Table 2 Comparison among vo, vc, and vk, and the UH relative peak error (URPE) results in 6 test basins.

From: New method to calculate the dynamic factor–flow velocity in Geomorphologic instantaneous unit hydrograph

Stage

Basin

vo(m/s)

GIUH–vc

GIUH–vk

vc(m/s)

URPE (%)

vk(m/s)

URPE (%)

Regression

Hongyanxi

2.41

2.04

−14.2

0.90

−58.1

Jishou

1.78

1.92

8.1

0.92

−48.5

Sunshuiguan

4.40

3.83

−12.3

1.62

−62.9

Validation

Chuzhou

5.03

5.75

17.3

1.90

−61.2

Yanta

1.57

1.64

4.5

0.77

−50.4

Tianquan

4.79

3.50

−26.5

2.17

−54.1