Atmospheric effects on Martian ejecta emplacement

Details Atmospheric effects on Martian ejecta emplacement Atmospheric effects on Martian ejecta emplacement

Dec 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979jgr....84.7669s&link_type=abstract

Journal of Geophysical Research, vol. 84, Dec. 10, 1979, p. 7669-7687.

Physics

87

Atmospheric Effects, Cratering, Impact Damage, Mars Atmosphere, Mars Surface, Aerodynamic Drag, Ballistic Trajectories, Ejection, Hydrostatic Pressure, Mathematical Models, Particle Size Distribution, Pressure Effects, Viking Mars Program

Scientific paper

The paper presents analytical descriptions of crater growth and numerical calculations of aerodynamic drag to evaluate the possible effects of drag on impact crater ejecta emplacement on Mars. The critical particle size below which ejecta deposition is restricted in range increases with crater size; models of ejecta trajectories in the current Martian atmosphere under hydrostatic equilibrium reveal critical particle diameters ranging from 0.4 to 20 cm, noting that ejecta approaching the critical particle size may impact with crater radius of the excavation crater rim. Ejecta larger than the critical particle size are undecelerated and form secondary impact craters modified by the later arriving decelerated ejecta cloud; thus, ejecta emplacement will be multiphased, but the process depends on the ejecta size distribution.

Affiliated with

Also associated with

No associations

Rating

Atmospheric effects on Martian ejecta emplacement does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Atmospheric effects on Martian ejecta emplacement, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Atmospheric effects on Martian ejecta emplacement will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1448245