Tomographic reconstruction of velocity anomalies

Creators: Fawcett, John A.; Clayton, Robert W.

Abstract

An approximate inversion formula is proposed for the reconstruction of slowness anomalies in a known depth varying background field. The data are observed travel-time perturbations for reflections from a known planar reflector. The limitations of the formula are discussed and numerical examples are given.

Additional Information

© 1984 Seismological Society of America. Manuscript received 1 March 1984. This paper is based upon a chapter of the first author's Ph.D. Thesis at the California Institute of Technology. This chapter was written under the supervision of the second author and Professor H. B. Keller, whom we would like to thank for his suggestions and encouragement. We would also like to thank Professor J. B. Keller at Stanford for his helpful critiques of earlier versions of this paper. The first author (J. F.) was supported financially at the California Institute of Technology by the U.S. Department of Energy and the Natural Sciences and Engineering Research Council of Canada. At Stanford, financial support for this research was provided by the Air Force Office of Scientific Research, the Army Research Office, the Office of Naval Research, and the National Science Foundation.

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