Cratering mechanics on Venus - Pressure enhancement by the atmospheric 'ocean'

Details Cratering mechanics on Venus - Pressure enhancement by the atmospheric 'ocean' Cratering mechanics on Venus - Pressure enhancement by the atmospheric 'ocean'

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992georl..19.2115b&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 19, no. 21, p. 2115-2118.

Mathematics

Logic

3

Atmospheric Effects, Cratering, Meteorite Craters, Planetary Craters, Pressure Effects, Venus Surface, Bow Waves, Hypervelocity Impact, Shock Waves

Scientific paper

The impedance match technique and EOSs of equations of state (EOSs) of geologically relevant materials are used to investigate cratering mechanics on Venus, specifically, the coupling of impactor kinetic energy and momentum into the target surface. These EOSs are modified to account for multiple shocks. Peak impact pressures from both first reflection and later reverberations are determined. These are compared to values obtained using an atmosphereless model, and the differences between and implications for atmosphere-affected and atmosphereless impacts are discussed.

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