Parameter | Description | Initial range | Calibrated values | |
---|---|---|---|---|
Subbasins: 4,5,7–13 (upstream) | Subbasins: 1,3,6,14–19 (downstream) | |||
v__SFTMP.bsn | Snowfall temperature (°C) | − 1 to 1 | 0.175 | |
v__SMFMN.bsn | Melt factor for snow on December 21 (mm H2O °C−1 days−1) | 1–2 | 1.287 | |
v__SMFMX.bsn | Melt factor for snow on June 21 (mm H2O °C−1 days−1) | 1.6–3.5 | 2.467 | |
v__SMTMP.bsn | Snow melt base temperature (°C) | − 2.3 to 1 | − 1.342 | |
v__SURLAG.bsn | Surface runoff lag coefficient | 1–10 | 6.379 | |
v__ALPHA_BF.gw | Baseflow alpha factor for shallow aquifer (l days−1) | 0–1 | 0.453 | 0.639 |
v__ALPHA_BF_D.gw | Baseflow alpha factor for deep aquifer (l days−1) | 0–1 | 0.756 | 0.913 |
v__ALPHA_BNK.rte | Baseflow alpha factor for bank storage (l days−1) | 0–1 | 0.912 | 0.533 |
v__CH_K2.rte | Effective hydraulic conductivity in main channel alluvium (mm h−1) | 0–75 | 57.068 | 45.018 |
r__CN2.mgt | Initial SCS runoff curve number for moisture condition II | − 0.3 to 0.3 | − 0.279 | 0.137 |
r__DDRAIN.mgt | Depth to subsurface drain (mm) | − 0.3 to 0.3 | 0.066 | − 0.129 |
v__EPCO.hru | Plant uptake compensation factor | 0.01–1 | 0.163 | 0.254 |
v__ESCO.hru | Soil evaporation compensation factor | 0–1 | 0.466 | 0.931 |
r__GDRAIN.mgt | Drain tile lag time (h) | − 0.3 to 0.3 | 0.052 | − 0.021 |
v__GWQMN.gw | Threshold depth of water in the shallow aquifer required for return flow to occur (mm) | 0–2000 | 1435.04 | 960.32 |
v__GW_DELAY.gw | Groundwater delay time (d) | 0–200 | 116.28 | 123.40 |
v__GW_REVAP.gw | Groundwater “revap” coefficient | 0.02–0.1 | 0.092 | 0.0313 |
r__OV_N.hru | Manning´s “n” value for overland flow | − 0.2 to 0.2 | − 0.037 | − 0.025 |
v__REVAPMN.gw | Threshold depth of water in the shallow aquifer for “revap” or percolation to the deep aquifer to occur (mm) | 1000–2000 | 1633.81 | 1521.80 |
r__SOL_AWC().sol | Available water capacity of the soil layer (mm H2O mm soil−1) | − 0.8 to 0.8 | − 0.674 | 0.786 |
r__SOL_BD().sol | Moist bulk density (g cm−3) | − 0.2 to 0.2 | − 0.067 | 0.156 |
r__SOL_K().sol | Saturated hydraulic conductivity (mm h−1) | − 0.8 to 2 | 1.290 | 1.831 |
r__TDRAIN.mgt | Time to drain soil to field capacity (h) | − 0.3 to 0.3 | − 0.097 | − 0.210 |
v__RCHRG_DP.gw | Deep aquifer percolation fraction | 0–0.4 | 0.296 | 0.219 |
AUTO_WSTRS | Water stress threshold that triggers irrigation (mm) | 70 | 30, 40, 60 |