IOCAS-IR  > 海洋环流与波动重点实验室
The impact of wave-induced Coriolis-Stokes forcing on satellite-derived ocean surface currents
Hui, Zhenli1,2,3; Xu, Yongsheng1,2
AbstractOcean surface currents estimated from the satellite data consist of two terms: Ekman currents from the wind stress and geostrophic currents from the sea surface height (SSH). But the classical Ekman model does not consider the wave effects. By taking the wave-induced Coriolis-Stokes forcing into account, the impact of waves (primarily the Stokes drift) on ocean surface currents is investigated and the wave-modified currents are formed. The products are validated by comparing with OSCAR currents and Lagrangian drifter velocity. The result shows that our products with the Stokes drift are better adapted to the in situ Lagrangian drifter currents. Especially in the Southern Ocean region (40 degrees S-65 degrees S), 90% (91%) of the zonal (meridional) currents have been improved compared with currents that do not include Stokes drift. The correlation (RMSE) in the Southern Ocean has also increased (decreased) from 0.78 (13) to 0.81 (10.99) for the zonal component and 0.76 (10.87) to 0.79 (10.09) for the meridional component. This finding provides the evidence that waves indeed play an important role in the ocean circulation, and need to be represented in numerical simulations of the global ocean circulation.
KeywordWaves Surface Currents Stokes Drift Correlation Rmse
Indexed BySCI
WOS IDWOS:000371432200024
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Cited Times:5[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, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Ocean & Climate Dynam, Qingdao, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Hui, Zhenli,Xu, Yongsheng. The impact of wave-induced Coriolis-Stokes forcing on satellite-derived ocean surface currents[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2016,121(1):410-426.
APA Hui, Zhenli,&Xu, Yongsheng.(2016).The impact of wave-induced Coriolis-Stokes forcing on satellite-derived ocean surface currents.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,121(1),410-426.
MLA Hui, Zhenli,et al."The impact of wave-induced Coriolis-Stokes forcing on satellite-derived ocean surface currents".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 121.1(2016):410-426.
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