Tomographic filtering of geodynamic models: Implications for models interpretation and large-scale mantle structure

Journal of Geophysical Research: Solid Earth

Volumn 112, Issue 1, 2007, Pages

  Ritsema, Jeroen ^a   McNamara, Allen K ^b   Bull, Abigail L ^b  

^a UNIVERSITY OF MICHIGAN   (United States)

^b ARIZONA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BODY WAVE; GEODYNAMICS; MANTLE STRUCTURE; NUMERICAL MODEL; SEISMIC TOMOGRAPHY; SEISMIC VELOCITY; TRAVEL TIME;

EID: 34547884701     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/2006JB004566     Document Type: Article

References (61)

1. Aster, R. C., B. Borchers, and C. H. Thurber (2005), Parameter Estimation and Inverse Problems, Elsevier, New York.
2. Becker, T. W., and L. Boschi (2002), A comparison of tomographic and geodynamic mantle models, Geochem. Geophys. Geosys., 3(1), 1003, doi:10.1029/2001GC000168.
3. Becker, T. W., and R. J. O'Connell (2001), Predicting plate velocities with mantle circulation models, Geochem. Geophys. Geosys., 2(2), doi:10.1029/2001GC000171.
4. Bunge, H. P., and J. H. Davies (2001), Tomographic images of a mantle circulation model, Geophys. Res. Lett., 28, 77-80.
5. Bunge, H. P., and M. A. Richards (1996), The origin of large scale structure in mantle convection: effects of plate motions and viscosity stratification, Geophys. Res. Lett., 23, 2987-2990.
6. Bunge, H. P., M. A. Richards, C. Lithgow-Bertelloni, J. R. Baumgardner, S. P. Grand, and B. Romanowicz (1998), Time scales and heterogeneous structure in geodynamic Earth models, Science, 280, 91-95.
7. Davaille, A. (1999), Simultaneous generation of hotspots and superswells by convection in a heterogeneous planetary mantle, Nature, 402, 756-760.
8. Davaille, A., M. L. Bars, and C. Carbonne (2003), Thermal convection in a heterogeneous mantle, C. R. Geosci., 335, 141-156.
9. Davaille, A., E. Stutzmann, G. Silveira, J. Besse, and V. Courtillot (2005), Convective patterns under the Indo-Atlantic box, Earth Planet. Sci. Lett., 239, 233-252.
10. Deschamps, F., and J. Trampert (2003), Mantle tomography and its relation to temperature and composition, Phys. Earth Planet. Int., 140, 277-291.
11. Dziewonski, A. M., B. H. Hager, and R. J. O'Connell (1977), Large scale heterogeneity in the lower mantle, J. Geophys. Res., 82, 239-255.
12. Forte, A. M., and J. X. Mitrovica (2001), Deep-mantle high viscosity flow and thermochemical structure inferred from seismic and geodynamic data, Nature, 410, 1049-1056.
13. Fukao, Y., S. Widiyantoro, and M. Obayashi (2001), Stagnant slabs in the upper and lower mantle transition region, Rev. Geophys., 39, 291-323.
14. Grand, S. P. (1994), Shear mantle structure beneath the Americas and the surrounding oceans, J. Geophys. Res., 99, 11,591-11,621.
15. Grand, S. P., R. D. van der Hilst, and S. Widiyantoro (1997), Global seismic tomography: A snapshot of convection in the Earth, GSA Today, 7, 1-7.
16. Gu, Y. J., A. M. Dziewonski, and G. Ekström (2001), Preferential detection of the Lehmann discontinuity beneath continents, Geophys. Res. Lett., 28, 4655-4658.
17. Hager, B. H., and R. J. O'Connell (1979), Kinematic models of large-scale flow in the Earth's mantle, J. Geophys. Res., 84, 1031-1048.
18. Hager, B. H., and R. J. O'Connell (1991), A simple global model of plate dynamics and mantle convection, J. Geophys. Res., 86, 4843-4867.
19. Hager, B. H., and M. A. Richards (1989), Long-wavelength variations in Earth's geoid: Physical models and dynamical implications, Phil. Trans. R. Soc. London, Ser. A., 328, 209-327.
