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Water 2018, 10(5), 574; https://doi.org/10.3390/w10050574

A Case Study for the Application of an Operational Two-Dimensional Real-Time Flooding Forecasting System and Smart Water Level Gauges on Roads in Tainan City, Taiwan

1
Department of Civil Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
2
Water Resources Planning Institute, Water Resources Agency, Ministry of Economic Affairs, Taichung 41350, Taiwan
3
National Center for High-Performance Computing, National Applied Research Laboratories, Hsinchu 30076, Taiwan
*
Author to whom correspondence should be addressed.
Received: 28 January 2018 / Revised: 18 April 2018 / Accepted: 25 April 2018 / Published: 28 April 2018
(This article belongs to the Section Urban Water Management)
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Abstract

An operational two-dimensional real-time flood forecasting system has been developed to prevent urban inundation in Taiwan, and it uses the Delft-FEWS (Flood Early Warning System) platform to integrate the SOBEK models to forecast flooding. A new generation of smart water level gauges, integrating power charging, recording, transmission, and sensing into one, can monitor the inundation on roads in real-time. This study took Annan District in Tainan City, Taiwan, as the study object and presented the application of the flood forecasting system and smart water level gauges in the urban environment. The collected data from Storm 0611 and Typhoon Megi in 2016 were used to assess the accuracy of the flood forecasting system. The analysis of three water level stations in the drainage showed that the one-dimensional simulation results were fairly accurate. According to the 18 observed and simulated inundation depths on the roads, the true positive, false positive, false negative, and true negative values were 8, 0, 2, and 8, respectively. The accuracy, sensitivity, and precision of the flood forecasting system were 0.889, 0.800, and 1.000, respectively, indicating that the two-dimensional simulation results were highly accurate. View Full-Text
Keywords: real-time flooding forecasting system; urban area; smart water level gauge; Delft-FEWS; SOBEK real-time flooding forecasting system; urban area; smart water level gauge; Delft-FEWS; SOBEK
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Chang, C.-H.; Chung, M.-K.; Yang, S.-Y.; Hsu, C.-T.; Wu, S.-J. A Case Study for the Application of an Operational Two-Dimensional Real-Time Flooding Forecasting System and Smart Water Level Gauges on Roads in Tainan City, Taiwan. Water 2018, 10, 574.

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