Effect of a viscosity interface at 1000 km depth on mantle circulation

Studia Geophysica et Geodaetica

Volumn 41, Issue 3, 1997, Pages 297-306

  Čížková, Hana ^a,b   Čadek, Ondřej ^a,b  

^a CHARLES UNIVERSITY   (Czech Republic)

^b V Holesovickach 2   (Czech Republic)

Author keywords

Mantle convection; Mantle viscosity; Phase transitions

Indexed keywords

CONVECTION; MANTLE; PHASE TRANSITION; VISCOSITY;

EID: 0031447080     PISSN: 00393169     EISSN: None     Source Type: Journal    
DOI: 10.1023/A:1023303001414     Document Type: Article

References (21)

1. 3 perovskite. Geophys. Res. Lett., 20, 105-108.
2. Bunge, H.P., Richards, M.A. and Baumgardner, J.M., 1996: Effect of depth dependent viscosity on the planform of mantle convection. Nature, 379, 436-438.
3. Čadek, O., 1989: Spherical tensor approach to the solution of the mantle stress problem. Studia geoph. et geod., 33, 177-197.
4. Čadek, O., Kývalová, H. and Yuen, D.A., 1995: Geological implications from the correlation of surface geology and seismic tomographic structure. Earth Planet. Sci. Lett., 136, 615-627.
5. Čížková, H., Čadek, O. and van den Berg, A.P., 1997: Influence of the load wavelength on permeability of a viscosity interface in the mantle. Studia geoph. et geod., 41, 64-72.
6. Číková, H., Čadek, O., Yuen, D.A. and Zhou, H., 1996: Slope of the geoid spectrum and constraints on mantle viscosity stratification. Geophys. Res. Lett., 23, 3063-3066.
7. Cserepes, L. and Yuen, D.A., 1997: Dynamical consequences of mid-mantle viscosity stratification on mantle flows with an endothermic phase transition. Geophys. Res. Lett., 24, 181-184.
8. Dziewonski, A.M. and Anderson, D.L., 1981: Preliminary reference Earth model. Phys. Earth Planet. Inter., 25, 297-356.
9. Fornberg, B., 1988: Generation of finite difference formulas on arbitrarily spaced grids. Math. Comput., 51, 699-706.
10. Forte, A.M. and Mitrovica, J.X., 1996: New inferences of mantle viscosity from joint inversion of long-wavelength mantle convection and postglacial rebound data. Geophys. Res. Lett., 23, 1147-1150.
11. Ita, J. and King, S.D., 1994: Sensitivity of convection with an endothermic phase change to the form of the governing equations, initial conditions, boundary conditions, and equation of state. J. Geophys. Res., 99, 15919-15938.
12. Jarvis, G.T. and Peltier, W.R.: Convection models and geophysical observations. In: W.R. Peltier (ed.), Mantle Convection, Plate Tectonics and Global Dynamics, Gordon and Breach Science Publishers, New York, 1989.
13. Jones, M.N.: Spherical Harmonics and Tensors for Classical Field Theory. Research Studies Press Ltd., Letchwork, England, 1985.
14. Kawakatsu, H. and Niu, F., 1994: Seismic evidence for a 920-km discontinuity in the mantle. Nature, 371, 301-305.
15. Kývalová, H., Čadek, O. and Yuen, D.A., 1995: Correlation analysis between subduction in the last 180 Myr and lateral seismic structure in the lower mantle. Geophys. Res. Lett., 22, 1281-1284.
16. Martinec, Z., 1989: Program to calculate the spectral harmonic expansion coefficients of the two scalar fields product. Comp. Phys. Commun., 54, 177-182.
17. Pari, G. and Peltier, W.R., 1995: The heat flow constraint on mantle tomography-based convection models: Towards a geodynamically self-consistent inference of mantle viscosity. J. Geophys. Res., 100, 12731-12752.
18. Tackley, P.J., 1995: Mantle dynamics: Influence of the transition zone. US National Report of the IUGG, Rev. Geophys., Supplement, 275-282.
19. Tackley, P.J., 1996: On the ability of phase transitions and viscosity layering to induce long-wavelength heterogeneity in the mantle. Geophys. Res. Lett., 23, 1985-1988.
20. van Keken, P., Yuen, D.A. and van den Berg, A.P., 1992: Pulsating diapiric flows: Consequences of vertical variations in mantle creep laws. Earth Planet. Sci. Lett., 112, 179-194.
21. Wen, L. and Anderson, D.L., 1995: The fate of slabs inferred from 130 million years of subduction and seismic tomography. Earth Planet. Sci. Lett., 133, 185-198.