The study of the influences of wave-current interaction on significant wave height under serious sea conditions

Meng Fanchang; Li Benxia

doi:10.12284/hyxb2023121

Volume 45 Issue 7

Jul. 2023

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Meng Fanchang，Li Benxia. The study of the influences of wave-current interaction on significant wave height under serious sea conditions[J]. Haiyang Xuebao，2023, 45(7)：1–7 doi: 10.12284/hyxb2023121

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The study of the influences of wave-current interaction on significant wave height under serious sea conditions

doi: 10.12284/hyxb2023121

Meng Fanchang^{1, 2},
Li Benxia^{1, 2, 3
,
,}

1.
National Marine Environmental Forecasting Center, Beijing 100081, China
2.
Key Laboratory of Marine Hazards Forecasting, National Marine Environmental Forecasting Center, Ministry of Natural Resources, Beijing 100081, China
3.
College of Oceanography, Hohai University, Nanjing 210024, China

Received Date: 2022-01-05
Rev Recd Date: 2022-12-20

Available Online: 2023-09-21

Publish Date: 2023-07-01

Abstract

Abstract

As a frontier subject of nonlinear science, wave-current interaction has been studied by many scholars. This paper will explore the wave-current interaction under the serious sea conditions in the Northwest Pacific during the influenced by No.1 super Typhoon “Nepartak” in 2016. The results indicate that wave-current coupling model can effectively improve the simulation accuracy of significant wave height (SWH) under serious sea conditions. The influence of wave-current interaction on SWH is closely related to the angle between wave direction and sea surface current direction: when wave direction is close to current direction, wave-current interaction will decrease the SWH; in those areas where the wave and the current have the opposite direction, wave-current interaction will increase the SWH; the closer the angle between the wave and the current is to 90°, the less influence wave-current interaction has on the SWH. The maximum SWH difference whether including wave-current interaction or not is about 1.5 m.
- serious sea condition,
- wave-current interaction,
- coupled model,
- significant wave height

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References(17)

References

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