The relative behavior of shear velocity, bulk sound speed, and compressional velocity in the mantle: Implications for chemical and thermal structure

Geophysical Monograph Series

Volumn 117, Issue , 2000, Pages 63-87

  Masters, Guy ^a   Laske, Gabi ^a   Bolton, Harold ^b   Dziewonski, Adam ^c  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b Albuquerque Seismological Laboratory   (United States)

^c HARVARD UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 85012960969     PISSN: 00658448     EISSN: 23288779     Source Type: Book Series    
DOI: 10.1029/GM117p0063     Document Type: Chapter

References (73)

1. p in the lower mantle, Geophys. Res. Lett, 17, 1149-1152, 1990.
2. Anderson, O.L., and D.G. Isaak, Elastic constants of mantle minerals at high temperature, in Mineral Physics and Crystallography, AGU Ref. Shelf #2, ed. T.J. Ahrens, pp.64-97, 1995.
3. Bijwaard, H., W. Spakman, and E.R. Engdahl, Closing the gap between regional and global travel time tomography, J. Geophys. Res., 103, 30,055-30,078, 1998.
4. Bolton, H., Long period travel times and the structure of the mantle, Ph.D. Thesis, U.C.S.D., La Jolla, California,, 1996.
5. Bolton, H., and G. Masters, Traveltimes of P and S from the Global Digital Seismic Networks; Implications for the Relative Variation of P and S Velocity in the Mantle, J. Geophys. Res., submitted, 1999.
6. Clayton, R.W., and R.P. Comer, A tomographic analysis of mantle heterogeneities from body wave travel time data, EOS Trans. AGU, 64, 776, 1983.
7. AB traveltimes, EOS Trans. AGU, 67, 311, 1986.
8. Dines, K., and J. Lytle, Computerized geophysical tomography, Proc. IEEE, 67, 1065-1073, 1979.
9. 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.
10. Dziewonski, A.M., and D.L. Anderson, Preliminary reference Earth model, Phys. Earth Planet. Inter., 25, 297-356, 1981.
11. Dziewonski, A.M., and D.L. Anderson, Travel times and station corrections for P-waves at teleseismic distances, J. Geophys. Res., 85,3295-3314, 1983.
12. Dziewonski, A.M., and J.H. Woodhouse, Global images of the Earth’s interior, Science, 236, 37-48, 1987.
13. Ekstrom, G., J. Tromp, and E.W. Larson, Measurements and models of global models of surface wave propagation, J. Geophys. Res., 102, 8137-8157, 1997.
14. Engdahl, E.R., R.D. van der Hilst, and R.P. Buland, Global teleseismic earthquake relocation with improved travel times and procedures for depth determination, Bull. Seis. Soc. Am., 88, 722-743, 1998.
15. Forte, A.M., and W.R. Peltier, Mantle convection and core-mantle boundary topography, J. Geophys. Res., 92, 3645-3679, 1987.
16. Giardini, D., X.-D. Li, and J.H. Woodhouse, Three-dimensional structure of the earth from splitting in free oscillation spectra, Nature, 325, 405-411, 1987.
17. Grand, S.P., Mantle shear structure beneath the Americas and surrounding oceans, Journ. Geophys. Res., 99, 11.591-11.621, 1994.
18. Gudmundsson, O., J.H. Davis, and R.W. Clayton, Stochastic analysis of global traveltime data: mantle heterogeneity and random errors in the ISC data, Geophys. J. Int., 102, 25-43, 1990.
19. He, X., and J. Tromp, Normal mode constraints on the structure of the Earth, J. Geophys. Res., 101, 20,053-20,082, 1996.
20. Inoue, H, Y. Fukao, K. Tanabe, and Y. Ogata, Whole mantle Pwave travel time tomography, Phys. Earth Planet. Inter., 59, 294-328, 1990.
21. Isaak, D.G., O.L. Anderson, and R.E. Cohen, The relationship between shear and compressional velocities at high pressures: reconciliation of seismic tomography and mineral physics, Geophys. Res. Lett., 19, 741-744, 1992.
22. Ishii, M., and J. Tromp, Normal mode and free-air gravity constraints on lateral variations in velocity and density of Earth’s mantle, Science, 285, 1231-1236, 1999.
