Spatial Combination Modeling Framework of Saturation-Excess and Infiltration-Excess Runoff for Semihumid Watersheds

Table 6

The simulation results of the models in the validation period.

Flood number	Observed runoff; (mm)	Observed peak flow; (m^3/s)	XAJ model		Infiltration-excess model		SCM I		SCM II
			Relative runoff error (%)	Relative peak error (%)	Relative runoff error (%)	Relative peak error (%)	Relative runoff error (%)	Relative peak error (%)	Relative runoff error (%)	Relative peak error (%)
810714	14.6	482	−40.4	−15.9	−45.4	−45.8	−36.5	−31.1	−31.2	−15.6
820731	80.3	3500	−3.0	−18.7	−3.7	−24.6	−2.2	−18.9	−6.5	−19.6
820812	19.9	274	−34.1	−44.1	−6.7	−14.3	−7.0	−8.3	−19.6	−19.8
830810	29.9	451	−44.9	−19.2	−32.4	−15.4	−31.7	−13.0	−38.4	−14.8
831003	72.1	1290	−13.5	15.7	−14.8	7.3	−3.5	18.7	−13.5	13.7
831017	29.9	440	−43.4	−39.3	−37.2	−37.8	−28.6	−30.3	−37.9	−42.6
840908	45.4	888	−31.6	−23.3	−35.9	−37.8	−23.0	−24.0	−29.7	−30.1