Parameters Definition Min-max Model Calibration
r__CN2.mgt Initial SCS runoff curve number -0.2-0.2 74 74.44
r__SOL_AWC.sol Available water capacity of the soil layer -0.2-0.1 0.19 0.24
r__SOL_K.sol Saturated hydraulic conductivity (mm/hr) -0.8-0.8 16.5 15.14
r__SOL_BD.sol Moist bulk density (Mg/m3 or g/cm3) -0.5-0.6 1.5 2.26
a__GWQMN.gw Threshold depth of water in the shallow aquifer required for return flow to occur (mm H2O) 0-25 1000 1020.5
a__GW_REVAP.gw Groundwater “revap” coefficient -0.1-0 0.02 0.02
v__REVAPMN.gw Threshold depth of water in the shallow aquifer for “revap” or percolation to the deep aquifer to occur (mm H2O) 0-500 750 440.30
v__ALPHA_BF.gw Baseflow alpha factor (days) 0-1 0.48 0.80
v__GW_DELAY.gw Groundwater delay time (days) 30-450 31 140.98
v__ESCO.hru Soil evaporation compensation factor. 0.8-1 0.95 0.84
v__SFTMP.bsn Snowfall temperature (oС) -5.0-5.0 1 1.36
v__SMTMP.bsn Snowmelt base temperature (oС) 5.0-5.0 0.5 6.15
v__SMFMX.bsn Melt factor for snow on June 21 (mm H2O/oC-day) 1.7-6.5 4.5 3.92
v__SMFMN.bsn Melt factor for snow on December 21 (mm H2O/oC-day) 1.7-6.5 4.5 2.95
v__TIMP.bsn Snow pack temperature lag factor. 0.01-1 1 0.06
v__SURLAG.bsn Surface runoff lag time. 0.05-24 4 10.28