Research Article
Effect of Baseflow Separation on Uncertainty of Hydrological Modeling in the Xinanjiang Model
Table 1
Parameters of the Xinanjiang model and related prior ranges.
| | Parameter | Range | Description |
| | WM/(mm) | 100–250 | Areal soil moisture storage capacity | | 0.1-0.2 | Proportion of mean tension water capacity of the upper layer to WM | | 0.3–0.7 | Proportion of mean tension water capacity of the lower layer to | | KE | 0.8–1.5 | Ratio of potential evapotranspiration to pan evaporation | | 0.1–1.0 | Exponent of soil moisture storage capacity curve | | SM/(mm) | 10–50 | Areal mean free water capacity of the surface soil layer | | EX | 1–1.5 | Exponent of free water capacity curve | | KG | 0.1–0.5 | Outflow coefficients of free water storage to groundwater | | IMP | 0.001–0.1 | Ratio of the impervious to the total area of the basin | | 0.1–0.3 | Coefficient of deep evapotranspiration | | CG | 0.6–0.99 | Recession constant of groundwater storage | | 1–5 | Number of reservoirs in instantaneous unit hydrograph | | NK | 1–4 | Common storage coefficient in instantaneous unit hydrograph |
|
|
