Table 2 Summary of global sensitivity analysis
Variables | Parameter name | Description | t-Stat | p-value | Rank |
|---|---|---|---|---|---|
Flow | 3:R__SOL_BD(..).sol | Soil bulk density | − 0.06 | 0.95 | 6 |
2:V__GW_DELAY.gw | Groundwater delay time (days) | 0.45 | 0.65 | 4 | |
1:R__CN2.mgt | SCS runoff curve number (Cn2) | 0.51 | 0.61 | 3 | |
6:V__ESCO.hru | Soil evaporation compensation factor | − 0.91 | 0.36 | 5 | |
4:V__ALPHA_BNK.rte | Base flow alpha factor (days) | 1.17 | 0.24 | 2 | |
5:V__CH_K2.rte | Channel effective hydraulic conductivity (mm/h) | 1.58 | 0.12 | 1 | |
Sediment | 3.V_GW_DELAY.gw | Threshold depth of water in the shallow aquifer required for return flow to occur | − 0.15 | 0.89 | 3 |
4.V_GWQMN.gw | Ground water alpha factor | 0.39 | 0.72 | 2 | |
2.V_ALPHA-BF.gw | Â | 0.45 | 0.69 | 1 | |
1.R_CN2.mgt |  | − 0.85 | 0.44 | 4 |