Observations of internal tides off the coast of Shandong Peninsula, China

Wang, Zhiwen; Li, Qiang; Wang, Chenghao; Qi, Fukang; Duan, Haiqin; Xu, Jingping

doi:10.1016/j.ecss.2020.106944

Cited by 7 publications

(1 citation statement)

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“…Guo and Hu (2010) reported the observed regular oscillation of the isotherms at the semi-diurnal frequency off the Qingdao coast, which is originated from the M 2 internal tide. Wang et al (2020) identified the mode-1, semi-diurnal internal tides with moored current profiler and temperature/conductivity sensors off the coast of Shandong Peninsula and concluded with a significant internal tidal induced cross-shore advection of the coastal mass transport. However, knowledge and data regarding the internal tides on the northern shelf of the Yellow Sea can barely be found.…”

Section: Introductionmentioning

confidence: 99%

Summertime M2 Internal Tides in the Northern Yellow Sea

2021

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The summertime M2 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 M2 internal tide is dominant in the northern Yellow Sea. Analysis of the major M2 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 M2 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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Section: Introductionmentioning

confidence: 99%