| Parameter | Initial value | Calibrated value |
| Hyd. conductivity of silty clay layer (m/d) | 0.1 - 0.005 | 0.8 |
| Hyd. conductivity of main aquifer unit (m/d) | 20 - 150 | 55 |
| Vertical conductivity of river bed (m/d) | 0.1 - 0.009 | 0.06 |
| Recharge in the flood plain | 0.1 -2.2 mm/day | 0.55 mm/day |
| Recharge in the desert fringes | 20% - 35% of the total irrigation water | 29% of the total irrigation water |
| Specific storage (m−1) | 0.1 | 0.02 |
| Specific yield | 0.22 | 0.25 |