Table 2. The concentrations of major elements of SPM in the Jiulongjiang River.
(T) indicates the site located in tributary of the Beixi River.
| Sampling site | Al (g/kg) |
Ca (g/kg) |
Fe (g/kg) |
K (g/kg) |
Mg (g/kg) |
Mn (g/kg) |
Na (g/kg) |
Ti (g/kg) |
|---|---|---|---|---|---|---|---|---|
| Beixi River | ||||||||
| 1 | 175 | 2.83 | 45.9 | 17.4 | 3.45 | 2.92 | 1.84 | 2.33 |
| 2 | 167 | 2.59 | 38.7 | 12.8 | 2.89 | 0.86 | 1.24 | 1.79 |
| 3 | 171 | 2.49 | 45.5 | 15.3 | 3.14 | 0.97 | 1.18 | 2.08 |
| 4(T) | 86.9 | 4.80 | 169 | 14.7 | 3.97 | 1.14 | 2.58 | 2.38 |
| 5 | 151 | 2.87 | 56.9 | 17.0 | 3.85 | 0.99 | 1.39 | 2.18 |
| 6(T) | 153 | 3.76 | 51.6 | 22.6 | 5.40 | 0.76 | 1.73 | 3.07 |
| 7(T) | 138 | 4.64 | 52.6 | 22.4 | 4.69 | 1.68 | 1.21 | 3.47 |
| 8(T) | 139 | 4.72 | 51.3 | 22.6 | 4.84 | 1.61 | 1.25 | 3.36 |
| 9 | 141 | 3.68 | 54.6 | 19.9 | 5.01 | 0.97 | 1.70 | 2.91 |
| 10 | 153 | 2.83 | 53.9 | 18.2 | 3.94 | 1.09 | 1.24 | 2.56 |
| 11(T) | 141 | 4.61 | 53.3 | 20.5 | 3.95 | 1.63 | 0.81 | 3.37 |
| 12 | 149 | 2.31 | 54.5 | 18.7 | 3.73 | 0.99 | 1.05 | 2.86 |
| 13 | 181 | 1.93 | 36.3 | 10.5 | 1.87 | 0.94 | 0.37 | 2.12 |
| 14 | 148 | 2.32 | 70.5 | 16.8 | 3.31 | 0.79 | 0.93 | 3.41 |
| 15 | 146 | 2.87 | 48.8 | 18.0 | 3.58 | 1.31 | 1.49 | 2.83 |
| 16 | 162 | 4.31 | 40.6 | 15.0 | 3.00 | 1.08 | 1.87 | 2.96 |
| 17 | 155 | 1.76 | 54.7 | 17.1 | 3.20 | 1.22 | 1.01 | 3.01 |
| 18 | 153 | 2.97 | 54.8 | 16.5 | 3.47 | 1.11 | 1.05 | 3.23 |
| 19 | 151 | 3.08 | 53.0 | 16.9 | 3.47 | 1.20 | 1.49 | 3.21 |
| 20 | 154 | 2.45 | 52.4 | 17.8 | 3.31 | 0.99 | 1.10 | 3.15 |
| 21(T) | 152 | 12.9 | 47.4 | 19.2 | 8.04 | 1.43 | 7.18 | 4.04 |
| Xixi River | ||||||||
| 24 | 160 | 3.10 | 41.9 | 15.1 | 2.82 | 0.76 | 1.14 | 2.40 |
| 25 | 164 | 2.79 | 40.8 | 14.8 | 2.79 | 0.80 | 1.19 | 2.45 |
| 26 | 165 | 2.65 | 43.8 | 13.4 | 2.74 | 1.03 | 0.94 | 2.54 |
| 27 | 171 | 3.18 | 47.9 | 14.7 | 3.01 | 1.20 | 0.94 | 2.68 |
| 28 | 146 | 2.97 | 43.4 | 18.4 | 2.91 | 1.62 | 1.60 | 2.97 |
| 29 | 158 | 2.60 | 45.0 | 14.6 | 2.88 | 1.26 | 0.99 | 2.61 |
| 30 | 162 | 3.97 | 36.7 | 15.6 | 3.23 | 1.80 | 2.36 | 2.90 |
| 31 | 165 | 2.01 | 45.8 | 16.3 | 2.91 | 0.96 | 1.33 | 3.05 |
| 32 | 151 | 3.73 | 44.7 | 13.9 | 3.01 | 1.03 | 1.85 | 3.29 |
| 33 | 153 | 3.47 | 41.9 | 15.6 | 3.58 | 0.77 | 2.37 | 1.52 |
| Nanxi River | ||||||||
| 34 | 66.2 | 53.3 | 26.3 | 18.6 | 12.40 | 0.58 | 10.48 | 3.36 |
| 35 | 145 | 3.15 | 36.3 | 12.4 | 3.07 | 1.36 | 2.62 | 2.60 |
| 36 | 145 | 3.20 | 33.8 | 11.7 | 2.79 | 3.04 | 1.91 | 1.88 |
| 37 | 222 | 8.53 | 63.4 | 32.3 | 13.9 | 1.71 | 7.72 | 5.18 |
| Estuary | ||||||||
| 22 | 140 | 4.36 | 46.3 | 18.3 | 4.33 | 1.06 | 2.26 | 3.41 |
| 23 | 149 | 5.12 | 47.5 | 17.6 | 4.62 | 1.31 | 2.19 | 2.95 |
| 38 | 145 | 3.36 | 44.3 | 15.6 | 4.06 | 1.76 | 1.64 | 3.10 |
| 39 | 133 | 4.42 | 44.8 | 18.4 | 5.63 | 1.32 | 2.76 | 3.58 |
| 40 | 138 | 2.51 | 37.9 | 22.4 | 7.75 | 0.67 | 3.90 | 3.01 |
| 41 | 140 | 3.63 | 44.5 | 18.1 | 5.13 | 1.33 | 2.32 | 3.37 |
| 42 | 140 | 3.47 | 42.4 | 18.4 | 5.10 | 1.28 | 2.19 | 3.52 |