Table 2
The source and range of model variables and parameters that were used to evaluate the best fit parameters for first-order and zero-order decay rate and θ
| Parameter/ variable | Symbol | Value | Units | Source |
|---|---|---|---|---|
| Number of tanks in series | N | 7.8 | unitless | Tracer test evaluation |
| Inlet nitrate concentration | Ci | 6.9–60.8 | mg N L−1 | Field measure |
| Outlet nitrate concentration | Co | 1.1–33.5 | mg N L−1 | Field measure |
| Mean hydraulic retention time |  | 21–29 | hr | Table 1 |
| Temperature | T | 5.3–22.9 | °C | Field measure |
| Set temperature | To | 20 | °C | Conventional value |
| Arrhenius theta | θ | 1.04–1.20 | unitless | Literature |
| First-order decay rate | k1 | 0.1–2.0 | day−1 | Literature |
| Zero-order decay rate | k0 | 0.5–20 | g N m−3 day−1 | Literature |
| Parameter/ variable | Symbol | Value | Units | Source |
|---|---|---|---|---|
| Number of tanks in series | N | 7.8 | unitless | Tracer test evaluation |
| Inlet nitrate concentration | Ci | 6.9–60.8 | mg N L−1 | Field measure |
| Outlet nitrate concentration | Co | 1.1–33.5 | mg N L−1 | Field measure |
| Mean hydraulic retention time | | 21–29 | hr | Table 1 |
| Temperature | T | 5.3–22.9 | °C | Field measure |
| Set temperature | To | 20 | °C | Conventional value |
| Arrhenius theta | θ | 1.04–1.20 | unitless | Literature |
| First-order decay rate | k1 | 0.1–2.0 | day−1 | Literature |
| Zero-order decay rate | k0 | 0.5–20 | g N m−3 day−1 | Literature |