Other
Scientific paper
Nov 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996geoji.127..268k&link_type=abstract
Geophysical Journal International, Vol. 127, No. 2, p. 268 - 282
Other
9
Plate Tectonics: Geoid
Scientific paper
In order to gain some insights into the role of deep mass anomalies on surface velocity and geoid anomalies, Cartesian models involving strong lateral viscosity contrasts and where plate boundaries are mimicked by zones of very low viscosity are performed. The response of the system to mass anomalies at various depths and various distances from the plate boundary is computed. It is compared with the responses obtained using the three other methods used in global geoid models for mimicking the mobility of the lithosphere: models with layered viscosity and a uniform low-viscosity lithosphere; models computing plate velocities from horizontal force balance; and models where the surface velocities are set equal to the observed ones with plates "moved by the hand of God".
Fleitout Luce
Karpychev Mikhail
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