Layered convection with an interface at a depth of 1000 km: Stability and generation of slab-like downwellings

Physics of the Earth and Planetary Interiors

Volumn 141, Issue 4, 2004, Pages 269-279

  Čížková, Hana ^a   Matyska, Ctirad ^a  

^a CHARLES UNIVERSITY   (Czech Republic)

Author keywords

Layered convection; Stable reservoirs; Subduction

Indexed keywords

DENSITY; DOWNWELLING; HEATING; LAYERED MEDIUM; MANTLE CONVECTION; NUMERICAL MODEL; SLAB; SUBDUCTION; VISCOSITY;

EID: 1642487280     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2003.11.008     Document Type: Article

References (24)

1. Anderson D.L.Top-down tectonics? Science 293 2001 2016-2018
2. Anderson D.L.The case of irreversible chemical stratification Int. Geol. Rev. 44 2002 97-116
3. Bijwaard H.Spakman W.Engdahl E.R.Closing the gap between regional and global travel time tomography J. Geophys. Res. 103 1998 30055-30078
4. Christensen U.Yuen D.A.The interaction of a subducting lithospheric slab with a chemical or phase boundary J. Geophys. Res. 89 1984 4389-4402
5. Č́žková H.Čadek O.Effect of a viscosity interface at 1000 km depth on mantle convection Studia Geoph. et Geod. 41 1997 297-306
6. Č́žková H.Čadek O.van den Berg A.Can lower mantle slab-like seismic anomalies be explained by thermal coupling between the upper and lower mantles? Geophys. Res. Lett. 26 1999 1501-1504
7. Coltice N.Ricard Y.Geochemical observations and one layer mantle convection Earth Planet. Sci. Lett. 174 1999 125
8. Cserepes L.Rabinowicz M.Rosemberg-Borot C.Three-dimensional infinite Prandtl number convection in one and two layers with implications for the earth's gravity field J. Geophys. Res. 93 1988 12009-12025
9. Cserepes L.Yuen D.A.Dynamical consequences of mid-mantle viscosity stratification on mantle flow with an endothermic phase transition Geophys. Res. Lett. 24 1997 181-184
10. Davaille A.Simultaneous generation of hotspots and superswells by convection in a heterogeneous planetary mantle Nature 402 1999 756-760
11. Hofmann A.W.Mantle geochemistry: the message from oceanic volcanism Nature 385 1997 219-229
12. Kawakatsu H.Niu F.Seismic evidence for a 920 km discontinuity in the mantle Nature 371 1994 301-305
13. Kellogg L.H.Hager B.H.van der Hilst R.D.Compositional stratification in the deep mantle Science 283 1999 1881-1884
14. Mambole, A., Fleitout, L., in press. Petrological layering induced by an endothermic phase transition in the earth. Geophys. Res. Lett. 29 (22).
15. Matyska C.Yuen D.A.Bullen's parameter η: a link between seismology and geodynamical modelling Earth Planet. Sci. Lett. 198 2002 471-483
16. Mitrovica, J., Forte, A., 2002. On the radial profile of mantle viscosity. In: Mitrovica, J.X., Vermeersen, B.L.A. (Eds.), Ice Sheets, Sea Level and the Dynamic Earth, American Geophysical Union, pp. 257-273.
17. Montagner, J.P., Guillot, L., 2000. Seismic anisotropy in the earth mantle. In: Boschi, E., et al. (Eds.), Problems in Geophysics for the New Millennium, Editrice Compositori, Bologna, Italy, pp. 218-253.
18. Ricard Y.Wuming B.Inferring the viscosity and 3D density structure of the mantle from geoid, topography and plate velocities Geophys. J. Int. 105 1991 561-571
19. Richter F.McKenzie D.On some consequences and possible causes of layered mantle convection J. Geophys. Res. 86 1981 6133-6142
20. Schmus, W.R.V., 1995. Natural radioactivity of the crust and mantle. In: Ahrens, T.J. (Ed.), Global Earth Physics, A Handbook of Physical Constants, American Geophysical Union, Washington, USA, pp. 283-291.
21. Tackley P.Mantle convection and plate tectonics: toward and integrated physical and chemical theory Science 288 2000 2002-2007
22. Turcotte D.L.Paul D.White W.M.Thorium-uranium systematics require layered mantle convection J. Geophys. Res. 106 2001 4265-4276
23. van der Hilst R.D.Widiyantoro S.Engdahl E.R.Evidence for deep mantle circulation from global tomography Nature 386 1997 578-584
24. Wen L.Anderson D.L.Layered mantle convection: a model for geoid and topography Earth Planet. Sci. Lett. 146 1997 367-377