| Parameter | Description | Units | Default | Range |
|---|
| C | Evaporation coefficient | none | 0 | 0-1 |
| G | used to estimate the proportion of moisture in excess of soil moisture storage capacity recharging groundwater (and also discharged to the stream) | none | 0 | 0-1 |
| H | used to estimate the proportion of rainfall excess contributing to the generated runoff as saturation excess runoff or the Dunne runoff | none | 0 | 0-1 |
| Kg | Time lag parameter for groundwater routing | none | 0.01 | 0.01-200 |
| n | Surface runoff hydrograph ‘shape’ parameter (i.e. number of linear reservoirs) | none | 1 | 1-10 |
| nK | Surface runoff hydrograph ‘scale’ parameter (i.e. time lag parameter in Nash cascade model) | none | 1 | 1-10 |
| T | Ratio of potential evapotranspiration to pan evaporation | none | 0 | 0-1 |
| Y | Infiltration capacity of the soil | mm.d-1 | 0 | 0-100 |
| Z | Effective moisture storage capacity of the soil contributing to the runoff generation mechanisms | mm | 0200 | 0-125 |