| Parameter | Explanation | Unit | Minimum | Maximum |
| Soil and evaporation routine: | ||||
| FC | Maximum soil moisture storage | mm | 100 | 550 |
| LP | Soil moisture threshold for | 3/4 | 0.3 | 1 |
| reduction of evaporation | ||||
| β | Shape coefficient | 3/4 | 1 | 5 |
| Groundwater and response routine: | ||||
| K0 | Recession coefficient | d−1 | 0.1 | 0.5 |
| K1 | Recession coefficient | d−1 | 0.01 | 0.2 |
| K2 | Recession coefficient | d−1 | 5.00E−05 | 0.1 |
| UZL | Threshold for K0-outflow | mm | 0 | 70 |
| PERC | Maximal flow from upper to lower GW-box | mm/d | 0 | 4 |
| Routing routine: | ||||
| MAXBAS | Routing, length of | d | 1 | 2.5 |
| weighting function | ||||