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http://dx.doi.org/10.9765/KSCOE.2020.32.4.273

Numerical Simulation of Storm Surge and Wave due to Typhoon Bolaven of 2012  

Kim, Gun Hyeong (Research Institute, HYCERG, Hanyang University, ERICA Campus)
Ryu, Kyong Ho (Department of Civil and Environmental Engineering, Hanyang University)
Yoon, Sung Bum (Department of Civil and Environmental Engineering, Hanyang University)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.32, no.4, 2020 , pp. 273-283 More about this Journal
Abstract
Numerical simulations of the storm surge and waves induced by the Typhoon Bolaven incident on the west sea of Korea in 2012 are performed using the JMA-MSM weather field provided by the Japan Meteorological Agency, and the calculated surge heights are compared with the time history observed at harbours along the various coasts of Korea. For the waves occurring coincidentally with the storm surges the calculated significant wave heights are compared with the data measured using the wave buoys operated by the Korea Hydrographic and Oceanographic Agency and the Korea Meteorological Administration. Additional simulations are also performed based on the pressure and wind fields obtained using the best track information provided by the Joint Typhoon Warning Center, and the calculated results are compared and analyzed. The waves and storm surges calculated using JMA-MSM wether field agree well with the observations because of the better reflection of the topography and the pre-background weather field. On the other hand, the calculated results based on the weather fields produced using the JTWC best track information show some limitations of the general trend of the variations of wave and surge heights. Based on the results of this study it is found that the reliable weather fields are essential for the accurate simulation of storm surges and waves.
Keywords
Typhoon Bolaven; JMA-MSM weather field; JTWC best track; storm surge; wave; numerical simulation;
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