Statistical properties of high-frequency internal waves in Qingdao offshore area of the Yellow Sea

Internal waves in shallow-water cause variations in sound speed profiles and lead to acoustic travel-time perturbations. In summer 2007, a combined acoustics/physical oceanography experiment was performed to study both the acoustical properties and the ocean dynamics of the Yellow Sea. The internal waves were recorded by the thermistor arrays. The receiving hydrophone array is enabled to monitor the acoustic travel-time fluctuations over the internal wave activities. It is shown that the activity of high frequency internal waves (having 3–6 min period) dominated the travel time perturbation. In this paper, we compare the data of high frequency internal wave with acoustic travel-time perturbation data and analyze the correlation between them. A simple relation between the modal travel-time perturbation and the displacement of the thermocline is developed which might be useful for monitoring purposes.

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Simulation of Acoustic-Energy Frequency Response Caused by Internal Waves in the Yellow Sea

10.1109/coa50123.2021.9519881 ◽

2021 ◽

Author(s):

Zhen Wang ◽

Tao Hu ◽

Shengming Guo ◽

Li Ma

Keyword(s):

Frequency Response ◽

Internal Waves ◽

Yellow Sea ◽

Acoustic Energy ◽

The Yellow Sea

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The influence of internal waves on signal fluctuation in the Yellow Sea

The Journal of the Acoustical Society of America ◽

10.1121/1.424781 ◽

1999 ◽

Vol 105 (2) ◽

pp. 1311-1311 ◽

Cited By ~ 2

Author(s):

Zhenge Sun ◽

Renhe Zhang ◽

Jin Yan

Keyword(s):

Internal Waves ◽

Yellow Sea ◽

The Yellow Sea ◽

Signal Fluctuation

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Exceedance frequency of appearance of the extreme internal waves in the World Ocean

Nonlinear Processes in Geophysics ◽

10.5194/npg-25-511-2018 ◽

2018 ◽

Vol 25 (3) ◽

pp. 511-519 ◽

Cited By ~ 3

Author(s):

Tatyana Talipova ◽

Efim Pelinovsky ◽

Oxana Kurkina ◽

Ayrat Giniyatullin ◽

Andrey Kurkin

Keyword(s):

Internal Waves ◽

Yellow Sea ◽

World Ocean ◽

The Yellow Sea ◽

Exceedance Probability ◽

Extreme Statistics ◽

Statistical Estimates ◽

Northwestern Shelf ◽

The World ◽

Egyptian Coast

Abstract. Statistical estimates of internal waves in different regions of the World Ocean are discussed. It is found that the observed exceedance probability of large-amplitude internal waves in most cases can be described by the Poisson law, which is one of the typical laws of extreme statistics. Detailed analysis of the statistical properties of internal waves in several regions of the World Ocean has been performed: tropical part of the Atlantic Ocean, northwestern shelf of Australia, the Mediterranean Sea near the Egyptian coast, and the Yellow Sea.

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