The three-dimensional shear velocity structure of the mantle from the inversion of body, surface and higher-mode waveforms

Geophysical Journal International

Volumn 143, Issue 3, 2000, Pages 709-728

  Megnin, C ^a   Romanowicz, B ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Inversion; Mantle; Mode coupling; Seismic structure; Tomography; Waveform analysis

Indexed keywords

MANTLE STRUCTURE; SEISMIC VELOCITY; VELOCITY STRUCTURE; WAVEFORM ANALYSIS;

EID: 0034536477     PISSN: 0956540X     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-246X.2000.00298.x     Document Type: Article

References (66)

1. Closing the gap between regional and global traveltime tomography
2. Test of tomographic models of D″ using differential travel time data
3. Time scales and heterogeneous structure in geodynamic earth models
4. Seismic structure of the deep kurile subduction zone
5. A radial model of anelasticity consistent with long period surface wave attenuation
6. Preliminary reference earth model
7. Large scale heterogeneities in the lower mantle
8. Global teleseismic earthquake relocation with improved travel times and procedures for depth determination
9. Data announcement, 88-mgg-02, digital relief of the surface of the earth
10. Mapping the Tonga slab
11. Subducting slabs stagnant in the mantle transition zone
12. Mantle shear structure beneath the Americas and surrounding oceans
13. Global seismic tomography: A snapshot of convection in the earth
14. Shear velocity of the mantle and discontinuities in the pattern of lateral heterogeneities
15. The vis5d system for easy interactive visualization
16. The use of a priori data to resolve non-uniqueness in linear inversion
17. Comparisons between seismic earth structures and mantle flow models based on radial correlation functions
18. Compositional stratification in the deep mantle
19. Comparison of global waveform inversions with and without considering cross-branch modal coupling
20. Global mantle shear-velocity model developed using nonlinear asymptotic coupling theory
21. Waveforms of long-period body waves in a slightly aspherical earth model
22. Lowermost mantle shear wave velocity structure
23. Global analysis of shear wave velocity anomalies in the lower-most mantle
24. Surface wave mode coupling for efficient forward modelling and inversion of body-wave phases
25. A shear-velocity model of the mantle
26. The effects of the theoretical formalism and data selection on mantle models derived from waveform tomography
27. A comparison between tomographic and geodynamic models of the earth's mantle
28. Imaging 3-D spherical convection models: What can seismic tomography tell us about mantle dynamics?
29. Seismological studies at Parkfield. I. Simultaneous inversion for velocity structure and hypocenters using b-splines parametrization
30. Measurements of mantle wave velocities and inversion for lateral heterogeneities and anisotropy
31. Structure of axisymmetric mantle plumes
32. Asymptotic coupled mode expressions for multiplet amplitude anomalies and frequency shifts on an aspherical earth
33. A degree 8 mantle shear velocity model from normal mode observations below 3 mHz
34. Evidence for strong shear velocity reductions and velocity gradients in the lower mantle beneath africa
35. Multiplet-multiplet coupling due to lateral heterogeneity: Asymptotic effects on the amplitude and frequency of earth's normal modes
36. Hotspots and mantle plumes: Some phenomenology
37. Advection of plumes in mantle flow: Implications for hotspot motion, mantle viscosity and plume distribution
38. An inverse technique for retrieving higher mode phase velocity and mantle structure
39. Tomography of the transition zone from the inversion of higher mode surface waves
40. Global tomographic inversion using b-splines
41. Degree 12 model of shear velocity in the mantle
42. Variation of transition zone high-velocity anomalies and depression of 660 km discontinuity associated with subduction zones from the southern Kuriles to Izu-Bonin and Ryukyu
43. Evaluation of slab images in the northwestern Pacific
44. Seismic surface waves
45. A simple derivation of the formula to calculate synthetic long-period seismograms in a heterogeneous earth by normal mode summation
46. The three-dimensional shear wave structure in the mantle by overtone waveform inversion-I. Radial seismogram inversion
47. Generalized non-linear inverse problems solved using the least-squares criterion
48. Complex morphology of subducted lithosphere in the mantle beneath the tonga trench
49. Compositional heterogeneity in the bottom 1000 kilometers of the mantle: Toward a hybrid convection model
50. Effects of relative plate motion on the deep structure and penetration depth of slabs below the Izu-Bonin and Mariana arcs
51. Tomographic imaging of subducted lithosphere below northwest Pacific island arcs
52. Evidence of deep mantle circulation from global tomography
53. Upper mantle s velocity structure of North America
54. Measuring surface wave overtone phase velocities using a mode branch stripping technique
55. Global high-resolution phase velocity distributions of overtone and fundamental-mode surface waves determined by mode branch stripping
56. Whole earth structure estimated from seismic arrival times
57. Robust inversion of iasp91 travel time residuals for mantle P and S velocity structure, earthquake mislocations and station corrections
58. Spherical spline parametrization of three-dimensional earth models
59. Global and regional surface-wave inversions; a spherical-spline parameterization
60. The proximity of hotspots to convergent and divergent plate boundaries
61. New version of the generic mapping tool released
62. The joint inversion of seismic waveforms for lateral variations in earth structure and earthquake source parameters
63. Mapping the upper mantle: Three dimensional modeling of earth's structure by inversion of seismic waveforms