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Published October 1968 | Published
Journal Article Open

Universal dispersion tables II. Variational parameters for amplitudes, phase velocity and group velocity for first four Love modes for an oceanic and a continental earth model


The universal dispersion theory, presented in Part I, is extended to allow computation of group velocity and amplitude partial derivatives. Tables giving the effect of a change in any parameter on phase velocity, group velocity and amplitude are given for two earth models, one oceanic and one continental shield. Tables are given for the fundamental and first three higher Love modes. These tables make it possible to compute dispersion parameters for the first four Love modes for any realistic earth model or to invert observations to an earth model. Attenuation of Love waves for an arbitrary distribution of Q versus depth can also be computed by using techniques previously described.

Additional Information

© 1968 Seismological Society of America. Manuscript received November 13, 1967. Tbis research was supported by the Advanced Research Projects Agency and was monitored by the Air Force Office of Scientific Research under contracts AF-49(638)-1337 with the California Institute of Technology, and AF-49(638)-1693 with Brown University.

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