Advanced Stormwater Runoff Nutrient Calculator
Input Parameters
Calculation Results
Nutrient Coefficient Reference Table
| Land Use | Nutrient | Coefficient Value | Range |
|---|---|---|---|
| Forest | Total Nitrogen | 1.2 kg/ha/year | 0.8 - 1.6 |
| Forest | Total Phosphorus | 0.04 kg/ha/year | 0.02 - 0.06 |
| Agriculture | Total Nitrogen | 5.2 kg/ha/year | 3.5 - 6.9 |
| Agriculture | Total Phosphorus | 0.3 kg/ha/year | 0.2 - 0.4 |
| Urban | Total Nitrogen | 7.8 kg/ha/year | 5.2 - 10.4 |
| Urban | Total Phosphorus | 0.8 kg/ha/year | 0.5 - 1.1 |