4.6 Article

Finite-frequency sensitivity kernels for boundary topography perturbations

Journal

GEOPHYSICAL JOURNAL INTERNATIONAL
Volume 162, Issue 2, Pages 525-540

Publisher

BLACKWELL PUBLISHING
DOI: 10.1111/j.1365-246X.2005.02682.x

Keywords

body waves; Frechet derivatives; mantle discontinuities; perturbation methods; topography; traveltime

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We use the Born approximation in conjunction with body-wave ray theory to derive a readily computable Frechet sensitivity kernel, relating a finite-frequency, seismic traveltime residual delta T to a perturbation delta d in the location of a discontinuity within the Earth.

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