Effects of tidal currents on winter wind waves in the Qiongzhou Strait: a numerical study

被引：8

作者：

Bai, Peng ^{[1
,2
]}

Ling, Zheng ^{[2
]}

Liu, Cong ^{[3
]}

Wu, Junshan ^{[4
]}

Xie, Lingling ^{[1
,2
]}

机构：

[1] Southern Marine Sci & Engn Guangdong Lab Zhanjian, Marine Resources Big Data Ctr South China Sea, Zhanjiang 524025, Peoples R China

[2] Guangdong Ocean Univ, Coll Ocean & Meteorol, Guangdong Prov Key Lab Coastal Ocean Variat & Dis, Zhanjiang 524088, Peoples R China

[3] Zhejiang Univ, Ocean Coll, Zhoushan 316021, Peoples R China

[4] Minist Nat Resources, East China Sea Bur, Shanghai 200137, Peoples R China

来源：

ACTA OCEANOLOGICA SINICA | 2020年 / 39卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Qiongzhou Strait; COAWST; significant wave height; peak wave direction; RESIDUAL CURRENTS; COASTAL REGIONS; GRAVITY-WAVES; SURFACE; TURBULENCE; MODEL; SIMULATIONS; DISSIPATION; ENERGY; TIDES;

D O I：

10.1007/s13131-020-1673-2

中图分类号：

P7 [海洋学];

学科分类号：

0707 ;

摘要：

Effects of currents on winter wind waves in the tide-dominated Qiongzhou Strait (QS) were numerically evaluated via employing the coupled ocean-atmosphere-wave-sediment transport (COAWST) modeling system. Validations showed satisfactory model performance in simulating the intense tidal currents in the QS. Different effects of sea level variations and tidal currents on waves were examined under the maximum eastward (METC) and westward (MWTC) tidal currents. In the east entrance area of the QS, the positive sea levels under the MWTC deepened the water depth felt by waves, benefiting the further propagation of wave energy into the inner strait and causing increased wave height. The METC and the MWTC could both enhance the wave height in the east entrance area of the QS, mainly through current-induced convergence and wavenumber shift, respectively. By current-induced refraction, the METC (MWTC) triggered counterclockwise (clockwise) rotation in peak wave directions in the northern part of the QS while clockwise (counterclockwise) rotation in the southern part.

引用

页码：33 / 43

页数：11

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