23. Kanamori, H, and D.L. Anderson, Importance of physical dispersion in surface wave and free oscillations problems: review, Rev. Geophys. Space Phys., 15, 105-112, 1977.
24. Karato, S., Importance of anelasticity in the interpretation of seismic tomography, Geophys. Res. Lett, 20, 1623-1626, 1993.
25. Karato, S., B. Karki, and R. Wentzcovitch, Origin of seismic velocity heterogeneity in the mantle, EOS Trans AGU, 80, F939, 1999.
26. Kennett, B.L.N., and E.R. Engdahl, Traveltimes for global earthquake location and phase identification, Geophys. J. Int., 105, 429-465, 1991.
27. Kennett, B.L.N., E.R. Engdahl, and R. Buland, Constraints on seismic velocities in the Earth from travel times, Geophys. J. Int, 122, 108-124, 1995.
28. Kennett, B.L.N., S. Widiyantoro, and R.D. van der Hilst, Joint seismic tomography for bulk sound and shear wave speed in the Earth’s mantle, J. Geophys. Res., 103, 12,469-12,493, 1998.
29. Laske, G., and G. Masters, Constraints on global phase velocity maps by long-period polarization data, J. Geophys. Res., 101, 16,059-16,075, 1996.
30. Lay, T., Q. Williams, and E.J. Garnero, The core-mantle boundary layer and deep Earth dynamics, Nature, 392,461-468, 1998.
31. Li, X.-D., D. Giardini, and J.H. Woodhouse, The relative amplitudes of mantle heterogeneity in P-velocity, 5-velocity and density from free-oscillation data, Geophys. J. Int., 105,649-657,1991.
32. Li, X.-D., and B. Romanowicz, Comparison of global inversions with and without considering cross-branch modal 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. Masters, G., S. Johnson, G. Laske, and H. Bolton, A shear velocity model of the mantle, Phil. Trans. R. Soc. Lond., 354A, 1385-1411, 1996.
35. Masters, G., T.H. Jordan, RG. Silver, and F. Gilbert, Aspherical earth structure from fundamental spheroidal-mode data, Nature, 298, 609-613, 1982.
36. Masters, G., G. Laske, and F. Gilbert, Autoregressive estimation of the splitting matrix of free-oscillation multiplets, Geophys. J. Int., in press, 1999.
37. Montagner, J-R, and T. Tanimoto, Global anisotropy in the upper mantle inferred from the regionalization of phase velocities, J. Geophys. Res., 95, 4797-4819, 1990.
38. Mooney, W.D., G. Laske, and G. Masters, CRUST 5.1: A global crustal model at 5° X 5°, J. Geophys. Res., 103,727-747, 1998.
39. Morelli, A., A.M. Dziewonski, and J.H. Woodhouse, Anisotropy of the inner core inferred from PK1KP travel times, Geophys. Res. Lett., 13, 1545-1548, 1986.
40. Morelli, A., and A.M. Dziewonski, Topography of the core-mantle boundary and lateral homogeneity of the liquid core, Nature, 325, 678-683, 1987.
41. Morelli, A., and A.M. Dziewonski, Body wave traveltimes and a spherically symmetric P— and 5-wave velocity model, Geophys. J. Int., 112, 178-194, 1993.
42. Nolet, G., Seismic wave propagation and seismic tomography, in In: Nolet, G. (Editor), Seismic Tomography, D. Reidel Publishing Company, Dordrecht, pp. 1-23, 1987.
43. Pulliam, R.J., Imaging Earth’s interior: Tomographic inversions for mantle P-wave velocity structure, Ph.D Thesis, U.C. Berkeley, 1991.
44. 1 norms of International Seismological Centre travel time residuals, J. Geophys. Res., 98, 699-734, 1993.
45. Resovsky, J.S., and M.H. Ritzwoller, New and refined constraints on three-dimensional Earth structure from normal modes below 3mHz, J. Geophys. Res, 103, 783-810, 1998.
46. Resovsky, J.S., and M.H. Ritzwoller, Regularization uncertainty in density models estimated from normal mode data, Geophys. Res. Lett., 26, 2319-2322, 1999.
47. Ritzwoller, M., G. Masters, and F. Gilbert, Observations of anomalous splitting and their interpretation in terms of aspherical structure, J. Geophys. Res., 91, 10,203-10,228, 1986.
48. Ritzwoller, M., G. Masters, and F. Gilbert, Constraining aspherical structure with low frequency interaction coefficients: Application to uncoupled multiplets, J. Geophys. Res., 93, 6369-6396, 1988.
