Models of the mantle shear velocity and discontinuities in the pattern of lateral heterogeneities

Journal of Geophysical Research: Solid Earth

Volumn 106, Issue B6, 2001, Pages 11169-11199

  Gu, Yu J ^a   Dziewonski, Adam M ^a   Su, Weijia ^a   Ekström, Göran ^a  

^a HARVARD UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

MANTLE DISCONTINUITY; MANTLE STRUCTURE; SEISMIC VELOCITY; SUBDUCTION ZONE;

EID: 0034941518     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/2001jb000340     Document Type: Article

References (81)

1. Bijwaard, H., W. Spakman, and R. E. Engdahl, Closing the gap between regional and global travel time tomography, J. Geophys. Res., 103, 30,055-30,078, 1998.
2. Bunge, H. P., R. M. Richards, and J. R. Baumgardner, Effect of depth-dependent viscosity on the planform of mantle convection, Nature, 379, 436-438, 1996.
3. Collerson, K. D., S. Hapugoda, B. S. Kamber, and Q. Williams, Rocks from the mantle transition zone: Majorite bearing xenoliths from Malaita, southwest Pacific, Science, 288, 1215-1223, 2000.
4. Davaille, A., Simultaneous generation of hotspots and superswells by convection in a heterogeneous planetary mantle, Nature, 402, 756-760, 1999.
5. de Boor, C., A Practical Guide to Splines, Springer-Verlag, New York, 1978.
6. Durek, J. J., G. Ekström, and S. Tsuboi, Effect of anelastic heterogeneity on measurements of fundamental mode attenuation, Eos Trans. AGU, 74(43), Fall Meet. Suppl., 439, 1993.
7. Dziewonski, A. M., Mapping the lower mantle: Determination of lateral heterogeneity in P velocity up to degree and order 6, J. Geophys. Res., 89, 5929-5952, 1984.
8. Dziewonski, A. M., and D. L. Anderson, Preliminary reference Earth model, Phys. Earth Planet. Inter., 25, 297-356, 1981.
9. Dziewonski, A. M., and W.-J. Su, Negative velocity anomalies from mid-ocean ridges to CMB, Eos Trans. AGU, 74(43), Fall Meet. Suppl., 76, 1993.
10. Dziewonski, A. M., W.-J. Su, and R. L. Woodward, Grand structures of the Earth's Interior, Eos Trans. AGU, 72(44), Fall Meet. Suppl., 451, 1991.
11. Dziewonski, A. M., A. M. Forte, W.-J. Su, and R. L. Woodward, Seismic tomography and geodynamics, in Relating Geophysical Structures and Process: The Jeffreys Volume, Geophys. Monogr. Ser., vol.76, edited by K. Aki and R. Dmowska, pp.67-105, AGU, Washington, D.C., 1993.
12. Ekström, G., and A. M. Dziewonski, The unique anisotropy of the Pacific upper mantle, Nature, 394, 168-172, 1998.
13. Ekström, G., A. M. Dziewonski, and J. Ibanez, Deep earthquakes outside slabs, Eos Trans. AGU, 71(43), 1462, 1990.
14. Ekström, G., J. Tromp, and E. W. F. Larson, Measurements and global models of surface wave propagation, J. Geophys. Res., 102, 8137-8157, 1997.
15. Flanagan, M. P., and P. M. Shearer, Global mapping of topography on transition zone velocity discontinuities by stacking SS precursors, J. Geophys. Res., 103, 2673-2692, 1998.
16. Forte, A. M., and R. L. Woodward, Joint seismic and geodynamic constraints on large-scale vertical flow across the 670 km seismic discontinuity, paper presented at Fourth SEDI Symposium, Can. Geophys. Union, Whistler Mountain, BC, Canada, Aug., 1994.
17. Forte, A. M., and R. L. Woodward, Seismic-geodynamic constraints on three-dimensional structure, vertical flow, and heat transfer in the mantle, J. Geophys. Res., 102, 17,981-17,994, 1997.
