Computer Science
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992lpico.789r..29d&link_type=abstract
In Lunar and Planetary Inst., Papers Presented to the International Colloquium on Venus p 29-30 (SEE N93-14288 04-91)
Computer Science
Coronas, Finite Element Method, Lithology, Mountains, Planetary Crusts, Planetary Geology, Tectonics, Venus (Planet), Venus Atmosphere, Viscoelasticity, Drying, Heat Transmission, High Temperature, Surface Temperature, Temperature Gradients, Topography, Water
Scientific paper
Venus differs from Earth in that water is essentially absent and its surface temperatures are about 470 K higher. The competing effects of high surface temperature and dry lithologies on the long-term history of surface topography have been studied using the finite-element method. The relaxation history of surface topographic features, such as coronae and mountain belts, is a function of thermal gradient, crustal thickness and lithology, regional stresses, and basal tractions applied to the lithosphere. In this study, we have examined the relative effects of these factors over a period of 500 Ma (presumed to be the mean age of the venusian surface).
Duncan Ian
Leith A.
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