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DOI | 10.1029/2020GL090138 |
On the nature of the turbulent energy dissipation energy beneath non‐breaking waves | |
Darek J. Bogucki; Brian K. Haus; Mohammad Barzegar; Shao Mingming; Julian A. Domaradzki | |
2020-09-28 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2020 |
英文摘要 | Here we have determined the nature of turbulent flow associated with oceanic nonbreaking waves, which are on average much more prevalent than breaking waves in most wind conditions. We found this flow to be characterized by a low turbulence microscale Reynolds number of 30 < Reλ < 100. We observed that the turbulent kinetic energy dissipation rate associated with nonbreaking waves ε, ranged to 3 10‐4 W/kg for a wave amplitude 50 cm. The ε, under nonbreaking waves was consistent with ε = 2vT (Sij)2; Sij is the large scale (energy‐containing scales) wave‐induced mean flow stress tensor. The turbulent Reynolds stress associated with nonbreaking waves was consistent with experimental data when parameterized by an amplitude independent constant turbulent eddy viscosity, ten times larger than the molecular value. Given that nonbreaking waves typically cover a much larger fraction of the ocean surface (90‐100 percent) than breaking waves, this result shows that their contribution to wave dissipation can be significant. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/297852 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Darek J. Bogucki,Brian K. Haus,Mohammad Barzegar,等. On the nature of the turbulent energy dissipation energy beneath non‐breaking waves[J]. Geophysical Research Letters,2020. |
APA | Darek J. Bogucki,Brian K. Haus,Mohammad Barzegar,Shao Mingming,&Julian A. Domaradzki.(2020).On the nature of the turbulent energy dissipation energy beneath non‐breaking waves.Geophysical Research Letters. |
MLA | Darek J. Bogucki,et al."On the nature of the turbulent energy dissipation energy beneath non‐breaking waves".Geophysical Research Letters (2020). |
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