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Regressing functions of mercury concentrations decreasing with time in sediment in 10 cm depth
| Segment | Regressing functions | R 2 | p |
|---|---|---|---|
| Shaokou | y = 0.551 + 0.999exp(-x/4.580) | 0.999 | <0.01 |
| Baiqi | y = 0.398 + 0.192exp(-x/3.517) | 0.998 | <0.01 |
| Fuyu | y = 0.102 + 0.278exp(-x/6.466) | 0.995 | <0.01 |
| Ganshuigang | y = 0.051 + 0.409exp(-x/3.984) | 0.998 | <0.01 |