49. Robertson, G.S., and J.H. Woodhouse, Evidence for proportionality of P and S heterogeneity in the lower mantle, Geophys. J. Int., 123, 85-116, 1995.
50. Robertson, G.S., and J.H. Woodhouse, Ratio of relative S to P velocity heterogeneity in the lower mantle, J. Geophys. Res., 101, 20,041-20,052, 1996.
51. Shearer, RM., K.M. Toy, and J. A. Orcutt, Axi-symmetric earth models and inner core anisotropy, Nature, 333, 228-232, 1988.
52. Smith, M.F., and G. Masters, Aspherical structure constraints from free oscillation frequency and attenuation measurements, J. Geophys. Res., 94, 1953-1976, 1989.
53. Souriau, A., and J.H. Woodhouse, A worldwide comparison of predicted 5-wave delays from a three-dimensional upper mantle model with P-wave station corrections, Phys. Earth Planet. Inter., 39,75-88, 1985.
54. Su, W-J., and A.M. Dziewonski, Predominance of long-wavelength heterogeneity in the mantle, Nature, 352, 121-126, 1991.
55. 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.
56. Su, W.-J., and A.M. Dziewonski, Simultaneous inversion for 3D variations in shear and bulk velocity in the mantle, Phys. Earth Planet. Int., 100, 135-156, 1997.
57. Tanimoto, T., Long-wavelength S-velocity structure throughout the mantle, Geophys. J. Int., 100, 327-336, 1990.
58. Toy, K.M., Tomographic analysis of ISC travel time data for Earth structure, Ph.D Thesis, Univ. Cal. San Diego, 1989.
59. Trampert, J., and J.H. Woodhouse, Global phase velocity maps of Love and Rayleigh waves between 40 and 150 seconds, Geophys. J. Int., 122,675-690, 1995.
60. Trampert, J., and J.H. Woodhouse, High-resolution global phase velocity distribution, Geophys. Res. Let, 23, 21-24, 1996.
61. van der Hilst, R.D., S. Widiyantoro, and E.R. Engdahl, Evidence for deep mantle circulation from global tomography, Nature, 386, 578-584, 1997.
62. van der Hilst, R.D., and K. Karason, Compositional Heterogeneity in the Bottom 100 Kilometers of Earth’s Mantle: Toward a Hybrid Convection Model, Science, 283, 1885-1889, 1999.
63. Vasco, D.W., L.R. Johnson, and J. Pulliam, Lateral variations in mantle velocity structure and discontinuities determined from P, PP, S, SS, and SS-SdS travel times residuals, J. Geophys. Res., 100, 24,037-24,059, 1995.
64. Vasco, D.W., and L.R. Johnson, Whole Earth structure estimated from seismic arrival times, J. Geophys. Res., 103, 2633-2671, 1998.
65. Vasco, D.W., R.J. Pulliam, and L.R. Johnson, Formal inversion of ISC arrival times for mantle P-velocity structure, Geophys. J. Int., 113, 586-606, 1993.
66. Vasco, D.W., R.J. Pulliam, L.R. Johnson, and PS. Earle, Robust inversion of IASP91 travel time residuals for mantle P and S velocity structure, earthquake mislocations, and station corrections, J. Geophys. Res., 99, 13,727-13,755, 1994.
67. Woodhouse, J.H., and A.M. Dziewonski, Mapping of the upper mantle: three-dimensional modeling of earth structure by inversion of seismic waveforms, J. Geophys. Res., 89, 5953-5986, 1984.
68. Woodward, R.L., and G. Masters, Global upper mantle structure from long-period differential travel times, J. Geophys. Res., 96, 6351-6377, 1991a.
69. Woodward, R.L., and G. Masters, Lower mantle structure from ScS-S differential travel times, Nature, 352, 231-233, 1991b.
70. Woodward, R.L., and G. Masters, Upper mantle structure from longperiod differential travel times and free-oscillation data, Geophys. J. Int., 109, 275-293, 1992.
71. York, D., Least squares fitting of a straight line, Canadian J. Phys., 44, 1079-1086, 1966.
72. Zhang, Y., and T. Lay, Global surface wave phase velocity variations, J. Geophys. Res., 101, 8415-8436, 1996.
73. Zhou, H.-W, A high resolution P wave model for the top 1200 km of the mantle, J. Geophys. Res., 101, 27,791-27,810, 1996.