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http://dx.doi.org/10.5762/KAIS.2019.20.4.545

A Study on the Urban Inundation Flooding Forecasting According to the Water Level Conditions  

Choo, Tai-ho (Department of Civil and Environmental Engineering, Pusan National University)
Choo, Yean-moon (Department of Civil and Environmental Engineering, Pusan National University)
Jeon, Hae-seong (Department of Civil and Environmental Engineering, Pusan National University)
Gwon, Chang-heon (Department of Civil and Environmental Engineering, Pusan National University)
Lee, Jae-gyun (Department of Civil and Environmental Engineering, Pusan National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.4, 2019 , pp. 545-550 More about this Journal
Abstract
The frequency of natural disasters and the scale of damage are increasing due to the abnormal weather phenomenon occurring all over the world. As a result, as the hydrological aspect of the urban watershed changes, the increase in impervious area leads to serious domestic flood damage due to increased rainfall. In order to minimize the damage of life and property, domestic flooding prediction system is needed. In this study, we developed a flood nomogram capable of predicting flooding only by rainfall intensity and duration. This study suggests a method to set the internal water immersion alarm criterion by analyzing the characteristics of the flooding damage in the flooded area in the metropolitan area where flooding is highly possible and the risk of flooding is high. In addition, based on the manhole and the pipe, the water level was set as follows under the four conditions. 1) When manhole overflows, 2) when manhole is full, 3) when 70% of the pipe is reached, and 4) when 60% of the pipe is reached. Therefore, it can be used as a criterion and a predictive measure to cope with the pre-preparation before the flooding starts, through the rainfall that causes the flooding and the flooding damage.
Keywords
Urban Inundation; Flood; Inundation Predication; Flood Nomogram; Forecast;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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