文献类型: 外文期刊
作者: Lin, Fan 1 ; Asplin, Lars 3 ; Wei, Hao 5 ;
作者机构: 1.Chinese Acad Fishery Sci CAFS, Yellow Sea Fisheries Res Inst, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol QNLM, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao, Peoples R China
3.Inst Marine Res, Bergen, Norway
4.Univ Bergen, Geophys Inst, Bergen, Norway
5.Tianjin Univ, Sch Marine Sci & Technol, Tianjin, Peoples R China
关键词: northern Yellow Sea; internal tides; current modification; tidal mixing front; energetics
期刊名称:FRONTIERS IN MARINE SCIENCE ( 影响因子:5.247; 五年影响因子:5.72 )
ISSN:
年卷期: 2021 年 8 卷
页码:
收录情况: SCI
摘要: The summertime M-2 internal tide in the northern Yellow Sea is investigated with moored current meter observations and numerical current model results. The hydrodynamic model, which is implemented from the Regional Ocean Model System (ROMS) with 1 km horizontal resolution, is capable of resolving the internal tidal dynamics and the results are validated in a comparison with observations. The vertical pattern of a mode-1, semi-diurnal internal tide is clearly captured by the moored ADCP as well as in the simulation results. Spectral analysis of the current results shows that the M-2 internal tide is dominant in the northern Yellow Sea. Analysis of the major M-2 internal tide energetics demonstrated a complex spatial pattern. The tidal mixing front along the Korean coast and on the northern shelf provided proper conditions for the generation and propagation of the internal tides. Near the Changshan islands, the M-2 internal tide is mainly generated near the local topography anomalies with relatively strong current magnitude, equal to about 30% of the barotropic component, thus modifying the local current field. These local internal tides are short-lived phenomena rapidly being dissipated along the propagation pathway, restricting their influence within a few kilometers around the islands.
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