18. Forte, A. M., A. M. Dziewonski, and R. L. Woodward, Aspherical structure of the mantle, tectonic plate motions, nonhydrostatic geoid and topography of the core-mantle boundary, in Dynamics of the Earth's Deep Interior and Earth Rotation, Geophys. Monogr. Ser., vol.72, edited by J.-L Le Mouël, pp.135-166, AGU, Washington, D.C., 1993.
19. Fukao, Y., M. Obayashi, H. Inoue, and M. Nenbai, Subducting slabs stagnant in the mantle transition zone, J. Geophys. Res., 97, 4809-4822, 1992.
20. Giardini, D., and J. H. Woodhouse, Deep seismicity and modes of deformation in Tonga subduction zone, Nature, 307, 505-509, 1984.
21. Gossler, J., and R. Kind, Seismic evidence for very deep roots of continents, Earth Planet. Sci. Lett., 138, 1-13, 1996.
22. Grand, S. P., R. D. van der Hilst, and S. Widiyantoro, Global seismic tomography: a snapshot of convection in the Earth, GSA Today, 7, 1-7, 1997.
23. Gu, Y., A. M. Dziewonski, and C. B. Agee, Global decorrelation of the topography of transition zone discontinuities, Earth Planet. Sci. Lett., 157, 57-67, 1998.
24. Gu, Y., A. M. Dziewonski, and G. Ekström, Radial anisotropy of the upper mantle from waveform and travel time inversions, Eos Trans. AGU, 80(17), Spring Meet. Suppl., S221, 1999.
25. Ho-Liu, P. H. Y., J.-P, Montagner, and H. Kanamori, Comparison of iterative back-projection inversion and generalized inversion without blocks; case studies in attenuation tomography, Geophys. J. R. Astron. Soc., 97, 19-29, 1989.
26. Isacks, B., and P. Molnar, Distribution of stresses in the descending lithosphere from a global survey of focal mechanism solutions of mantle earthquakes, Rev. Geophys., 9, 103-174, 1971.
27. Jordan, T. H., P. Puster, G. A. Glatzmaier, and P. J. Tackley, Comparison between seismic Earth structures and mantle flow models based on radial correlation functions, Science, 261, 1427-1431, 1993.
28. Kawakatsu, H., and F. Niu, Seismic evidence for a 920-km discontinuity in the mantle, Nature, 371, 301-305, 1994.
29. Kawakatsu, H., and F. Niu, Depth variation of the "920-km discontinuity" in the mid-mantle, Ann. Geophys., 14, 1-43, 1996.
30. Kellogg, L. H., B. H. Hager, and R. D. van der Hilst, Compositional stratification in the deep mantle, Science, 283, 1881-1884, 1999.
31. Lancaster, P., and K. Salkauskas, Curve and Surface Fitting, Academic, San Diego, Calif., 1990.
32. Li, X.-D., and B. Romanowicz, Comparison of global waveform inversions with and without considering cross-branch model coupling, Geophys. J. Int., 121, 695-709, 1995.
33. Li, X.-D., and B. Romanowicz, Global mantle shear velocity model developed using nonlinear asymptotic coupling theory, J. Geophys. Res., 101, 22,245-22,272, 1996.
34. Liu, X.-F., The three-dimensional shear-wave velocity structure of the Earth's lower mantle, thesis, 202 pp., Harvard Univ., Cambridge, Mass., 1997.
35. Liu, X.-F., and A.M. Dziewonski, Global analysis of shear wave velocity anomalies in the lowermost mantle, in Core-Mantle Boundary, Geophys. Monogr. Ser., vol.28, edited by M. Gurnis, pp.21-36, AGU, Washington, D.C., 1998.
36. Machetel, P., and P. Weber, Intermittent layered convection in a model mantle with an endothermic phase change at 670 km, Nature, 350, 55-57, 1991.
37. Masters, G., T. H. Jordan, P. G. Silver, and F. Gilbert, Aspherical Earth structure from fundmental spheroidal-mode data, Nature, 298, 609-613, 1982.
