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

Table 5

The simulation results of the models in the calibration 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 (%)
940702	15.4	1210	37.9	8.8	35.7	−24.2	49.9	−1.4	48.0	6.2
950811	27.2	836	−3.8	17.9	10.8	8.8	8.0	5.2	5.7	10.3
960802	87.9	1730	−41.0	−46.8	−32.4	−46.2	−28.6	−39.0	−35.3	−41.2
980813	37.1	1320	−14.9	7.4	4.0	18.7	3.7	19.5	−7.3	13.1
000712	34.1	1770	−33.6	−32.9	−1.6	−11.5	−7.9	−12.9	−18.6	−17.1
010729	12.9	461	3.3	−8.5	6.7	−12.0	12.1	−6.5	10.5	−2.1
020626	15.4	411	−26.5	−2.5	−17.5	−13.8	−16.8	−10.9	−12.8	13.9
030831	53.7	1430	−1.9	−9.0	−7.5	−18.5	5.7	−5.2	−3.3	−12.6
040716	11.1	699	6.5	−18.5	23.9	−18.4	16.8	−14.2	25.2	3.4
050816	44.9	1090	−33.2	−15.1	−30.8	−34.3	−18.7	−19.8	−27.0	−19.1
060926	19.9	337	12.6	55.5	−15.1	−14.5	11.6	7.1	4.1	19.3
070729	29.7	812	19.4	72.7	47.0	78.0	50.4	93.2	40.8	93.8
080720	16.3	504	16.4	−8.2	3.0	−42.2	14.9	−30.3	16.4	−18.2
090828	15.3	287	5.0	120.3	8.2	71.1	19.1	94.2	15.1	125.0
100722	97.4	3780	11.1	19.6	23.4	6.4	28.5	17.8	19.6	18.3
110911	71.4	1570	−12.7	12.3	−4.7	5.2	5.1	19.5	−6.2	13.0