ArticleScientific reports2025
Research on water quality prediction of Jiangshan Port based on SCV-CBA model.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Water quality prediction is challenging due to the complex temporal oscillations inherent in time series data. This study addressed these challenges by proposing SSA-optimized CEEMDAN-VMD-CNN-BiLSTM-Attention (SCV-CBA) hybrid model to enhance prediction accuracy. The method began by decomposing water quality time series data into Intrinsic Mode Functions (IMFs) using CEEMDAN, which captured oscillatory patterns at different time scales. SSA-optimized k-means clustering grouped the IMFs into high, medium, and low-frequency components, with high-frequency components further refined using SSA-optimized VMD for detailed feature extraction. CNN was employed to capture spatial patterns in the data, while BiLSTM network modelled temporal dependencies. Attention mechanism dynamically emphasized key features in the time series. The integrated predictions from all components delivered robust and precise results. In dissolved oxygen prediction, the model outperformed others with MSE of 0.08925, RMSE of 0.29875, MAE of 0.20300, and R
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