | |
3 | 0.02 | 0.02 | 0.01 | 0.01 | 0.01 | 0.01 | |
4 | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | 0.01 | |
Mean | 0.02 | 0.01 | 0.01 | 0.02 | 0.02 | 0.01 | |
Pb | 1 | 0.03 | 0.02 | 0.15 | 0.13 | 0.08 | 0.06 |
2 | 0.04 | 0.03 | 0.07 | 0.08 | 0.08 | 0.07 | |
3 | 0.04 | 0.04 | 0.11 | 0.12 | 0.1 | 0.12 | |
4 | 0.04 | 0.03 | 0.15 | 0.1 | 0.09 | 0.07 | |
Mean | 0.04 | 0.03 | 0.12 | 0.11 | 0.09 | 0.08 | |
Zn | 1 | 0.3 | 0.4 | 1.2 | 0.9 | 0.7 | 0.6 |
2 | 0.3 | 0.4 | 0.9 | 0.9 | 0.5 | 0.6 | |
3 | 0.2 | 1.6 | 0.7 | 1.1 | 0.1 | 0.1 | |
4 | 0.3 | 0.4 | 1 | 0.9 | 0.7 | 0.6 | |
Mean | 0.3 | 0.7 | 0.9 | 1.0 | 0.5 | 0.5 |