Attenuation Tomography of the Earth's Mantle: A Review of Current Status |
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| Authors: | B Romanowicz |
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| Institution: | Seismological Laboratory and Department of Geology and Geophysics, University of California at Berkeley, Berkeley, CA 94720, U.S.A. E-mail: barbara@seismo.berkeley.edu, Tel.: (510) 643 56 90, US
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| Abstract: | —Resolving the lateral variations of attenuation in the deep mantle by tomographic methods holds potential for constraining its thermal structure and dynamics. It is a challenging subject which has been addressed by only a few studies until now. We here review the main motivations behind pursuing this challenge, the difficult issues involved in separating effects of anelastic attenuation from scattering and focusing due to propagation in 3-D elastic structure and finally discuss the current status of global attenuation tomography. |
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