20. Hager, B. H., R. W. Clayton, M. A. Richards, R. P. Comer, and A. M. Dziewonski (1985), Lower mantle heterogeneity, dynamics topography and the geoid, Nature, 313, 541-545.
21. Ishii, M., and J. Tromp (1999), Normal-mode and free-air gravity constraints on lateral variations in velocity and density of Earth's mantle, Science, 285, 1231-1236.
22. Ishii, M., and J. Tromp (2004), Constraining large-scale mantle heterogeneity using mantle and inner-core sensitive normal modes, Phys. Earth Planet. Int., 146, 113-124.
23. Jellinek, A. M., and M. Manga (2002), The influence of a chemical boundary layer on the fixity, spacing, and lifetime of mantle plumes, Nature, 418, 760-763.
24. Jellinek, A. M., and M. Manga (2004), Links between long-lived hot spots, mantle plumes, D", and plate tectonics, Rev. Geophys., 42, RG3002, doi:10.1029/2003RG000144.
25. Kellogg, L. H., B. H. Hager, and R. D. van der Hilst (1999), Compositional stratification in the deep mantle, Science, 283, 1881-1884.
26. Kennett, B. L. N., S. Widiyantoro, and R. D. van der Hilst (1998), Joint seismic tomography for bulk sound and shear wave speed in the Earth's mantle, J. Geophys. Res., 103, 12,469-12,493.
27. Kuo, B. Y., E. J. Garnero, and T. Lay (2000), Tomographic inversion on S-SKS times for shear velocity heterogeneity in D": Degree 12 and hybrid models, J. Geophys. Res., 105, 28,139-28,157.
28. Lévêque, J. J., L. Rivera, and G. Wittlinger (1993), On the use of the checkerboard test to assess the resolution of tomographic inversions, Geophys. J. Int., 115, 313-318.
29. Li, X. D., and B. Romanowicz (1996), Global mantle shear velocity model developed using nonlinear asymptotic coupling theory, J. Geophys. Res., 101, 22,245-22,272.
30. Lithgow-Bertelloni, C., and M. A. Richards (1998), The dynamics of Cenozoic and Mesozoic plate motions, Rev. Geophys., 36, 27-78.
31. Masters, G., S. Johnson, G. Laske, and H. Bolton (1996), A shear velocity model of the mantle, Phil. Trans. R. Soc. London, Ser. A, 354, 1385-1411.
32. Masters, G., G. Laske, H. Bolton, and A. Dziewonski (2000), The relative behavior of shear velocity, bulk sound speed, and compressional velocity in the mantle: Implications for chemical and thermal structure, in Earth's Deep Interior: Mineral Physics and Tomography from the Atomic to the Global Scale, Geophys. Monogr. Ser., vol. 117, edited by S. Karato, et al., pp. 63-87, AGU, Washington, D. C.
33. McNamara, A. K., and S. Zhong (2004), Thermochemical structures within a spherical mantle: Superplumes or piles?, J. Geophys. Res., 109, B07402, doi:10.1029/2003JB002847.
34. McNamara, A. K., and S. Zhong (2005), Thermochemical structures beneath Africa and the Pacific, Nature, 437, 1136-1139.
35. Mégnin, C., H. P. Bunge, B. Romanowicz, and M. A. Richards (1997), Imaging 3-D spherical convection models: What can seismic tomography tell us about mantle dynamics?, Geophys. Res. Lett., 24, 1299-1302.
36. Menke, W. (1989), Geophysical Data Analysis: Discrete Inverse Theory, 289 pp., Elsevier, New York.
37. Montelli, R., G. Nolet, G. Masters, F. A. Dahlen, and S.-H. Hung (2004), Global P and PP traveltime tomography: Rays versus waves, Geophys. J. Int., 158, 637-654.
38. Nakagawa, T., and P. J. Tackley (2004), Effects of thermo-chemical mantle convection on the thermal evolution of the Earth's core, Earth Planet. Sci. Lett., 220, 107-119.
