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Seismic, satellite, and site observations of internal solitary waves in the NE SouthChina Sea
Tang, Q.; Wang, C.; Wang , D.; Pawlowicz, R. (2014). Seismic, satellite, and site observations of internal solitary waves in the NE SouthChina Sea. NPG Scientific Reports 4(5374): 5. hdl.handle.net/10.1038/srep05374
In: Scientific Reports (Nature Publishing Group). Nature Publishing Group: London. ISSN 2045-2322, more
Peer reviewed article  

Available in Authors 

Keyword
    Marine

Authors  Top 
  • Tang, Q.
  • Wang, C.
  • Wang , D.
  • Pawlowicz, R.

Abstract
    Internal solitary waves (ISWs) in the NE South China Sea (SCS) are tidally generated at the Luzon Strait. Their propagation, evolution, and dissipation processes involve numerous issues still poorly understood. Here, a novel method of seismic oceanography capable of capturing oceanic finescale structures is used to study ISWs in the slope region of the NE SCS. Near-simultaneous observations of two ISWs were acquired using seismic and satellite imaging, and water column measurements. The vertical and horizontal length scales of the seismic observed ISWs are around 50 m and 1–2 km, respectively. Wave phase speeds calculated from seismic observations, satellite images, and water column data are consistent with each other. Observed waveforms and vertical velocities also correspond well with those estimated using KdV theory. These results suggest that the seismic method, a new option to oceanographers, can be further applied to resolve other important issues related to ISWs.

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