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- W2946528691 abstract "In order to obtain forward states of coastal currents, numerical models are a commonly used approach. However, the accurate definition of initial conditions, boundary conditions and other model parameters are challenging. In this paper, a novel application of a soft computing approach, random forests (RF), was adopted to estimate surface currents for three analysis points in Galway Bay, Ireland. Outputs from a numerical model and observations from a high frequency radar system were used as inputs to develop soft computing models. The input variable structure of soft computing models was examined in detail through sensitivity experiments. High correlation of surface currents between predictions from RF models and radar data indicated that the RF algorithm is a most promising means of generating satisfactory surface currents over a long prediction period. Furthermore, training dataset lengths were examined to investigate influences on prediction accuracy. The largest improvement for zonal and meridional surface velocity components over a 59-h forecasting period was 14% and 37% of root mean square error (RMSE) values separately. Results indicate that the combination of RF models with a numerical model can significantly improve forecasting accuracy for surface currents, especially for the meridional surface velocity component." @default.
- W2946528691 created "2019-05-29" @default.
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- W2946528691 date "2019-05-20" @default.
- W2946528691 modified "2023-10-02" @default.
- W2946528691 title "Estimation of Coastal Currents Using a Soft Computing Method: A Case Study in Galway Bay, Ireland" @default.
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- W2946528691 doi "https://doi.org/10.3390/jmse7050157" @default.
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