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Water 2018, 10(1), 53; https://doi.org/10.3390/w10010053

Application of Flood Nomograph for Flood Forecasting in Urban Areas

1
Research Center for Disaster Prevention Science and Technology, Korea University, Seoul 02841, Korea
2
School of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02841, Korea
3
Department of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02841, Korea
4
Department of Civil Engineering, Dongseo University, Busan 47011, Korea
*
Author to whom correspondence should be addressed.
Received: 28 November 2017 / Revised: 22 December 2017 / Accepted: 8 January 2018 / Published: 10 January 2018
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Abstract

Imperviousness has increased due to urbanization, as has the frequency of extreme rainfall events by climate change. Various countermeasures, such as structural and nonstructural measures, are required to prepare for these effects. Flood forecasting is a representative nonstructural measure. Flood forecasting techniques have been developed for the prevention of repetitive flood damage in urban areas. It is difficult to apply some flood forecasting techniques using training processes because training needs to be applied at every usage. The other flood forecasting techniques that use rainfall data predicted by radar are not appropriate for small areas, such as single drainage basins. In this study, a new flood forecasting technique is suggested to reduce flood damage in urban areas. The flood nomograph consists of the first flooding nodes in rainfall runoff simulations with synthetic rainfall data at each duration. When selecting the first flooding node, the initial amount of synthetic rainfall is 1 mm, which increases in 1 mm increments until flooding occurs. The advantage of this flood forecasting technique is its simple application using real-time rainfall data. This technique can be used to prepare a preemptive response in the process of urban flood management. View Full-Text
Keywords: flood volume; flood forecasting; flood nomograph; rainfall runoff simulation flood volume; flood forecasting; flood nomograph; rainfall runoff simulation
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Lee, E.H.; Kim, J.H.; Choo, Y.M.; Jo, D.J. Application of Flood Nomograph for Flood Forecasting in Urban Areas. Water 2018, 10, 53.

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