Research Article
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 (m3/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 |
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