Key parameters of SWAT for Hun and Upper Yangtze river basins
| Parameters . | Definition . | Hun river . | Upper Yangtze river . |
|---|---|---|---|
| CN2 | SCS runoff curve number for moisture condition II | 72 | 35 |
| ALPHA_BF | Base flow recession constant (days) | 0.8 | 0.61 |
| GW_DELAY | Delay time for aquifer recharge (days) | 31 | 15 |
| CH_N2 | Manning's n value for the main and tributary channels | 0.1 | 0.3 |
| CH_K2 | Effective hydraulic conductivity of channel (mm/hr) | 5 | 20 |
| SOL_AWC | Available water capacity (mm/mm) | 0.005 | 0.004 |
| SMTMP | Snow melt minimum temperature (°C) | − 1 | − 2 |
| CANMX | Canopy maximum storage(mm) | 4 | 9 |
| ESCO | Soil evaporation compensation factor (mm) | 0.95 | 0.6 |
| REVAPMN | Threshold depth for evaporation to occur (mm) | 71 | 120 |
| Parameters . | Definition . | Hun river . | Upper Yangtze river . |
|---|---|---|---|
| CN2 | SCS runoff curve number for moisture condition II | 72 | 35 |
| ALPHA_BF | Base flow recession constant (days) | 0.8 | 0.61 |
| GW_DELAY | Delay time for aquifer recharge (days) | 31 | 15 |
| CH_N2 | Manning's n value for the main and tributary channels | 0.1 | 0.3 |
| CH_K2 | Effective hydraulic conductivity of channel (mm/hr) | 5 | 20 |
| SOL_AWC | Available water capacity (mm/mm) | 0.005 | 0.004 |
| SMTMP | Snow melt minimum temperature (°C) | − 1 | − 2 |
| CANMX | Canopy maximum storage(mm) | 4 | 9 |
| ESCO | Soil evaporation compensation factor (mm) | 0.95 | 0.6 |
| REVAPMN | Threshold depth for evaporation to occur (mm) | 71 | 120 |