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The application of coupled-mode theory to propagation in shallow water with randomly varying sound speed

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Abstract
Sound propagation in the Baltic Sea cannot be described correctly by range independent propagation
 
models, even for areas with more or less constant water depths. The reason is the inability of such
 
models to take account of the effect of forward scattering of sound produced by horizontal variations
 
in the speed of the sound. Schneider and Sellschopp have simulated the forward-scattering effect by
 
applying a parabolic equation method in conjunction with a Monte Carlo ray tracing program (MOCASSIN). This paper treats forward scattering in the normal mode concept, using the mode coupling formulation given by S.T. McDaniel. The mode coupling was added to the SUPERSNAP normal-mode code. Comparisons are made with the Schneider-Sellschopp calculations and with real data.
 

URI
http://hdl.handle.net/20.500.12489/166

Report Number
SM-199

Collections
  • Technical Reports

Date
1987/06

Author(s)
Thiele, Rolf

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SM-199-UU.pdf (1.488Mb)

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