39. Ni, S., E. Tan, M. Gurnis, and D. V. Helmberger (2002), Sharp sides to the African superplume, Science, 296, 1950-1952.
40. Ritsema, J., and R. M. Allen (2003), The elusive mantle plume, Earth Planet Sci. Lett., 207, 1-12.
41. Ritsema, J., S. Ni, D. V. Helmberger, and H. P. Crotwell (1998), Anomalous shear velocity reductions and gradients in the lower mantle beneath Africa, Geophys. Res. Lett., 25, 4245-4248.
42. Ritsema, J., H. J. van Heijst, and J. H. Woodhouse (1999), Complex shear velocity structure imaged beneath Africa and Iceland, Science, 286, 1925-1928.
43. Ritsema, J., H. J. van Heijst, and J. H. Woodhouse (2004), Global transition zone tomography, J. Geophys. Res., 109, B02302, doi:10.1029/2003JB002610.
44. Scales, J. A., M. L. Smith, and S. Treitel (2001), Introductory Geophysical Inverse Theory, Samizdat, location?.
45. Schubert, G., G. Masters, P. Olson, and P. Tackley (2004), Superplumes or plume clusters?, Phys. Earth Planet Int., 146, 147-162.
46. Stixrude, L., and C. Lithgow-Bertelloni (2005), Mineralogy and elasticity of the oceanic upper mantle: Origin of the low-velocity zone, J. Geophys. Res., 110, B03204, doi:10.1029/2004JB002965.
47. Su, W. J., and A. M. Dziewonski (1997), Simultaneous inversion for 3-d variations in shear and bulk velocity in the mantle, Phys. Earth Planet. Int., 100, 135-156.
48. So, W. J., R. L. Woodward, and A. M. Dziewonski (1994), Degree-12 model of shear velocity heterogeneity in the mantle, J. Geophys. Res., 99, 6945-6980.
49. Tackley, P. (2000), Mantle convection and plate tectonics: Toward an integrated physical and chemical theory, Science, 288, 2002-2007.
50. Tackley, P. (2002), Strong heterogeneity caused by deep mantle layering, Geochem. Geophys. Geosys., 3(4), doi:10.1029/2001GC000167.
51. Tan, E., and M. Gurnis (2005), Metastable superplumes and mantle compressibility, Geophys. Res. Lett., 32, L20307, doi:10.1029/ 2005GL024190.
52. Tan, E., M. Gurnis, and L. Han (2002), Slabs in the lower mantle and their modulation of plume formation, Geochem. Geophys. Geosys., 3(11), 1067, doi:10.1029/2001GC000238.
53. Tanimoto, T. (1990), Long-wavelength S-wave velocity structure throughout the mantle, Geophys. J Int., 100, 327-336.
54. Tarantola, A. (1987), Inverse Problem Theory, Elsevier, New York.
55. Thompson, P. F., and P. J. Tackley (1998), Generation of mega-plumes from the core-mantle boundary in a compressible mantle with temperature-dependent viscosity, Geophys. Res. Lett., 25, 1999-2002.
56. Trampert, J., F. Deschamps, J. Resovsky, and D. Yuen (2004), Probabilistic tomography maps chemical heterogeneities throughout the lower mantle, Science, 306, 853-856.
57. Wang, Y., and L. Wen (2004), Mapping the geometry and geographic distribution of a very low velocity province at the base of the Earth's mantle, J. Geophys. Res., 109, B10305, doi:10.1029/2003JB002674.
58. Wen, L., P. G. Silver, D. James, and R. Kuehnel (2001), Seismic evidence for a thermo-chernical boundary layer at the base of the Earth's mantle, Earth Planet. Sci. Lett., 189, 141-153.
59. Wessel, P., and W. H. F. Smith (1995), New version of the generic mapping tools released, Eos Trans. AGU, 76, 329.
60. Wysession, M. E. (1996), How well do we utilize global seismicity?, Bull. Seismol. Soc. Am., 86, 1207-1219.
61. Zhong, S., M. T. Zuber, L. Moresi, and M. Gurnis (2000), The role of temperature-dependent viscosity and surface plates in spherical shell models of mantle convection, J. Geophys. Res., 105, 11,063-11,082.