globalchange  > 影响、适应和脆弱性
DOI: 10.1002/2016MS000850
Scopus记录号: 2-s2.0-85018915812
论文题名:
Sensitivity of storm wave modeling to wind stress evaluation methods
作者: Chen Y; , Yu X
刊名: Journal of Advances in Modeling Earth Systems
ISSN: 19422466
出版年: 2017
卷: 9, 期:2
起始页码: 893
结束页码: 907
语种: 英语
英文关键词: Boundary layers ; Energy dissipation ; Momentum ; Ocean currents ; Sensitivity analysis ; Storms ; Water waves ; Wind power ; Wind stress ; Air sea interactions ; Air-sea interaction process ; Energy conservation equations ; Quantitative result ; Significant wave height ; Stress coefficients ; Stress evaluations ; Wave Boundary Layer model ; Hurricanes ; air-sea interaction ; deep water ; energy conservation ; energy dissipation ; Hurricane Katrina 2005 ; sensitivity analysis ; shallow water ; significant wave height ; storm ; wave modeling ; wind stress
英文摘要: The application of the wave boundary layer model (WBLM) for wind stress evaluation to storm wave modeling is studied using Hurricane Katrina (2005) as an example, which is chosen due to its great intensity and good availability of field data. The WBLM is based on the momentum and energy conservation equations and takes into account the physical details of air-sea interaction processes as well as energy dissipation due to the presence of sea spray. Four widely-used bulk-type formulas are also used for comparison. Simulated significant wave heights with WBLM are shown to agree well with the observed data over deep water. The WBLM yields a smaller wind stress coefficient on the left hand side of the hurricane track, which is reasonable considering the effect of the sea state on momentum transfer. Quantitative results show that large differences of the significant wave height are observed in the hurricane core among five wind stress evaluation methods and the differences are up to 12 m, which is in agreement with the general knowlege that the ocean dynamic processes under storm conditions are very sensitive to the amount of momentum exchange at the air-sea interface. However, it is the depth-induced energy dissipation, rather than the wind energy input, that dominates the wave height in the shallow water region. A larger value of depth-induced breaking parameter in the wave model results in better agreement with the measurements over shallow water. © 2017. The Authors.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/75763
Appears in Collections:影响、适应和脆弱性
气候变化与战略

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作者单位: State Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Tsinghua University, Beijing, China

Recommended Citation:
Chen Y,, Yu X. Sensitivity of storm wave modeling to wind stress evaluation methods[J]. Journal of Advances in Modeling Earth Systems,2017-01-01,9(2)
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