BAO Xianwen, ZHANG Yijun, SUN Li, DU Tao, FANG Xinhua. The slanting property of semi-diurnal internal tide propagation in the Pacific Ocean at 1°45'S, 156°E[J]. Acta Oceanologica Sinica, 2006, (4): 143-145.
Citation: BAO Xianwen, ZHANG Yijun, SUN Li, DU Tao, FANG Xinhua. The slanting property of semi-diurnal internal tide propagation in the Pacific Ocean at 1°45'S, 156°E[J]. Acta Oceanologica Sinica, 2006, (4): 143-145.

The slanting property of semi-diurnal internal tide propagation in the Pacific Ocean at 1°45'S, 156°E

  • Received Date: 2005-12-23
  • Rev Recd Date: 2006-04-08
  • By analyzing a data set collected using a moored instrument array and CTD during TOGA-COARE, it is found that there exist remarkable internal tides in the western equatorial Pacific Ocean around 1°45'S, 156°E, whose horizontal wavenumber (wavelength), vertical wavenumber, h 156° orizontal propagation speed and vertical propagation speed are 3.3×10-2km-1 (210 km), -1.6×10-3m, 2.0 m/s and -3.8 cm/s, respectively, that is, the waveform propagates downwards slantingly. Moreover, the propagating direction rotates statistically clockwise as the depth increases and its cause is unclear.
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