The Cathles Parameter (Ct): A Geodynamic Definition of the Asthenosphere and Implications for the Nature of Plate Tectonics

A weak asthenosphere, or low‐viscosity zone (LVZ), underlying Earth's lithosphere has played an important role in interpreting isostasy, postglacial rebound (PGR), and the seismic LVZ, as well as proposed mechanisms for continental drift, plate tectonics, and postseismic relaxation. Considerati...

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Veröffentlicht in:	Geochemistry, geophysics, geosystems : G3 geophysics, geosystems : G3, 2018-12, Vol.19 (12), p.4858-4875
Hauptverfasser:	Richards, Mark A., Lenardic, Adrian
Format:	Artikel
Sprache:	eng
Schlagworte:	Asthenosphere Boundary layers Cellular convection Continental drift Convection convection currents Couette flow Earth Earth surface Earth's gravity field Geoid Glaciation Gravitational fields gravity and tectonics Gravity field Ice sheets Isostasy Laminar flow Lithosphere mantle Mantle convection mantle plumes Mathematical models Modelling Numerical models planetary tectonics Plate boundaries Plate tectonics Removal Scaling Tectonics Thermal convection Uplift Viscosity Wavelength
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