Bingham Parameters for Fluidized Ejecta Spreading on Mars and Martian Volatiles

Details Bingham Parameters for Fluidized Ejecta Spreading on Mars and Martian Volatiles Bingham Parameters for Fluidized Ejecta Spreading on Mars and Martian Volatiles

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..587i&link_type=abstract

Lunar and Planetary Science, volume 27, page 587

Physics

Craters: Impact, Fluidized Ejecta Blankets, Martian Volatiles

Scientific paper

We estimate martian ejecta flow parameters, comparing the horizontal ejecta motion after ballistic deposition with the motion of terrestrial flows of the known nature (rock avalanches, lahars, debris and pyroclastic flows). The ejecta flow rheology is approximated with the Bingham law. The ejecta spreading is measured as the ratio of the outer ejecta blanket radius, R(sub)m, to the transient cavity radius, R(sub)t. For typical values of R(sub)m/R(sub)t from 3 to 6, estimated Bingham parameters of the ejecta correspond occupy the parameter's field just between dry rock avalanches and water-saturated debris flows on Earth. While the model will be more advanced, such a comparison seems to allow a quantitative measure of volatile content and their physical nature from Viking imagery.

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