Surface vertical displacements, potential perturbations and gravity changes of a viscoelastic earth model induced by internal point dislocations

Geophysical Journal International

Volumn 137, Issue 2, 1999, Pages 429-440

  Wang, Hansheng ^a  

^a Wuhan National Laboratory for Optoelectronics   (China)

Author keywords

Deformation; Dislocations; Potential field; Viscosity

Indexed keywords

CRUSTAL DEFORMATION; DISLOCATION; POSTSEISMIC PROCESS; VISCOELASTICITY;

EID: 0032986237     PISSN: 0956540X     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-246X.1999.00797.x     Document Type: Article

References (24)

1. Boschi, E., Sabadini, R. & Yuen, D.A., 1985. Transient polar motions and the nature of the asthenosphere for short times scales, J. geophys. Res., 90, 3559-3568.
2. Dragoni, M., Yuen, D.A. & Boschi, E., 1983. Global post-seismic deformation in a stratified viscoelastic earth: effects on Chandler wobble excitation, J. geophys. Res., 88, 2240-2250.
3. Dziewonski, A.M. & Anderson, D.L., 1981. Preliminary reference earth model, Phys. Earth planet. Inter., 25, 297-356.
4. Farrell, W.E., 1972. Deformation of the earth by surface loads, Rev. Geophys. Space Phys., 10, 761-797.
5. Han, D., 1993. A new analysis of post glacial rebound and analysis of anisotropy of the mantle rheology, PhD thesis, University of Colorado, USA.
6. Han, D. & Wahr, J., 1995. The viscoelastic relaxation of a realistically stratified earth, and a further analysis of postglacial rebound, Geophys. J. Int., 120, 287-311.
7. Mitrovica, J.X. & Davis, J.L., 1995. Some comments on the 3-D impulse response of a Maxwell viscoelastic earth, Geophys. J. Int., 120, 227-234.
8. Okubo, S., 1993. Reciprocity theorem to compute the static deformation due to a point dislocation buried in a spherically symmetric earth, Geophys. J. Int., 115, 921-928.
9. Peltier, W.R., 1985. The Lageos constraints on deep mantle viscosity: Results from a new normal mode method for the inversion of viscoelastic relaxation spectra, J. geophys. Res., 90(B11), 9411-9421.
10. Piersanti, A., Spada, G., Sabadini, R. & Bonafede, M., 1995. Global post-seismic deformation, Geophys. J. Int., 120, 544-566.
11. Pollitze, F.F., 1992. Post seismic relaxation theory on the spherical earth, Bull. seism. Soc. Am., 82, 422-453.
12. Romanowicz, B., 1993. Spatiotemporal patterns in the energy release of great earthquakes, Science, 260, 1923-1926.
13. Sabadini, R. & Vermeersen, L.L.A., 1997. Influence of lithospheric and mantle stratification on global post-seismic deformation, Geophys. Res. Lett., 24, 2075-2078.
14. Sabadini, R., Yuen, D.A. & Boschi, E., 1984. The effects of post-seismic motions on the moment of inertia of a stratified viscoelastic earth with an asthenosphere, Geophys. J. R. astr. Soc., 79, 727-746.
15. Smylie, D.E. & Mansinha, L., 1971. The elasticity theory of dislocations in real earth models and changes in the rotation of the Earth, Geophys. J. R. astr. Soc., 23, 329-354.
16. Spada, G., Yuen, D.A., Sabadini, R. & Boschi, E., 1991. Lower mantle viscosity constrained by seismicity around deglaciated areas, Nature, 351, 53-55.
17. Sun, W., 1992. Potential and gravity changes raised by dislocations in spherically symmetric earth models, PhD thesis, University of Tokyo, Japan.
18. Sun, W. & Okubo, S., 1993. Surface potential and gravity changes due to internal dislocations in a spherical earth - I. Theory for a point dislocation. Geophys. J. Int., 114, 569-592.
19. Vermeersen, L.L.A. & Sabadini, R., 1997. A new class of stratified viscoelastic models by analytical techniques, Geophys. J. Int., 129, 531-570.
20. Vermeersen, L.L.A., Sabadini, R. & Spada, G., 1996a. Analytical visco-elastic relaxation models, Geophys. Res. Lett., 23, 697-700.
21. Vermeersen, L.L.A., Sabadini, R. & Spada, G., 1996b. Compressible rotational deformation, Geophys. J. Int., 126, 735-761.
22. Wang, H.S., Hsu, H.Z. & Li, G.Y., 1996. Improvement of computations of load Love numbers of SNREI earth model, Acta Geophys. Sinica, 39, Supplement, 182-189.
23. Wang, H.S., Li, G.Y. & Hsu, H.Z., 1997. Continuously distributed modes of SNRVEI viscoelastic earth model and the implications, Acta Geophys. Sinica, 40, 78-84.
24. Wu, P. & Peltier, W.R., 1982. Viscous gravitational relaxation, Geophys. J. R. astr. Soc., 70, 435-485.