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http://dx.doi.org/10.9765/KSCOE.2020.32.5.340

Development and Verification of a Rapid Refresh Wave Forecasting System  

Roh, Min (Marine & Asian Dust Modelling Team, Operational Systems Development Department, National Institute of Meteorological Science)
La, NaRy (Marine & Asian Dust Modelling Team, Operational Systems Development Department, National Institute of Meteorological Science)
Oh, SangMyeong (Marine & Asian Dust Modelling Team, Operational Systems Development Department, National Institute of Meteorological Science)
Kang, KiRyong (Marine & Asian Dust Modelling Team, Operational Systems Development Department, National Institute of Meteorological Science)
Chang, PilHun (Marine & Asian Dust Modelling Team, Operational Systems Development Department, National Institute of Meteorological Science)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.32, no.5, 2020 , pp. 340-350 More about this Journal
Abstract
A rapid refresh wave forecasting system has been developed using the sea wind on the Korea Local Analysis and Prediction System. We carried out a numerical experiment for wind-wave interaction as an important parameter in determining the forecasting performance. The simulation results based on the seasons of with typhoon and without typhoon has been compared with the observation of the ocean data buoy to verify the forecasting performance. In case of without typhoon, there was an underestimate of overall forecasting tendency, and it confirmed that an increase in the wind-wave interaction parameter leads to a decrease in the underestimate tendency and root mean square error (RMSE). As a result of typhoon season by applying the experiment condition with minimum RMSE on without typhoon, the forecasting error has increased in comparison with the result without typhoon season. It means that the wave model has considered the influence of the wind forcing on a relatively weak period on without typhoon, therefore, it might be that the wave model has not sufficiently reflected the nonlinear effect and the wave energy dissipation due to the strong wind forcing.
Keywords
Korea Local Analysis and Prediction System; rapid refresh wave forecasting system; wind-wave interaction;
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