| 동해 중북부 해안의 돌연 고파 출현 분석 |
| 정예찬1, 류경호2, 안석진3, 정원무4 |
1(주)해안해양기술 사원
2한국해양과학기술원 연구원
3(주)해안해양기술 이사
4(주)해안해양기술 고문 |
| Analysis of Sudden High Wave Occurrence along the Central-Northern East Sea Coast of Korea |
| Ye-Chan Jeong1, Kyeong-Ho Ryu2, Suk-Jin Ahn3, Weon-Mu Jeong4 |
1Engineer, Coast and Ocean Technology Research Institute
2Research Scientist, Maritime ICT & Mobility Research Department, Korea Institute of Ocean Science and Technology
3Director, Coast and Ocean Technology Research Institute
4Advisor, Coast and Ocean Technology Research Institute, #2501, A-dong, Hyundai Knowledge Industrial Center, 70 Dusan-ro, Geumcheon-gu, Seoul |
| Corresponding author:
Weon-Mu Jeong ,Tel: +82-2-2104-6606, Email: wmj1960@cotri.co.kr |
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Received: March 11, 2026; Revised: April 23, 2026. Accepted: April 23, 2026. |
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| ABSTRACT |
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This study analyzed eight years of wave observation data collected at four wave monitoring stations in the central–northern East Sea to investigate the occurrence characteristics of sudden high waves. A method that enables a more intuitive and simpler identification of sudden high waves than those used in previous studies was proposed, and the suddenness analysis was conducted more rigorously. By introducing and varying several parameters related to threshold wave height and time intervals, sudden high wave events were identified. As a result, 27 sudden high wave events were observed at Gangneung Beach during the eight-year period. Wave height slope and wave energy slope were selected as variables representing the intensity of sudden high waves. The analysis showed that the time intervals used to calculate these parameters ranged from 3.0 to 12.0 hours for the wave height slope and from 3.0 to 17.5 hours for the wave energy slope. In the case of the wave height slope, nearly half of the sudden high wave events reached their maximum slope within 3 hours. Meanwhile, the maximum wave energy slope corresponding to the maximum wave height slope of the sudden high wave events exhibited an almost linear relationship. In terms of monthly occurrence frequency, December showed the highest number of events (five occurrences), followed by April, October, and November with four occurrences each. The proportion of sudden high waves among storm waves (significant wave height 3 m) was approximately 51%. Furthermore, the occurrence timing of identical sudden high wave events in the central-northern East Sea coast tended to be delayed from north to south. |
| Keywords:
sudden high wave, suddenness, wave height slope, wave energy slope, monthly occurrence frequency |
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