Table 5 Trace element composition of the sediments in the Yangtze River
Samples | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu |
|---|---|---|---|---|---|---|---|---|---|---|
Tuotuohe | 3.79 | 0.75 | 3.11 | 0.41 | 2.64 | 0.56 | 1.68 | 0.25 | 1.69 | 0.28 |
Jinshajiang | 6.62 | 1.35 | 6.01 | 0.86 | 6.03 | 1.31 | 4.00 | 0.59 | 3.61 | 0.65 |
Shigu | 6.27 | 1.27 | 5.64 | 0.79 | 5.56 | 1.21 | 3.46 | 0.51 | 3.22 | 0.52 |
Panzhihua 1 | 6.51 | 1.45 | 5.89 | 0.81 | 5.66 | 1.18 | 3.37 | 0.51 | 2.92 | 0.46 |
Yalongjiang | 8.84 | 1.85 | 7.59 | 1.06 | 6.95 | 1.45 | 4.13 | 0.62 | 3.74 | 0.61 |
Panzhihua 2 | 7.40 | 1.64 | 6.53 | 0.89 | 6.14 | 1.27 | 3.67 | 0.53 | 3.26 | 0.53 |
Yibin 1 | 7.85 | 1.74 | 6.83 | 0.94 | 6.64 | 1.43 | 4.06 | 0.59 | 3.73 | 0.59 |
Daduhe | 9.13 | 1.60 | 8.26 | 1.17 | 8.39 | 1.77 | 5.17 | 0.76 | 4.79 | 0.80 |
Minjiang 1 | 6.57 | 1.33 | 5.75 | 0.79 | 5.32 | 1.16 | 3.34 | 0.50 | 3.04 | 0.49 |
Yibin 2 | 6.69 | 1.57 | 5.62 | 0.78 | 5.01 | 1.08 | 3.20 | 0.46 | 2.82 | 0.45 |
Chongqing 1 | 12.19 | 2.87 | 10.76 | 1.52 | 10.72 | 2.40 | 6.99 | 1.03 | 6.62 | 1.08 |
Jialingjiang | 8.34 | 1.43 | 7.18 | 0.97 | 6.75 | 1.44 | 4.27 | 0.64 | 3.94 | 0.63 |
Chongqing 2 | 7.06 | 1.48 | 5.94 | 0.85 | 5.53 | 1.23 | 3.47 | 0.51 | 3.08 | 0.53 |
Fuling 1 | 10.82 | 2.31 | 7.92 | 1.10 | 7.00 | 1.52 | 4.69 | 0.68 | 4.62 | 0.75 |
Wujiang | 6.12 | 1.19 | 5.33 | 0.73 | 4.96 | 1.06 | 2.97 | 0.44 | 2.71 | 0.43 |
Fuling 2 | 8.57 | 1.65 | 7.12 | 0.96 | 6.51 | 1.39 | 4.13 | 0.60 | 4.11 | 0.68 |
Badong | 5.34 | 1.07 | 4.60 | 0.66 | 4.58 | 0.99 | 2.87 | 0.41 | 2.59 | 0.41 |
Yichang | 5.79 | 1.23 | 4.83 | 0.66 | 4.39 | 0.90 | 2.49 | 0.34 | 1.94 | 0.29 |
Yueyang 1 | 8.59 | 1.76 | 6.57 | 0.90 | 5.99 | 1.31 | 3.85 | 0.58 | 3.68 | 0.62 |
Yuanjiang | 5.06 | 0.95 | 4.67 | 0.69 | 5.15 | 1.14 | 3.46 | 0.52 | 3.22 | 0.51 |
Xiangjiang | 10.66 | 1.67 | 8.33 | 1.15 | 7.90 | 1.76 | 5.50 | 0.85 | 5.92 | 0.98 |
Yueyang 2 | 8.92 | 1.62 | 7.82 | 1.08 | 7.46 | 1.64 | 4.70 | 0.74 | 4.71 | 0.77 |
Wuhan 1 | 6.76 | 1.43 | 5.83 | 0.82 | 5.64 | 1.20 | 3.40 | 0.51 | 3.13 | 0.50 |
Hanjiang | 7.81 | 1.56 | 7.00 | 0.98 | 6.85 | 1.43 | 4.12 | 0.58 | 3.63 | 0.59 |
Wuhan 2 | 7.11 | 1.45 | 5.99 | 0.81 | 5.62 | 1.19 | 3.53 | 0.54 | 3.21 | 0.51 |
Jiujiang | 7.87 | 1.63 | 6.85 | 0.94 | 6.33 | 1.39 | 4.02 | 0.57 | 3.60 | 0.57 |
Ganjiang | 7.29 | 0.78 | 6.59 | 1.00 | 7.42 | 1.72 | 5.25 | 0.83 | 5.31 | 0.91 |
Hukou | 9.17 | 1.93 | 8.17 | 1.10 | 7.42 | 1.56 | 4.32 | 0.60 | 3.64 | 0.58 |
Nanjing | 16.26 | 2.67 | 14.42 | 1.99 | 14.74 | 3.31 | 10.04 | 1.57 | 9.84 | 1.68 |
Changxing | 11.13 | 1.99 | 9.39 | 1.28 | 8.75 | 1.93 | 5.60 | 0.86 | 5.35 | 0.89 |