A study on simulation of flood inundation in a coastal urban area using a two-dimensional well-balanced finite volume model

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• 作者：Woochang Jeong (1)
  
  1. Department of Civil Engineering ; Kyungnam University ; 449 ; Wolyoung-dong ; Masanhappo-gu ; Changwon ; Korea
  
• 关键词：Coastal urban area ; Two ; dimensional finite volume model ; Super ; typhoon ; Inundation simulations ; Well ; balanced scheme
• 刊名：Natural Hazards
• 出版年：2015
• 出版时间：May 2015
• 年：2015
• 卷：77
• 期：1
• 页码：337-354
• 全文大小：3,329 KB
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• 刊物类别：Earth and Environmental Science
• 刊物主题：Earth sciences
  Hydrogeology
  Geophysics and Geodesy
  Geotechnical Engineering
  Civil Engineering
  Environmental Management
  
• 出版者：Springer Netherlands
• ISSN：1573-0840

文摘

In this study, the simulation and analysis of the inundation in a coastal urban area according to the storm surge height are carried out using a two-dimensional finite-volume model with a well-balanced scheme. The target coastal urban area considered in this study is a part of the new town of Changwon city, Gyeongnam province, South Korea; this area was extremely damaged by the storm surge generated during the period of Typhoon Maemi in September 2003. For the purpose of the verification of the numerical model applied in this study, the simulated results are compared and analyzed with the temporal storm surge heights observed at the tide station in Masan Bay and inundation traces in an urban area. Moreover, in order to investigate the influence of super-typhoons possible in the future, the results simulated with the storm surge heights, which were 1.25 and 1.5 times higher than those observed during the period of Typhoon Maemi, are compared and analyzed.