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Suspended sediment load prediction using artificial neural network and ant lion optimization algorithm

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A Correction to this article was published on 23 July 2020

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Abstract

Suspended sediment load (SSL) estimation is a required exercise in water resource management. This article proposes the use of hybrid artificial neural network (ANN) models, for the prediction of SSL, based on previous SSL values. Different input scenarios of daily SSL were used to evaluate the capacity of the ANN-ant lion optimization (ALO), ANN-bat algorithm (BA) and ANN-particle swarm optimization (PSO). The Goorganrood basin in Iran was selected for this study. First, the lagged SSL data were used as the inputs to the models. Next, the rainfall and temperature data were used. Optimization algorithms were used to fine-tune the parameters of the ANN model. Three statistical indexes were used to evaluate the accuracy of the models: the root-mean-square error (RMSE), mean absolute error (MAE) and Nash-Sutcliffe efficiency (NSE). An uncertainty analysis of the predicting models was performed to evaluate the capability of the hybrid ANN models. A comparison of models indicated that the ANN-ALO improved the RMSE accuracy of the ANN-BA and ANN-PSO models by 18% and 26%, respectively. Based on the uncertainty analysis, it can be surmised that the ANN-ALO has an acceptable degree of uncertainty in predicting daily SSL. Generally, the results indicate that the ANN-ALO is applicable for a variety of water resource management operations.

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  • 23 July 2020

    Following the publication of the article it has come to the authors' attention that the first panel of Fig. 11 has been repeated with the second panel of Fig. 11.

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Acknowledgements

The authors gratefully acknowledge the technical facility support received from the University of Malaya, Malaysia.

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Correspondence to Ali Najah Ahmed.

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Responsible editor: Marcus Schulz

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Banadkooki, F.B., Ehteram, M., Ahmed, A.N. et al. Suspended sediment load prediction using artificial neural network and ant lion optimization algorithm. Environ Sci Pollut Res 27, 38094–38116 (2020). https://doi.org/10.1007/s11356-020-09876-w

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  • DOI: https://doi.org/10.1007/s11356-020-09876-w

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