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Bulletin of the Seismological Society of America; October 1971; v. 61; no. 5; p. 1267-1274
© 1971 Seismological Society of America
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On the computation of seismic ray travel times and amplitudes

C. H. CHAPMAN

INSTITUTE OF EARTH AND PLANETARY PHYSICS DEPARTMENT OF PHYSICS UNIVERSITY OF ALBERTA, EDMONTON, ALBERTA, Canada

Abstract

The usual methods of interpolating velocity-depth profiles cause discontinuities in the velocity gradient and anomalous geometrical ray amplitudes. Numerical methods are presented for interpolating a velocity profile and evaluating the ray integrals which avoid these difficulties. They allow smooth amplitude curves to be calculated directly. An example is given for the Herrin P velocity profile.




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M. E. ODEGARD and G. J. FRYER
Intensities and travel times of seismic rays in a sphere with a linear velocity function
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A. G. GREEN
Ray paths and relative intensities in one- and two-dimensional velocity models
Bulletin of the Seismological Society of America, October 1, 1976; 66(5): 1581 - 1607.
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G. G. R. BUCHBINDER and G. POUPINET
Problems related to PcP and the core-mantle boundary illustrated by two nuclear events
Bulletin of the Seismological Society of America, December 1, 1973; 63(6-1): 2047 - 2070.
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M. SHIMSHONI
Remarks on the paper by C. H. Chapman, "On the computation of seismic ray travel times and amplitudes"
Bulletin of the Seismological Society of America, June 1, 1972; 62(3): 865 - 866.
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C. H. CHAPMAN
Reply
Bulletin of the Seismological Society of America, June 1, 1972; 62(3): 867 - 867.
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