Adjoint Tomography of the Southern California Crust-Reference-Cited by-同舟云学术

Adjoint Tomography of the Southern California Crust

Published:2009-08-21 Issue:5943 Volume:325 Page:988-992
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Tape Carl¹,Liu Qinya²,Maggi Alessia³,Tromp Jeroen⁴

Affiliation:

1. Seismological Laboratory, California Institute of Technology, Pasadena, CA 91125, USA.

2. Department of Physics, University of Toronto, Ontario M5S 1A7, Canada.

3. Institut de Physique du Globe, Université de Strasbourg, 67084 Strasbourg, France.

4. Department of Geosciences and Program in Applied and Computational Mathematics, Princeton University, Princeton, NJ 08544, USA.

Abstract

Crustal Details Revealed In seismic tomography, a large collection of data representing paths through Earth are inverted to provide an analysis of variation of density in which errors are minimized. Typically, the inversion starts with a simple layered model of the tomographic region. Tape et al. (p. 988 ) show how, starting with a three-dimensional model, based on synthetic seismograms, an improved iterative inversion approach can lead to a much more detailed view of a region. Using the rich data for Southern California, the model reveals details of the geologic history of the crust in this region.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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