Research Article
Sediment Transport Model for a Surface Irrigation System
Table 3
Model performance for simulating sediment loss for cropped field.
| Date of irrigation |
Transport capacity equation |
Observed (kg) | 2D-Fok and Chiang | 1D-Green Ampt | KL-infiltration function | Simulated (kg) | RMSE ×10−5 (kg) | | Simulated (kg) | RMSE ×10−5 (kg) | | Simulated (kg) | RMSE ×10−5 (kg) | |
| 3rd Mar-05 | YE | 1.12 | 1.15 | 8 | 0.55 | 1.18 | 8 | 0.54 | 1.19 | 9 | 0.45 | MYE | 1.12 | 1.17 | 9 | 0.55 | 1.18 | 9 | 0.53 | 1.19 | 9 | 0.44 | 30th Mar-05 | YE | 1.07 | 0.97 | 9 | 0.53 | 0.96 | 9 | 0.51 | 0.95 | 13 | 0.42 | MYE | 1.07 | 0.88 | 9 | 0.54 | 0.90 | 9 | 0.51 | 0.93 | 13 | 0.42 | 9th Apr-05 | YE | 1.02 | 0.93 | 4 | 0.83 | 0.99 | 4 | 0.78 | 1.00 | 6 | 0.72 | MYE | 1.02 | 0.95 | 4 | 0.83 | 1.00 | 4 | 0.73 | 1.04 | 7.5 | 0.69 | 16th May-05 | YE | 0.63 | 0.78 | 3 | 0.85 | 0.79 | 3 | 0.81 | 0.84 | 6 | 0.75 | MYE | 0.63 | 0.77 | 4 | 0.84 | 0.77 | 4.2 | 0.83 | 0.82 | 7 | 0.72 | 23rd May-05 | YE | 0.29 | 0.42 | 4 | 0.83 | 0.47 | 4 | 0.80 | 0.54 | 7 | 0.72 | MYE | 0.29 | 0.46 | 5 | 0.82 | 0.47 | 6 | 0.80 | 0.54 | 8 | 0.70 |
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