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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

SEISMOLOGICAL LABORATORY CALIFORNIA INSTITUTE OF TECHNOLOGYDIVISION OF GEOLOGICAL SCIENCES, PASADENA, CALIFORNIA
DEPARTMENT OF GEOLOGICAL SCIENCES BROWN UNIVERSITY, PROVIDENCE, RHODE ISLAND

Abstract

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.

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