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Monthly Streamflow Forecasting Using Decomposition-Based Hybridization with Two-step Verification Method Over the Mangla Watershed, Pakistan

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Abstract

In this study, three ensemble and decomposition methods (DMs), i.e., empirical mode decomposition (EMD), ensemble empirical mode decomposition (EEMD), and improved complete ensemble empirical mode decomposition with additive noise (ICEEMDAN) were coupled with artificial intelligence and machine learning based method AI-ML, i.e., multilayer perceptron (MLP), support vector regression (SVR) to develop six fundamental hybrid models to predict streamflow with one-month lead time. Developed models in this study were categorized into runoff models (RMs) and rainfall–runoff models (RRMs). Results indicated that (i) among standalone models (SMs), support vector regression (SVR) performs better than multilayer perceptron (MLP), (ii) decomposition methods (DMs) can improve the accuracy rate of the standalone models (SMs), and (iii) rainfall–runoff models (RRMs) have shown great accuracy throughout the investigation as compared to runoff models (RMs). To compare model performances, flow hydrographs (FHGs) were generated, and five performance evaluation criteria (PEC) were used to quantify the model precision. Two-step verification methods, i.e., extreme value analysis (EVA) and least value analysis (LVA) approaches, were proposed to verify the performances. Among all developed hybrid models (HMs), i.e., EMD-(MLP, SVR), EEMD-(MLP, SVR), and ICEEMDAN-(MLP, SVR), rainfall–runoff ICEEMDAN-(SVR) model was selected as an optimal model with MAE (59.56), RMSE (91.82), R (0.97) MAPE (8.75), and NSEC (0.97) for Mangla watershed, Pakistan.

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Data Availability

All the data were analyzed using MATLAB. The data used to support the findings of this study are available from the corresponding author upon request.

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Acknowledgements

This work is completed with support of the National Natural Science Foundation of China and Funding for post-doctoral work by department of human resources and social security of Hubei Province and by the State Key Program of National Natural Science of China [No. 51239004] and the National Natural Science Foundation of China [No. 51309105].

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MT contributed to the formal analysis, conceptualization, methodology, writing—original draft, and visualization. MS contributed to software. IA was involved in writing—reviewing and editing. AZ helped in writing—review and editing. DX was involved in writing—project administration and supervision. MIA contributed to the investigation.

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Correspondence to Muhammad Tayyab or Dong Xiaohua.

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Tayyab, M., Xiaohua, D., Sibtain, M. et al. Monthly Streamflow Forecasting Using Decomposition-Based Hybridization with Two-step Verification Method Over the Mangla Watershed, Pakistan. Iran J Sci Technol Trans Civ Eng 47, 565–584 (2023). https://doi.org/10.1007/s40996-022-00947-1

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  • DOI: https://doi.org/10.1007/s40996-022-00947-1

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