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Inversion for range-dependent water column sound speed profiles on the New Jersey shelf using a linearized
Megan S Ballard1, Kyle M Becker
1Applied Research Laboratories, University of Texas at Austin, Texas 78758, USA. meganb@arlut.utexas.edu
The Journal of the Acoustical Society of America
|June 17, 2010
Summary
This study estimates underwater sound speed profiles in New Jersey
Area of Science:
- Oceanography
- Acoustics
- Geophysics
Background:
- The New Jersey shelf experiences variable water properties due to continental slope intrusions.
- These variations impact sound speed profiles and shallow water acoustic propagation.
Purpose of the Study:
- To develop a method for estimating range-dependent sound speed profiles.
- To improve acoustic propagation modeling in dynamic shallow water environments.
Main Methods:
- Linearized perturbative inverse technique using horizontal wave numbers.
- Application of approximate equality constraints to stabilize solutions.
Main Results:
- The technique estimates range-dependent sound speed profiles.
- Constraints mitigate solution deviations caused by data insensitivity.
Conclusions:
- The method provides a viable approach for characterizing shallow water sound speed.
- Constrained inverse techniques enhance the reliability of acoustic environmental estimations.
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