Research Article

Influence of Hydrological Model Selection on Simulation of Moderate and Extreme Flow Events: A Case Study of the Blue Nile Basin

Table 7


S. numberParameterUnitValue

TANK

1Depth below the top outlet of the first tank ()(mm)407.26
2Overland runoff from the top outlet of first tank ()(m3/s)0.0584
3Overland runoff from the lower outlet of first tank () (m3/s)0.0029
4Intermediate runoff () (m3/s)0.1308
5Subbase runoff () (m3/s)0.9775
6Base flow () (m3/s)0.9517
7Alpha(—)0.5339
8Outflow from the bottom of the first tank () (m3/s)0.0031
9Outflow from the bottom of the second tank () (m3/s)0.9276
10Outflow from the bottom of the third tank () (m3/s)0.0106
11Water depth in the first tank ()(mm)90.607
12Water depth in the second tank ()(mm)78.564
13Water depth in the third tank ()(mm)48.240
14Water depth in the fourth tank ()(mm)6.489
15Depth below the lower outlet of the first tank ()(mm)146.888
16Depth below the outlet of the second tank ()(mm)73.086
17Depth below the outlet of the third tank ()(mm)2.4874
18Depth below the outlet of the fourth tank (41)(mm)5.8069

SIMHYD

1Baseflow coefficient (—)0.0107
2Impervious threshold(—)1.5412
3Infiltration coefficient (—)308.16
4Infiltration shape (—)2.8373
5Interflow coefficient (—)0.1534
6Pervious fraction (—)0.9922
7Rainfall interception store capacity (mm)4.9412
8Recharge coefficient (—)0.2806
9Soil moisture store capacity (mm)440.91