Isostatic response and anisotropy of the Eastern Himalayan-Tibetan Plateau: A reappraisal using multitaper spectral analysis

Geophysical Research Letters

Volumn 30, Issue 2, 2003, Pages

  Rajesh, R S ^a   Stephen, Jimmy ^a   Mishra, D C ^a  

^a NATIONAL GEOPHYSICAL RESEARCH INSTITUTE   (India)

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPY; SEISMIC PROSPECTING; SHEAR WAVES; SHEAR FLOW; SPECTRUM ANALYSIS;

ISOSTATIC RESPONSE; COHERENCE FUNCTION; CRUSTAL DEFORMATIONS; CRUSTAL THICKNESS; EFFECTIVE ELASTIC THICKNESS; MULTITAPER SPECTRAL ANALYSIS; SHEAR WAVE SPLITTING; TIBETAN PLATEAU; UPPER CRUST;

GEOPHYSICS; STRUCTURAL GEOLOGY;

GRAVITY ANOMALY; LITHOSPHERE; STRENGTH; TOPOGRAPHIC EFFECT; VELOCITY STRUCTURE;

CHINA; QINGHAI-XIZANG PLATEAU; TIBETAN PLATEAU;

EID: 0038266237     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2002GL016104     Document Type: Article

References (28)

1. Burov, E. B., and M. Diament, Effective elastic thickness of the continental Lithosphere. What does it really mean?, J. Geophys. Res., 100, 3905-3927, 1995.
2. Cattin, R., P. H. Martelet, J. P. Avouac, M. Diament, and T. R. Shaykya, Gravity anomalies, crustal structure and thermo mechanical support of the Himalaya of central Nepal. Geophys. J. Int., 147, 381-392, 2001.
3. Chen, Y., J. P. Cogne, V. Courtillot, P. Tapponier, and X. Y. Zhu, Cretaceous paleomagnetic results from Western Tibet tectonic implications, J. Geophys. Res., 98, 17,181-17,999, 1993.
4. Davis, P., P. England, and G. Houseman, Comparison of shear wave splitting and finite strain from the India-Asia collision zone, J. Geophys. Res., 102(B12), 27,511-27,522, 1997.
5. Forsyth, D. W., Subsurface loading and estimates of flexural rigidity of continental lithosphere, J. Geophys. Res., 90, 12,623 12,632, 1985.
6. Global Geoscience Transect, International lithospheric program, AGU report, 3, 1991.
7. Hauck, M. L., K. D. Nelson, L. D. Brown, W. Zhao, and A. R. Ross, Tectonics, 17(4), 481-500, 1998.
8. Jin, Y., M. K. McNutt, and Y. S. Zhu, Mapping the descent of Indian and Eurasian plates beneath the Tibetan plateau from gravity anomalies, J. Geophys. Res., 101(B5), 11,275-11,290, 1996.
9. Jin, Y., M. K. McNutt, and Y. S. Zhu, Evidence from gravity and topography data for folding of Tibet, Nature, 371, 669 673, 1994.
10. Kosarev, G., R. Kind, S. V. Sobolev, X. Yuan, W. Hanka, and S. Oreshin, Seismic evidence for a detached Indian lithospheric mantle beneath Tibet. Science, 283, 1306-1309, 1999.
11. Larson, K. M., R. Burgmann, R. Bilham, and J. T. Freymueller, Kinematics of the India-Eurasia collision zone from GPS measurements, J. Geophys. Res., 104, 1077 1093, 1999.
12. Lemoine, et al., The development of Joint NASA GSFC and National Imaging and Mapping Agency (NIMA). Geopotential Model EGM 96, NASA Goddard Flight Central, Green belt, Md, 1998.
13. Lyon, C., and P. Molnar, Constraints on the structure of Himalaya from an analysis of gravity anomalies and a flexural model of the lithosphere, J. Geophys. Res., 88, 8171-8191, 1983.
14. Maggi, A., J. A. Jackson, D. McKenzie, and K. Priestley, Earthquake focal depth, effective elastic thickness and strength of continental lithosphere, Geology, 28, 645 649, 2000.
15. McKenzie, D., and J. D. Fairhead, Estimation of effective elastic thickness of the continental lithosphere from Bouguer and free air gravity anomalies, J. Geophys. Res., 102, 27,523-27,552, 1997.
16. McNamara, D. E., T. J. Owens, P. G. Silver, and F. T. Wu, Shear wave anisotropy beneath Tibet plateau, J. Geophys. Res., 99, 13,655-13,665, 1994.
17. Nelson, K. D., et al., Partially molten middle crust beneath Southern Tibet: Synthesis of project INDEPTH results. Science, 274, 1684-1688, 1996.
18. NGRI, Bouguer anomaly map of India, Published by National Geophysical Research Institute, Hyderabad 500 007, 1975.
19. Percival, D. B., and A. T. Walden, Spectral analysis for Physical Applications, Multi taper and Conventional Univariate Techniques, Cambridge University Press, New York, 1993.
20. Saul, J., N. R. Kumar, and D. Sarkar, Lithospheric and upper mantle structure of Indian shield from teleseismic receiver functions, Geophys. Res. Letters, 27, 2357-2360, 2000.
21. Silver, P. G., Seismic anisotropy beneath the continents: Probing the depths of Geology, Annu. Rev. Earth Planet. Sci., 24, 385 432, 1996.
22. Simons, F. J., R. D. van der Hilst, and M. T. Zuber, Spatio-spectral localization of Isostatic coherence anisotropy in Australia and its relation to seismic anisotropy: Implications for lithospheric deformation, J. Geophys. Res., in press, 2002.
23. Slepian, D., Prolate spheroidal wave functions, Fourier analysis and uncertainty, The discrete case, Bell Syst, Tech, 27, 1371 1429, 1978.
24. Sun, W., Bouguer gravity anomaly map of the People's Republic of China, China Acad. Geophys., Beijing, 1989.
25. Thomson, D. J., Spectrum estimation and harmonic analysis, Proc. IEEE, 70, 1055-1096, 1982.
26. Willet, S. D., and C. Beaumont, Subduction of Asian lithospheric mantle beneath Tibet inferred from models of continental collision, Nature, 369, 642 645, 1994.
27. Wolfe, V. J., and F. L. Vernon, Shear wave splitting at Central Tien Shan: Evidence for rapid variation of anisotropic patterns, Geophys. Res. Letters, 25(8), 1217 1220, 1998.
28. Zhao, W., and K. D. Nelson, Deep seismic evidence of continental under thrusting beneath southern Tibet, Nature, 366, 557-559, 1993.