Evaluation of Satellite Precipitation Products and Their Potential Influence on Hydrological Modeling over the Ganzi River Basin of the Tibetan Plateau
Table 3
Calibration parameters for hydrologic simulation of HEC-HMS model.
Parameters
Physical meaning
Lower bound
Upper bound
Model component
Initial deficit, mm
0
100
Precipitation excess
Maximum deficit, mm
0
250
Constant rate, mm/hr
0
150
Time of concentration, hr
24
72
Surface flow
Storage coefficient, hr
10
100
Recession constant, dimensionless
0.50
1
Subsurface flow
Ratio to peak, dimensionless
0
1
Muskingum travel time, hr
24
150
Reaches flow
Muskingum weighting factor, dimensionless
0.01
0.2
Wet melt rate, mm/°c-day
0
10
Snowmelt flow
Rain rate limit, mm/day
0
600
Melt rate antecedent temperature index coefficient, dimensionless
0
1
Cold content antecedent temperature index coefficient, dimensionless