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Journal of Korean Society of Coastal and Ocean Engineers > Volume 30(6); 2018 > Article
J Korean Soc Coast Ocean Eng 2018;30(6): 286-297. doi: https://doi.org/10.9765/KSCOE.2018.30.6.286
조석 및 조류 효과를 고려한 황해역 광역 파랑 수치모의 실험
천후섭1, 안경모2
2한동대학교 공간환경시스템공학부
Coarse Grid Wave Hindcasting in the Yellow Sea Considering the Effect of Tide and Tidal Current
Hwusub Chun1, Kyungmo Ahn2
1Memory Manufacturing Technology Center, Samsung Electronics Co. Ltd.
2School of Spatial Environment System Engineering, Handong Global University, Handong-ro, 558, Pohang, Kyeongbuk 37554, Korea
Corresponding author: Kyungmo Ahn ,Tel: +82-54-260-1421, Email: kmahn@handong.edu
Received: November 18, 2018;  Revised: December 21, 2018.  Accepted: December 22, 2018.
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In the present study, wave measurements at KOGA-W01 were analyzed and then the numerical wind waves simulations have been conducted to investigate the characteristics of wind waves in the Yellow sea. According to the present analysis, even though the location of the wave stations are close to the coastal region, the deep water waves are prevailed due to the short fetch length. Chun and Ahn’s (2017a, b) numerical model has been extended to the Yellow Sea in this study. The effects of tide and tidal currents should be included in the model to accommodate the distinctive effect of large tidal range and tidal current in the Yellow Sea. The wave hindcasting results were compared with the wave measurements collected KOGA-W01 and Kyeockpo. The comparison shows the reasonable agreements between wave hindcastings and measured data, however the model significantly underestimate the wave period of swell waves from the south due to the narrow computational domain. Despite the poorly prediction in the significant wave period of swell waves which usually have small wave heights, the estimation of the extreme wave height and corresponding wave period shows good agreement with the measurement data.
Keywords: Yellow Sea, storm waves, typhoon waves, swell, wind wave, deep water wave, wave hindcasting
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