Temporal coherence of broadband acoustic signals in the presence of internal waves in shallow water

1999 ◽  
Vol 105 (2) ◽  
pp. 1311-1311
Author(s):  
T. C. Yang ◽  
K. Yoo
Keyword(s):  
Shallow Water ◽  
Internal Waves ◽  
Acoustic Signals ◽  
Temporal Coherence

A multi-layer model for nonlinear internal wave propagation in shallow water

2012 ◽  
Vol 695 ◽  
pp. 341-365 ◽  
Author(s):  
Philip L.-F. Liu ◽  
Xiaoming Wang
Keyword(s):  
Wave Propagation ◽  
Internal Wave ◽  
Shallow Water ◽  
Internal Waves ◽  
Bottom Topography ◽  
Laboratory Data ◽  
Constant Density ◽  
Layer Model ◽  
Fluid System ◽  
Nonlinear Internal Wave

AbstractIn this paper, a multi-layer model is developed for the purpose of studying nonlinear internal wave propagation in shallow water. The methodology employed in constructing the multi-layer model is similar to that used in deriving Boussinesq-type equations for surface gravity waves. It can also be viewed as an extension of the two-layer model developed by Choi & Camassa. The multi-layer model approximates the continuous density stratification by an $N$-layer fluid system in which a constant density is assumed in each layer. This allows the model to investigate higher-mode internal waves. Furthermore, the model is capable of simulating large-amplitude internal waves up to the breaking point. However, the model is limited by the assumption that the total water depth is shallow in comparison with the wavelength of interest. Furthermore, the vertical vorticity must vanish, while the horizontal vorticity components are weak. Numerical examples for strongly nonlinear waves are compared with laboratory data and other numerical studies in a two-layer fluid system. Good agreement is observed. The generation and propagation of mode-1 and mode-2 internal waves and their interactions with bottom topography are also investigated.

Application of finite‐element models to backscatter from shallow water internal waves

1992 ◽  
Vol 92 (4) ◽  
pp. 2467-2467
Author(s):  
Stanley A. Chin‐Bing ◽  
David B. King ◽  
Joseph E. Murphy ◽  
Gongqin Li
Keyword(s):  
Finite Element ◽  
Shallow Water ◽  
Internal Waves ◽  
Finite Element Models

Simulation of Internal Waves in the Strait of Gibraltar Using a Two-layer Shallow-water Model

2003 ◽  
pp. 529-534
Author(s):  
M. J. Castro ◽  
J. A. García-Rodríguez ◽  
J. M. González-Vida ◽  
J. Macías ◽  
C. Parés ◽  
...  
Keyword(s):  
Shallow Water ◽  
Internal Waves ◽  
Water Model ◽  
Shallow Water Model ◽  
Strait Of Gibraltar

scholarly journals Passive Time Reversal Acoustic Communications Through Shallow-Water Internal Waves

2010 ◽  
Vol 35 (4) ◽  
pp. 756-765 ◽  
Author(s):  
Aijun Song ◽  
Mohsen Badiey ◽  
Arthur E. Newhall ◽  
James F. Lynch ◽  
Harry A. DeFerrari ◽  
...  
Keyword(s):  
Shallow Water ◽  
Internal Waves ◽  
Time Reversal ◽  
Acoustic Communications

Sound intensity variations in the presence of shallow‐water internal waves passing through acoustic track

2008 ◽  
Vol 123 (5) ◽  
pp. 3587-3587
Author(s):  
Jing Luo ◽  
Mohsen Badiey ◽  
Entin A. Karjadi ◽  
Boris Katsnelson ◽  
Alexander Tshoidze ◽  
...  
Keyword(s):  
Shallow Water ◽  
Internal Waves ◽  
Sound Intensity
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