水质参数 | 汛期(样本300个) | 非汛期(样本300个) | 全年(样本600个) | ||||||
变化范围 | 均值 | 标准偏差 | 变化范围 | 均值 | 标准偏差 | 变化范围 | 均值 | 标准偏差 | |
SS | 5~1095 | 95.1 | 110.2 | 5~765 | 136.6 | 124.1 | 5~1095 | 115.9 | 119.1 |
TN | 1.45~5.62 | 2.41 | 0.55 | 1.44~5.48 | 2.82 | 0.65 | 1.44~5.62 | 2.61 | 0.64 |
G混 | 1.8~7.7 | 3.7 | 1.0 | 1.6~9.8 | 3.9 | 1.4 | 1.6~9.8 | 3.8 | 1.2 |
G沉 | 1.5~4.9 | 2.4 | 0.6 | 1.6~5.8 | 2.9 | 0.8 | 1.5~5.8 | 2.7 | 0.7 |
G抽 | 1.3~3.7 | 2.0 | 0.4 | 1.4~3.6 | 2.3 | 0.4 | 1.3~3.7 | 2.1 | 0.4 |
G1 | 0.1~4.6 | 1.7 | 0.9 | 0~7.7 | 1.7 | 1.3 | 0~7.7 | 1.7 | 1.1 |
G2 | 0~1.8 | 0.4 | 0.3 | 0~3.1 | 0.6 | 0.6 | 0~3.1 | 0.5 | 0.5 |
G3 | 0~3.7 | 1.3 | 0.8 | 0~5.6 | 1.1 | 1.0 | 0~5.6 | 1.2 | 0.9 |
TP混 | 0.090~1.51 | 0.203 | 0.130 | 0.110~0.76 | 0.253 | 0.114 | 0.090~1.51 | 0.228 | 0.125 |
TP沉 | 0.034~0.335 | 0.124 | 0.039 | 0.079~0.463 | 0.162 | 0.057 | 0.034~0.463 | 0.143 | 0.052 |
TP抽 | 0.005~0.124 | 0.061 | 0.020 | 0.005~0.135 | 0.075 | 0.017 | 0.005~0.135 | 0.068 | 0.020 |
P1 | 0.024~1.454 | 0.142 | 0.133 | 0.030~0.701 | 0.179 | 0.113 | 0.024~1.454 | 0.160 | 0.125 |
P2 | 0~0.268 | 0.063 | 0.040 | 0.008~0.404 | 0.087 | 0.057 | 0~0.404 | 0.075 | 0.051 |
P3 | 0~1.353 | 0.079 | 0.113 | 0.001~0.464 | 0.091 | 0.081 | 0~1.353 | 0.085 | 0.098 |