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Evaluation of the simulation capability of the Wavewatch III model for Pacific Ocean wave
Bi Fan1,2; Song Jinbao3; Wu Kejian2,4; Xu Yao1
AbstractWave climate analysis and other applications for the Pacific Ocean require a reliable wave hindcast. Five source and sink term packages in the Wavewatch III model (v3.14 and v4.18) are compared and assessed in this study through comprehensive observations, including altimeter significant wave height, advanced synthetic aperture radar swell, and buoy wave parameters and spectrum. In addition to the evaluation of typically used integral parameters, the spectra partitioning method contributes to the detailed wave system and wave maturity validation. The modified performance evaluation method (PS) effectively reduces attribute numbers and facilitates the overall assessment. To avoid possible misleading results in the root mean square error-based validations, another indicator called HH (indicating the two authors) is also calculated to guarantee the consistency of the results. The widely used Tolman and Chalikov (TC) package is still generally efficient in determining the integral properties of wave spectra but is physically deficient in explaining the dissipation processes. The ST4 package performs well in overall wave parameters and significantly improves the accuracy of wave systems in the open ocean. Meanwhile, the newly published ST6 package is slightly better in determining swell energy variations. The two packages (ACC350 and BJA) obtained from Wavewatch III v3.14 exhibit large scatters at different sea states. The three most ideal packages are further examined in terms of reproducing waveinduced momentum flux from the perspective of transport. Stokes transport analysis indicates that ST4 is the closest to the NDBC-buoy-spectrum-based transport values, and TC and ST6 tend to overestimate and underestimate the transport magnitude, respectively, in swell mixed areas. This difference must be considered, particularly in air-wave-current coupling research and upper ocean analysis. The assessment results provide guidance for the selection of ST4 for use in a background Pacific Ocean hindcast for high wave climate research and China Sea swell type analysis.
KeywordWavewatch Iii Evaluation Pacific Ocean Source And Sink Term Packages Wave-induced Flux Stokes Transport
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WOS IDWOS:000360819600005
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Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China
2.Ocean Univ China, Coll Phys & Environm Oceanog, Qingdao 266100, Peoples R China
3.Zhejiang Univ, Ocean Coll, Hangzhou 310058, Zhejiang, Peoples R China
4.Ocean Univ China, Minist Educ, Key Lab Phys Oceanog, Qingdao 266003, Peoples R China
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
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GB/T 7714
Bi Fan,Song Jinbao,Wu Kejian,et al. Evaluation of the simulation capability of the Wavewatch III model for Pacific Ocean wave[J]. ACTA OCEANOLOGICA SINICA,2015,34(9):43-57.
APA Bi Fan,Song Jinbao,Wu Kejian,&Xu Yao.(2015).Evaluation of the simulation capability of the Wavewatch III model for Pacific Ocean wave.ACTA OCEANOLOGICA SINICA,34(9),43-57.
MLA Bi Fan,et al."Evaluation of the simulation capability of the Wavewatch III model for Pacific Ocean wave".ACTA OCEANOLOGICA SINICA 34.9(2015):43-57.
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