38. Masters, G., H. Bolton, and P. Shearer, Large-scale 3-dimensional structure of the mantle, Eos Trans. AGU, 72(14), Spring Meet. Suppl., 201, 1992.
39. Masters, G., S. Johnson, G. Laske, and H. Bolton, A shear- velocity model of the mantle, Philos. Trans. R. Soc. London, 354, 1385-1411, 1996.
40. Masters, G., G. Laske, A. Dziewonski, and L. Boschi, Towards a spherical reference Earth model, Eos Trans. AGU, 80(46), Fall Meet. Suppl. F27, 1999.
41. McNutt, M., The mantle's lava lamp, Nature, 402, 739-740, 1999.
42. Mégnin, C., and B. Romanowicz, The 3D shear velocity structure of the mantle from the inversion of body, surface, and higher mode waveforms, Geophys. J. Int., in press, 2001.
43. Montagner, J.-P., Regional three-dimensional structures using long-period surface waves, Ann. Geofis., 4, 283-294, 1986.
44. Montagner, J.-P., and T. Tanimoto, Global anisotropy in the upper mantle inferred from the regionalization of phase velocities, J. Geophys. Res., 95, 4797-4819, 1990.
45. Montagner, J.-P., and T. Tanimoto, Global upper mantle tomography of seismic velocities and anisotropies, J. Geophys. Res., 96, 20,337-20,351, 1991.
46. Mooney, W., G. Laske, and G. Masters, A new global crustal model at 5 x 5 degrees: CRUST-5.1, J. Geophys. Res., 103, 727-747, 1998.
47. Peterson, N., J. Gossler, R. Kind, K. Stammler, and L. Vinnik, Precursors to SS and structure of the transition zone of the northwest Pacific, Geophys. Res. Lett., 20, 281-284, 1993.
48. Phipps Morgan, J., and P. M. Shearer, Seismic constraints on mantle flow and topography of the 660-km discontinuity, evidence for whole mantle convection, Nature, 365, 506-511, 1993.
49. Revenaugh, J., and T. H. Jordan, A study of mantle layering beneath the western Pacific, J. Geophys. Res., 94, 5787-5813, 1989.
50. Revenaugh, J., and T. H. Jordan, Mantle layering from ScS reverberation, 2, The transition zone, J. Geophys. Res., 96, 19,763-19,780, 1991.
51. Ricard, Y., M. Richards, G. Lithgow-Bertelloni and Y. Le Stunff, A geodynamic model of mantle density heterogeneity, J. Geophys. Res., 98, 21,895-21,909, 1993.
52. Ringwood, A. E., Role of the transition zone and 660 km discontinuity in mantle dynamic, Phys. Earth Planet. Inter., 86, 5-24, 1994.
53. Ritsema, J., H. J. Van Heijst, and J. H. Woodhouse, Complex shear wave velocity structure imaged beneath Africa and Iceland, Science, 286, 1925-1928, 1999.
54. Shearer, P. M., Global mapping of upper mantle reflectors from long-period SS precursors, Geophys. J. Int., 115, 878-904, 1993.
55. Shearer, P. M., and T. G. Masters, Global mapping of topography on the 660-km discontinuity, Nature, 355, 791-796, 1992.
56. Su, W.-J., and A. M. Dziewonski, Predominance of long-wavelength heterogeneity in the mantle, Nature, 352, 121-126, 1991.
57. Su, W.-J., and A. M. Dziewonski, Simultaneous inversion for 3-D variations in shear and bulk velocity in the mantle, Phys. Earth Planet. Inter., 100, 135-156, 1997.
58. Su, W.-J., R. L. Woodward, and A. M. Dziewonski, Degree-12 model of shear velocity heterogeneity in the mantle, J. Geophys. Res., 99, 6945-6980, 1994.
59. Tackley, P. J., Mantle convection and plate tectonics: toward an integrated physical and chemical theory, Science, 288, 2002-2007, 2000.
60. Tackley, P. J., D. J. Stevenson, G. Glatzmaier, and G. Schubert, Effects of an endothermic phase transition at 670-km in a spherical model of convection in the Earth's mantle, Nature, 361, 699-704, 1993.
