Importance of crustal corrections in the development of a new global model of radial anisotropy

MP Panning, V Lekić… - Journal of Geophysical …, 2010 - Wiley Online Library
Accurately inferring the radially anisotropic structure of the mantle using seismic waveforms
requires correcting for the effects of crustal structure on waveforms. Recent studies have …

An anisotropic shear velocity model of the Earth's mantle using normal modes, body waves, surface waves and long-period waveforms

P Moulik, G Ekström - Geophysical Journal International, 2014 - academic.oup.com
We use normal-mode splitting functions in addition to surface wave phase anomalies, body
wave traveltimes and long-period waveforms to construct a 3-D model of anisotropic shear …

Global radially anisotropic mantle structure from multiple datasets: a review, current challenges, and outlook

SJ Chang, AMG Ferreira, J Ritsema, HJ van Heijst… - Tectonophysics, 2014 - Elsevier
Since the 1960s seismologists have mapped anisotropy in the uppermost mantle, the mantle
transition zone, and the D ″region. When combined with constraints from mineral physics …

On the robustness of global radially anisotropic surface wave tomography

AMG Ferreira, JH Woodhouse, K Visser… - … Research: Solid Earth, 2010 - Wiley Online Library
A number of recent global tomographic studies have modeled three dimensional variations
in the parameters of radial anisotropy. As yet there is limited agreement among such studies …

Savani: A variable resolution whole‐mantle model of anisotropic shear velocity variations based on multiple data sets

L Auer, L Boschi, TW Becker… - Journal of …, 2014 - Wiley Online Library
We present a tomographic model of radially anisotropic shear velocity variations in the
Earth's mantle based on a new compilation of previously published data sets and a variable …

The signal of mantle anisotropy in the coupling of normal modes

C Beghein, J Resovsky… - Geophysical Journal …, 2008 - academic.oup.com
We investigate whether the coupling of normal mode (NM) multiplets can help us constrain
mantle anisotropy. We first derive explicit expressions of the generalized structure …

Radial anisotropy in seismic reference models of the mantle

C Beghein, J Trampert… - Journal of Geophysical …, 2006 - Wiley Online Library
Sambridge's Neighborhood Algorithm was applied to normal mode and surface wave phase
velocity data to determine the likelihood of radial anisotropy in mantle reference models …

Joint inversion for global isotropic and radially anisotropic mantle structure including crustal thickness perturbations

SJ Chang, AMG Ferreira, J Ritsema… - Journal of …, 2015 - Wiley Online Library
We present a new global whole‐mantle model of isotropic and radially anisotropic S velocity
structure (SGLOBE‐rani) based on~ 43,000,000 surface wave and~ 420,000 body wave …

Radially anisotropic shear velocity structure of the upper mantle globally and beneath North America

M Nettles, AM Dziewoński - Journal of Geophysical Research …, 2008 - Wiley Online Library
A surface wave dispersion data set of unprecedented size is used to obtain a variable‐
resolution model of the radially anisotropic shear wave velocity structure of the upper mantle …

Global anisotropic phase velocity maps for higher mode Love and Rayleigh waves

K Visser, J Trampert, BLN Kennett - Geophysical Journal …, 2008 - academic.oup.com
It is well established that the Earth's uppermost mantle is anisotropic, but there are no clear
observations of anisotropy in the deeper parts of the mantle. Surface waves are well suited …