Implementation and comparison of the recent three-dimensional radiation stress theory and vortex-force formalism in an unstructured-grid coastal circulation model
Xia, M1; Mao, MH1,2; Niu, QR2,3
发表期刊Estuarine, Coastal and Shelf Science
ISSN272-7714
2020-08-05
卷号240页码:106771
关键词ave-induced circulationWave-current interactionNumerical modelingRadiation stressVortex-force formalism
研究领域Marine & Freshwater Biology; Oceanography
DOI10.1016/j.ecss.2020.106771
作者部门海岸带环境过程实验室
英文摘要Given the importance of wave-current interaction in estuarine and coastal dynamics, it is crucial to revisit impacts of surface gravity waves on three-dimensional (3D) nearshore circulation. This work investigates wave-induced circulation in three typical coastal systems including an idealized inlet and planar and natural barred beaches, by implementing the recent 3D radiation stress (RS) theory and vortex-force (VF) formalism to an unstructured-grid Finite-Volume Community Ocean Model (FVCOM). In the idealized inlet case, 3D RS generated appreciable currents near barriers and lateral boundaries while VF forced strong flows via breaking and roller-induced accelerations in front of the inlet. Both simulations indicate vertically varying wave-induced circulation that decreases markedly. In the planar beach with obliquely incident waves, both methods successfully produced surface onshore and bottom undertow, as well as the wave breaking and roller-induced longshore currents. Nevertheless, 3D RS generated unrealistic offshore currents close to the shoreline. The coupled models were validated against observations in the natural barred beach, and results indicate that the 3D RS model agrees slightly better with the observed longshore currents while 3D VF captures the vertical shear of the onshore-offshore flows reasonably. Further investigations suggest that both methods produce the wave breaking-induced surface onshore and bottom undertow successfully, yet they are located further offshore resulting from the 3D RS-induced unrealistic offshore currents. Successful implementations of the paired wave-current theories to the unstructured model would be fundamental and beneficial to the coastal ocean modeling community
文章类型Article
收录类别SCI
语种英语
关键词[WOS]WAVE-CURRENT INTERACTION; COMBINED DERIVATION; BREAKING WAVES; SURF ZONE; CURRENTS; FORMULATION; EQUATIONS; TRANSPORT; DYNAMICS; SYSTEM
研究领域[WOS]Marine & Freshwater Biology; Oceanography
WOS记录号WOS:000535863600017
引用统计被引频次:2[WOS][WOS记录][WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/25264
专题中科院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
通讯作者Xia, M作者单位1.Univ Maryland Eastern Shore, Dept Nat Sci, Princess Anne, MD 21853 USA
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 26400, Peoples R China
3.Shenzhen Univ, Coll Life Sci & Oceanog, Shenzhen 518060, Peoples R China
推荐引用方式
GB/T 7714Xia, M,Mao, MH,Niu, QR. Implementation and comparison of the recent three-dimensional radiation stress theory and vortex-force formalism in an unstructured-grid coastal circulation model[J]. Estuarine, Coastal and Shelf Science,2020,240:106771.
APAXia, M,Mao, MH,&Niu, QR.(2020).Implementation and comparison of the recent three-dimensional radiation stress theory and vortex-force formalism in an unstructured-grid coastal circulation model.Estuarine, Coastal and Shelf Science,240,106771.
MLAXia, M,et al."Implementation and comparison of the recent three-dimensional radiation stress theory and vortex-force formalism in an unstructured-grid coastal circulation model".Estuarine, Coastal and Shelf Science 240(2020):106771.
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Implementation and comparison of the recent three-dimensional radiation stress theory and vortex-for
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