Geoacoustic inversion on the New Jersey Margin: Along and across the shelf | Zendy

Megan S. Ballard | Zendy; Kyle M. Becker | Zendy

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Geoacoustic inversion on the New Jersey Margin: Along and across the shelf

Author(s) -

Megan S. Ballard,

Kyle M. Becker

Publication year - 2008

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.2963095

Subject(s) - inversion (geology) , a priori and a posteriori , layering , geology , modal , waves and shallow water , eigenvalues and eigenvectors , inverse problem , inverse , regularization (linguistics) , algorithm , geodesy , computer science , seismology , geometry , mathematics , oceanography , mathematical analysis , artificial intelligence , philosophy , chemistry , botany , physics , epistemology , quantum mechanics , biology , polymer chemistry , tectonics

This paper presents results of a range-independent perturbative inverse approach applied to data from the Shallow Water Experiment 2006. The inversion technique is based on a linearized relationship between sound speed in the sediment and modal eigenvalues. Horizontal wave numbers were estimated from data collected from two distinct source/receiver tracks oriented along and across the shelf. The specific inversion algorithm used is based on qualitative regularization and uses known information about the environment to constrain the solution. Locations of the R reflector and other layering information are used as a priori information for the inversion to emphasize the layered structure of the sediment.

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