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http://dx.doi.org/10.9765/KSCOE.2022.34.6.177

A Study on the Methods to Improve High-Wave Reproducibility during Typhoon  

Jong-Dai, Back (Coast and Ocean Technology Research Institute)
Kyong-Ho, Ryu (Maritime ICT R&D Center, Korea Institute of Ocean Science and Technology)
Jong-In, Lee (Department of Civil Engineering, Chonnam National University)
Weon-Mu, Jeong (Maritime ICT R&D Center, Korea Institute of Ocean Science and Technology)
Yeon-S., Chang (Maritime ICT R&D Center, Korea Institute of Ocean Science and Technology)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.34, no.6, 2022 , pp. 177-187 More about this Journal
Abstract
This study estimates the design wave in the event of a typhoon attack at Busan new port using the wind field, the revised shallow water design wave estimation method proposed by the Ministry of Oceans and Fisheries in 2020, and proposed a reliable method of calculating the shallow water design through verification with the wave observation data. As a result of estimating typhoon wave using the wind field and SWAN numerical model, which are commonly used in the field work, for typhoon that affected Busan new port, it was found that reproducibility was not good except typhoons KONG-REY(1825) and MAYSAK(2009). In particular, in the case of typhoon MAEMI(0314), which had the greatest impact on Busan new port, the maximum significant wave height was estimated to be about 35.0% smaller than that of the observed wave data. Therefore, a plan to improve the reproducibility of typhoon wave was reviewed by applying the method of correcting the wind field and the method of using the Boussinesq equation numerical model, respectively. As a result of the review, it was found that the reproducibility of the wind field was not good as before when the wind field correction. However as a method of linking wind field data, SWAN model results, and Boussinesq numerical model, typhoon wave was estimated during typhoon MAEMI(0314), and the maximum significant wave was similar to the wave observations, so it was reviewed to have good reproducibility.
Keywords
busan new port; shallow water design wave; wind field; wave hindcasting; wave observation data;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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