publication . Article . Other literature type . Part of book or chapter of book . 2001

A Fast and Reliable Method for Surface Wave Tomography

Anatoli L. Levshin; Michael H. Ritzwoller; M. P. Barmin;
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  • Published: 01 Aug 2001 Journal: Pure and Applied Geophysics, volume 158, pages 1,351-1,375 (issn: 0033-4533, Copyright policy)
  • Publisher: Springer Science and Business Media LLC
Abstract
— We describe a method to invert regional or global scale surface-wave group or phase-velocity measurements to estimate 2-D models of the distribution and strength of isotropic and azimuthally anisotropic velocity variations. Such maps have at least two purposes in monitoring the nuclear Comprehensive Test-Ban Treaty (CTBT): (1) They can be used as data to estimate the shear velocity of the crust and uppermost mantle and topography on internal interfaces which are important in event location, and (2) they can be used to estimate surface-wave travel-time correction surfaces to be used in phase-matched filters designed to extract low signal-to-noise surface-wave p...
Subjects
free text keywords: Optics, business.industry, business, Regularization (mathematics), Smoothing, Triangulation (social science), Amplitude, Phase velocity, Group velocity, Bruit, medicine.symptom, medicine, Shear velocity, Geology, Algorithm
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Part of book or chapter of book . 2011
Provider: Crossref
http://dx.doi.org/10.1007/978-...
Other literature type . 2001
Provider: Datacite
http://dx.doi.org/10.1007/pl00...
Other literature type . 2001
Provider: Datacite
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