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http://dx.doi.org/10.9765/KSCOE.2020.32.6.465

Analysis of Reliability of Weather Fields for Typhoon Sanba (1216)  

Kwon, Kab Keun (Research Institute, HYCERG, Hanyang University, ERICA Campus)
Jho, Myeong Hwan (Department of Civil and Environmental Engineering, Hanyang University)
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.6, 2020 , pp. 465-480 More about this Journal
Abstract
Numerical simulations of the storm surge and the wave induced by the Typhoon Sanba incident on the south coast of Korea in 2012 are conducted using the JMA-MSM forecast weather field, NCEP-CFSR reanalysis weather field, ECMWF-ERA5 reanalysis weather field, and the pressure and wind fields obtained using the best track information provided by JTWC. The calculated surge heights are compared with the time history observed at harbors along the coasts of Korea. For the waves the calculated significant wave heights are compared with the data measured using the wave buoys and the underwater pressure type wave gauge. As a result the JMA-MSM and the NCEP-CFSR weather fields give the highest reliability. The ECMWF-ERA5 gives in general surge and wave heights weaker than the measured. The ECMWF-ERA5, however, reproduces the best convergence belt formed in front of the typhoon. The weather field obtained using JTWC best track information gives the worst agreement.
Keywords
Typhoon Sanba; JMA-MSM; NCEP-CFSR; ECMWF-ERA5; JTWC best track; storm surge; wave; numerical simulation;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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