Acoustic Modeling of the Monterey Bay Tomography Experiment
Abstract
In December 1988, a tomographic signal transmission test was conducted in order to test the feasibility of tomographic analysis in a region of complex bathymetry. The transmission test was conducted in the Monterey Bay where the signals propagated from deep water to shallow, continental shelf water. In order to use the inverse techniques to infer the ocean processes affecting the acoustic propagation, the propagation paths of the tomographic signal between the transmitter and receivers must be determined. This thesis demonstrates that the forward problem of arrival path identification in the complex propagation environment of the Monterey Bay can be solved by using high resolution bottom bathymetry along with an appropriate sound speed profile as input to a three dimensional Hamiltonian raytracing program, HARPO. The eigenrays found using this technique matched the travel times and relative amplitudes of the measured multipath arrivals.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1990
- Accession Number
- ADA242658
Entities
People
- Donald F. Smith
Organizations
- Naval Postgraduate School