한국해양공학회지 (Journal of Ocean Engineering and Technology)

  • 제34권1호
  • /
  • Pages.26-36
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  • 2020
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  • 1225-0767(pISSN)
  • /
  • 2287-6715(eISSN)
한국해양공학회 (Korean Society of Ocean Engineers)
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Extreme Value Analysis of Metocean Data for Barents Sea

  • Park, Sung Boo (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Shin, Seong Yun (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Shin, Da Gyun (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Jung, Kwang Hyo (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Choi, Yong Ho (Ship and Offshore Research Center, Samsung Heavy Industries, Co. Ltd) ;
  • Lee, Jaeyong (Department of Naval Architecture and Ocean Engineering, Dong-Eui University) ;
  • Lee, Seung Jae (Division of Naval Architecture and Ocean Systems Engineering, Korea Maritime and Ocean University)
  • 투고 : 2019.10.15
  • 심사 : 2020.02.14
  • 발행 : 2020.02.28
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초록

An extreme value analysis of metocean data which include wave, wind, and current data is a prerequisite for the operation and survival of offshore structures. The purpose of this study was to provide information about the return wave, wind, and current values for the Barents Sea using extreme value analysis. Hindcast datasets of the Global Reanalysis of Ocean Waves 2012 (GROW2012) for a waves, winds and currents were obtained from the Oceanweather Inc. The Gumbel distribution, 2 and 3 parameters Weibull distributions and log-normal distribution were used for the extreme value analysis. The least square method was used to estimate the parameters for the extreme value distribution. The return values, including the significant wave height, spectral peak wave period, wind speed and current speed at surface, were calculated and it will be utilized to design offshore structures to be operated in the Barents Sea.

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