Real-Time Water-Level Forecasting Using Dilated Causal Convolutional Neural Networks
Jhih-Huang Wang,
Gwo-Fong Lin (),
Ming-Jui Chang,
I-Hang Huang and
Yu-Ren Chen
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Jhih-Huang Wang: National Taiwan University
Gwo-Fong Lin: National Taiwan University
Ming-Jui Chang: National Taiwan University
I-Hang Huang: National Taiwan University
Yu-Ren Chen: National Taiwan University
Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2019, vol. 33, issue 11, No 6, 3759-3780
Abstract:
Abstract Accurate forecasts of hourly water levels during typhoons are crucial to disaster emergency response. To mitigate flood damage, the development of a water-level forecasting model has played an essential role. We propose a model based on a dilated causal convolutional neural network (DCCNN) that can yield water-level forecasts with lead times of 1- to 6-h. A DCCNN model can efficiently exploit a broad-range history. Residual and skip connections are also applied throughout the network to enable training of deeper networks and to accelerate convergence. To demonstrate the superiority of the proposed forecasting technique, we applied it to a dataset of 16 typhoon events that occurred during the years 2012–2017 in the Yilan River basin in Taiwan. In order to examine the efficiency of the improved methodology, we also compared the proposed model with two existing models that were based on the multilayer perceptron (MLP) and the support vector machine (SVM). The results indicate that a DCCNN-based model is superior to both the SVM and MLP models, especially for modeling peak water levels. Much of the performance improvement of the proposed model is due to its ability to provide water-level forecasts with a long lead time. The proposed model is expected to be particularly useful in support of disaster warning systems.
Keywords: Water-level forecasting; Dilated causal convolutional neural network; Artificial neural network; Support vector machine; Flood-warning system (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (6)
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Persistent link: https://EconPapers.repec.org/RePEc:spr:waterr:v:33:y:2019:i:11:d:10.1007_s11269-019-02342-4
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DOI: 10.1007/s11269-019-02342-4
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