Other
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufm.u33b..01s&link_type=abstract
American Geophysical Union, Fall Meeting 2004, abstract #U33B-01
Other
8120 Dynamics Of Lithosphere And Mantle: General, 8121 Dynamics, Convection Currents And Mantle Plumes, 8124 Earth'S Interior: Composition And State (Old 8105), 8125 Evolution Of The Earth, 8130 Heat Generation And Transport
Scientific paper
Sublithospheric small-scale convection is an important part of global mantle dynamics. It was proposed as an explanation for the bathimetry, the heat flux and the gravity anomalies in the oceanic region. It was also proposed to occur in the continental region. Sublithospheric small-scale convection could be a major convective mode on other terrestrial planets where plate tectonics is absent. I will discuss fluid dynamical constraints on small-scale convection, including the heat flux and temperature variations, the lithospheric stresses, and the length scales associated with small-scale convection. I will also discuss the possible role of small-scale convection in the origin of plate tectonics and in the secular cooling of the Earth.
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