Table 4 Environmental factors of black water aggregation areas in Lake Taihu.
Season | T/°C | WD/m | pH | WT/°C | Eh/mv | DO/mg·L−1 | SD/m | COND μS·cm−1 | SAL/mg·L−1 | TDS/mg·L−1 | L/m | MD/m | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Summer | maximum | 34.20 | 3.70 | 8.74 | 30.50 | 246.20 | 13.83 | 0.40 | 770.00 | 0.38 | 527.00 | 6110.00 | 0.85 |
minimum | 23.60 | 1.00 | 6.92 | 25.60 | 29.60 | 0.98 | 0.08 | 169.00 | 0.08 | 112.00 | 0.00 | 0.00 | |
average | 28.95 | 2.31 | 7.61 | 28.69 | 113.84 | 6.96 | 0.27 | 573.38 | 0.28 | 389.81 | 1547.38 | 0.29 | |
Autumn | maximum | 10.00 | 4.50 | 8.78 | 11.50 | 97.00 | 11.74 | 0.85 | 563.00 | 0.30 | 421.00 | 6110.00 | 0.85 |
minimum | 10.00 | 0.60 | 7.52 | 9.00 | 40.00 | 2.67 | 0.18 | 173.90 | 0.08 | 115.00 | 0.00 | 0.00 | |
average | 10.00 | 2.29 | 8.20 | 10.16 | 70.82 | 9.90 | 0.48 | 431.40 | 0.21 | 294.24 | 1571.38 | 0.29 | |
Winter | maximum | 15 | 4.20 | 9.50 | 15.80 | 153.00 | 11.77 | 0.80 | 901.00 | 0.44 | 621.00 | 6110.00 | 0.85 |
minimum | 10 | 0.40 | 5.00 | 12.80 | 55.00 | 8.07 | 0.20 | 516.00 | 0.25 | 350.00 | 0.00 | 0.00 | |
average | 11.7 | 1.94 | 8.52 | 13.72 | 95.12 | 9.72 | 0.42 | 668.88 | 0.33 | 456.38 | 1571.38 | 0.29 | |
Spring | maximum | 30.00 | 4.20 | 9.32 | 26.96 | 375.80 | 27.32 | 0.40 | 732.00 | 0.37 | 489.00 | 6110.00 | 0.85 |
minimum | 24.00 | 0.40 | 6.97 | 21.94 | 39.60 | 1.60 | 0.00 | 54.00 | 0.12 | 167.00 | 0.00 | 0.00 | |
average | 27.52 | 1.94 | 8.61 | 23.81 | 247.74 | 10.69 | 0.19 | 456.90 | 0.23 | 311.64 | 1571.38 | 0.29 |
