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Comparison of various empirical models with observed data sets for predicting wetting front horizontal advance (wetted width).
| S. No. | Model(s) | Statistical criteria |
|||
|---|---|---|---|---|---|
| MAE (cm) | RMSE (cm) | EF (cm2/cm2) | R2 | ||
| 1 | Al-Ogaidi | 3.952 | 4.050 | 0.385 | 0.997 |
| 2 | Malek and Peters | 5.782 | 6.118 | −0.403 | 0.965 |
| 3 | Amin and Ekhmaj | 1.332 | 1.453 | 0.921 | 0.997 |
| 4 | Li model | 0.698 | 0.894 | 0.970 | 0.997 |
| 5 | Schwartzman and Zur | 6.193 | 6.240 | −0.459 | 0.997 |
