Catchment name Performance factor Calibration period Validation period
GilgelAbay ENs(Nash-Sutcliffe Efficiency) 0.71 0.77
R2(Relation coefficient) 0.73 0.78
MBE(Mass balance Error) 12.3% 7.49%
Gumera ENs(Nash-Sutcliffe Efficiency) 0.52 0.567
R2(Relation coefficient) 0.724 0.76
MBE(Mass balance Error) 51.2% 42%
Ribb ENs(Nash-Sutcliffe Efficiency) 0.52 0.53
R2(Relation coefficient) 0.77 0.78
MBE(Mass balance Error) 47.1% 46.2%
Megech ENs(Nash-Sutcliffe Efficiency) 0.49 0.5
R2(Relation coefficient) 0.5 0.51
MBE(Mass balance Error) 15% 9%
Table 3: Calibration and validation performance values of upper Blue Nile basin.