61. Tackley, P. J., D. J. Stevenson, G. A. Glatzmaier, and G. Schubert, Effects of multiple phase transitions in a 3-D spherical model of convection in the Earth's mantle, J. Geophys. Res., 99, 15,877-15,901, 1994.
62. Tanimoto, T., Long-wavelength S-wave velocity structure throughout the mantle, Geophys. J. Int., 100, 327-336, 1990.
63. Tarantola, A., and B. Valette, Generalized nonlinear inverse problems solved using the least squares criterion, Rev. Geophys., 20, 219-232, 1982.
64. Trefethen, L. N., and D. Bau, Numerical Linear Algebra, Soc. for Ind. and Appl. Math., Philadelphia, Penn., 1997.
65. van der Hilst, R., and H. Kárason, Compositional heterogeneity in the bottom 1000 kilometers of Earth's mantle: toward a hybrid convection model, Science, 283, 1885-1888, 1999.
66. van der Hilst, R., R. Engdahl, W. Spakman, and G. Nolet, Tomographic imaging of subducted lithosphere below northwest Pacific island arcs, Nature, 353, 37-43, 1991.
67. van der Hilst, R., S. Widiyantoro, and E. R. Engdahl, Evidence for deep mantle circulation from global tomography, Nature, 396, 578-584, 1997.
68. van der Voo, R., W. Spakman, and H. Bijwaard, Mesozoic subducted slab under Siberia, Nature, 397, 246-249, 1999.
69. Vidale, J. E., Geophysics; a mystery in the mantle, Nature, 372, 288, 1994.
70. Vinnik, L. P., R. A. Avetisjan, and N. G. Mikhailova, Heterogeneities in the mantle transition zone from observations of P-to-SV converted waves, Phys. Earth Planet. Inter., 33, 149-163, 1983.
71. Wang, Z., and F. A. Dahlen, Spherical-spline parameterization of three-dimensional Earth models, Geophys. Res. Lett., 22, 3099-3102, 1995.
72. Woodhouse, J. H., and A. M. Dziewonski, Mapping the upper mantle: Three dimensional modeling of earth structure by inversion of seismic waveforms, J. Geophys. Res., 89, 5953-5986, 1984.
73. Woodhouse, J. H., and A. M. Dziewonski, Three dimensional mantle models based on mantle wave and long period body wave data, Eos Trans. AGU, 67(16), 307, 1986.
74. Woodhouse, J. H., and A. M. Dziewonski, Seismic modeling of the Earth's large-scale three dimensional structure, Philos. Trans. R. Soc. London, 328, 291-308, 1989.
75. Woodward, R. L., and G. Masters, Global upper mantle structure from long-period differential travel-times, J. Geophys. Res., 96, 6351-6377, 1991a.
76. Woodward, R. L., and G. Masters, Lower-mantle structure from ScS - S differential travel-times, Nature, 352, 231-233, 1991b.
77. Woodward, R. L., A. M. Forte, W.-J. Su, and A. M. Dziewonski, Constraints on the large-scale structure of the Earth's mantle, in Chemical Evolution of the Earth and Planets, Geophys. Monogr. Ser., vol.74, edited by E. Takahashi, R. Jeanloz, and D. Rubie, pp.89-109, AGU, Washington, D.C., 1993.
78. Woodward, R. L., A. M. Dziewonski, and W. R. Peltier, Comparisons of seismic heterogeneity models and convective flow calculations, Geophys. Res. Lett., 21, 325-328, 1994.
79. Wysession, M. E., E. A. Okal and C. R. Bina, The structure of the core-mantle boundary from diffracted waves, J. Geophys. Res., 97, 8749-8764, 1992.
80. Zhang, Y.-S., and T. Tanimoto, High-resolution global upper mantle structure and plate tectonics, J. Geophys. Res., 98, 9793-9823, 1993.
81. Zhou, H.-W, and R. W. Clayton, P and S wave travel time inversions for subducting slab under the island arcs of the northwest Pacific, J. Geophys. Res., 95, 6829-6851, 1990.