Abstract
A model of mantle rheology which has an explicit transient component of its relaxation spectrum is shown to reconcile two apparently conflicting inferences of lower mantle viscosity. If recent analyses of isostatic geoid anomalies are correct in requiring a large increase of viscosity with depth, then the weak viscosity stratification demanded by postglacial rebound data implies the importance of such rheological behaviour, at least in the Earth's lower mantle.
Similar content being viewed by others
References
Yoder, C. F. et al. Nature 303, 757–762 (1983).
Rubincam, D. P. J. geophys. Res. 89, 1077–1087 (1984).
Peltier, W. R. Rev. Geophys. Space Phys. 12, 649–669 (1974).
Wu, P. & Peltier, W. R. Geophys. J. R. astr. Soc. 70, 435–486 (1982).
Wu, P. & Peltier, W. R. Geophys. J. R. astr. Soc. 74, 377–449 (1983).
Wu, P. & Peltier, W. R. Geophys. J. R. astr. Aoc. 76, 753–792 (1984).
Peltier, W. R. Adv. Geophys. 24, 1–146 (1982).
Peltier, W. R. J. geophys. Res. 89, 11303–11316 (1984).
Peltier, W. R. & Wu, P. Geophys. Res. Lett. 9, 731–734 (1982).
Weertman, J. Phil. Trans. R. Soc. A288, 9–26 (1978).
Hager, B. H. J. geophys. Res. 89, 6003–6015 (1984).
Richards, M. A. & Hager, B. H. J. geophys. Res. 89, 5987–6002 (1984).
Dziewonski, A. M. J. geophys. Res. 89, 5929–5952 (1984).
Woodhouse, J. H. & Dziewonski, A. M. J. geophys. Res. 89, 5953–5986 (1984).
Peltier, W. R., Wu, Patrick & Yuen, D. A. in Anelasticity in the Earth (eds Stacey, F. D., Nicholas, A. & Peterson, M. S.) (American Geophysical Union, Washington, DC, 1981).
Peltier, W. R. Rheology 28, 665–697 (1984).
Peltier, W. R. J. geophys. Res. 90, 9411–9421 (1985).
Peltier, W. R., Drummond, R. A. & Tushingham, A. M. Geophys. J. R. str. Soc. (in the press).
Peltier, W. R. J. geophys. Res. (in the press).
Peltier, W. R. & Wu, P., Geophys.Res. Lett. 10, 181–184 (1983).
Peltier, W. R. Ann. Rev. Fluid. Mech. 17, 561–608 (1985).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Peltier, W. New constraints on transient lower mantle rheology and internal mantle buoyancy from glacial rebound data. Nature 318, 614–617 (1985). https://doi.org/10.1038/318614a0
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1038/318614a0
- Springer Nature Limited
This article is cited by
-
Geophysics: Transient mantle rheology
Nature (1985)