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Subsolidus convection in the mantles of terrestrial planetsThe role of heat transport by solid state mantle convection in determining the past and present thermal states of terrestrial planets is examined. Mantle convection models have relied on two-dimensional and axisymmetric three-dimensional numerical calculations incorporating the temperature and pressure dependence of mantle rheology and its non-Newtonian nature. Convection at high Rayleigh numbers has been investigated through theoretical scaling arguments and boundary layer theories; nevertheless, computational limits prevent modeling of the fully three-dimensional, time-dependent, very high Rayleigh number convection which probably prevails in terrestrial planets. Radar measurements of Venus, as well as Voyager exploration of the Galilean satellites, should also provide information on mantle convection.
Document ID
19790053168
Acquisition Source
Legacy CDMS
Document Type
Other - Collected Works
Authors
Schubert, G.
(California, University Los Angeles, Calif., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1979
Subject Category
Geosciences (General)
Accession Number
79A37181
Funding Number(s)
CONTRACT_GRANT: NSF EAR-77-15198
CONTRACT_GRANT: NGR-05-007-317
Distribution Limits
Public
Copyright
Other

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