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Article

Research on Runoff Simulations Using Deep-Learning Methods

1
State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300350, China
2
State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
*
Author to whom correspondence should be addressed.
Academic Editor: Andrzej Wałęga
Sustainability 2021, 13(3), 1336; https://doi.org/10.3390/su13031336
Received: 5 December 2020 / Revised: 22 January 2021 / Accepted: 22 January 2021 / Published: 27 January 2021
(This article belongs to the Special Issue Urban Management Based on the Concept of Sustainable Development)
Runoff simulations are of great significance to the planning management of water resources. Here, we discussed the influence of the model component, model parameters and model input on runoff modeling, taking Hanjiang River Basin as the research area. Convolution kernel and attention mechanism were introduced into an LSTM network, and a new data-driven model Conv-TALSTM was developed. The model parameters were analyzed based on the Conv-TALSTM, and the results suggested that the optimal parameters were greatly affected by the correlation between the input data and output data. We compared the performance of Conv-TALSTM and variant models (TALSTM, Conv-LSTM, LSTM), and found that Conv-TALSTM can reproduce high flow more accurately. Moreover, the results were comparable when the model was trained with meteorological or hydrological variables, whereas the peak values with hydrological data were closer to the observations. When the two datasets were combined, the performance of the model was better. Additionally, Conv-TALSTM was also compared with an ANN (artificial neural network) and Wetspa (a distributed model for Water and Energy Transfer between Soil, Plants and Atmosphere), which verified the advantages of Conv-TALSTM in peak simulations. This study provides a direction for improving the accuracy, simplifying model structure and shortening calculation time in runoff simulations. View Full-Text
Keywords: deep learning; ANN; WetSpa; runoff simulation; HanJiang basin deep learning; ANN; WetSpa; runoff simulation; HanJiang basin
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MDPI and ACS Style

Liu, Y.; Zhang, T.; Kang, A.; Li, J.; Lei, X. Research on Runoff Simulations Using Deep-Learning Methods. Sustainability 2021, 13, 1336. https://doi.org/10.3390/su13031336

AMA Style

Liu Y, Zhang T, Kang A, Li J, Lei X. Research on Runoff Simulations Using Deep-Learning Methods. Sustainability. 2021; 13(3):1336. https://doi.org/10.3390/su13031336

Chicago/Turabian Style

Liu, Yan, Ting Zhang, Aiqing Kang, Jianzhu Li, and Xiaohui Lei. 2021. "Research on Runoff Simulations Using Deep-Learning Methods" Sustainability 13, no. 3: 1336. https://doi.org/10.3390/su13031336

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