Research Article
Numerical Study on Initial Field of Pollution in the Bohai Sea with an Adjoint Method
Table 1
The change of cost function and MAE after reversion.
| Type of pollutant distribution | Cost function | Initial value of MAE (mg/L) | Initial value of MAE (mg/L) | Reduction ration of MAE (%) |
| Parabolic surface | | | | | Up direction | | 0.53 | 0.06 | 88.7 | Down direction | | 1.52 | 0.20 | 86.9 | Conical surface | | | | | Up direction | | 0.98 | 0.11 | 92.5 | Down direction | | 1.07 | 0.15 | 92.1 |
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