Table I. --Model coefficients manipulated during calibration 



Svmbol 



Definition 



Units 



Simulation value 



oMU 



Soil inoisture of a 5-ft profile at beginning of water-year 



in 



1 7 



i J> 



r 



b 



CAT 



Soil moisture of a 5-ft profile at saturation 



m 





U 



FC 



Soil moisture of a 5-ft profile at field capacity 



in 



21 







PWP 



Soil moisture of a 5-ft profile at permanent wilting point 



in 



10 







FQF 



Fraction of soil water (SM>FC) becoming interflow 



in/in 





95 



FK 



Fraction of soil water (SM>FC) becoming deep percolation 



in/in 





63 



AGW 



Groundwater reservoir recession fraction 



in/in 





0012 



DPSP 



Deep seepage to aquifers from ground water fraction 



in/in 





01 



TOP 



Maximum ground water level 



in 



28 



5 



CRC 



Channel routing coefficients 



in/in 



.5, 



. 3 , . 



GBASE 



Snowmelt initiation temperature for the grass-forb types 



Op 



22 







ABASE 



Snowmelt initiation temperature for the aspen type 



"F 



24 







CEASE 



Snowmelt initiation temperature for the conifers type 



"F 



30 







GMC 



Melt rate index for the grass-forb type 



in/^F wk 





25 



AMC 



Melt rate index for the aspen type 



in/°F wk 





25 



CMC 



Melt rate index for the conifer type ' 



in/°F wk 





20 



TMAX 



Critical maximum temperature for precipitation 



°F 



34 







TMIN 



Critical minimum temperature for precipitation 



Op 



42 







Table 2. --Model coefficients held constant during calibration 



Symbol 



Definition 



Units 



Assumed value 



FI 



Infiltration rate 



in/wk 



10 



.0 



ACHP 



Fraction of precipitation intercepted by the stream channel 



in/ in 





. 0065 



TMCH 



Fraction of snowmelt readily entering stream channel 



in/ in 





.0085 



GSTR 



Vegetation storage of rainfall for the grass-forb type 



in/in 





. 09 



ASTR 



Vegetation storage of rainfall for the aspen type 



in/in 





. 12 



CSTR 



Vegetation storage of rainfall for the conifer type 



in/in 





.20 



SNA 



Snowfall interception loss fraction for aspen 



in/in 





.01 



SNC 



Snowfall interception loss fraction for conifers 



in/in 





.07 



GSV 



Snowpack evaporation fraction for grass-forb 



in/in 





.05 



ASV 



Snowpack evaporation fraction for aspen 



in/in 





.034 



CSV 



Snowpack evaporation fraction for conifers 



in/in 





.026 



ACCG 



Snowpack accumulation factor for grass-forb 



in/ in 





.99 



ACCA 



Snowpack accumulation factor for aspen 



in/ in 



1 



.06 



ACCC 



Snowpack accumulation factor for conifers 



in/ in 





.95 



CCG 



Crop coefficient for the grass-forb type 







.90 



CCA 



Crop coefficient for the aspen type 





1 



.25 



CCC 



Crop coefficient for the conifer type 





1 



.25 



DPG 



Rooting depth coefficient for the grass-forb type 







.45 



DPA 



Rooting depth coefficient for the aspen type 







.85 



DPC 



Rooting depth coefficient for the conifer type 







.80 



CVG 



Fractional area of watershed occupied by grass-forb 







.20 



CVA 



Fractional area of watershed occupied by aspen 







.78 



CVG 



Fractional area of watershed occupied by conifers 







.02 



10 



