On verification of the new criterion of adiabaticity by numerical simulation of acoustic propagation through the polar front |
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Authors: | Y Y Wang E C Shang |
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Institution: | CIRES, University of Colorado/ ETL/ NOAA, Boulder, CO 80303, USA |
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Abstract: | To assess the adiabaticity of acoustic propagation in the ocean is very important for acoustic field calculation (forward
problem) and tomographic retrieving (inverse problem). A new criterion of adiabaticity is proposed recently (Shang et al., 2001). In this paper, numerical simulation has been conducted for acoustic propagation through the Polar Front to verify
the new criterion. Numerical results on the f (frequency)-m (mode number) plan demonstrate that the new criterion works very well for this extremely non-gradual ocean structure. |
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Keywords: | Barents Polar Front acoustic propagation criterion of adiabaticity |
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