A size-frequency study of large Martian craters

Details A size-frequency study of large Martian craters A size-frequency study of large Martian craters

Dec 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jgr....82.5807w&link_type=abstract

Journal of Geophysical Research, vol. 82, Dec. 10, 1977, p. 5807-5820.

Physics

Craters, Mars Surface, Size Determination, Diameters, Distribution Functions, Longitude, Spatial Distribution

Scientific paper

Martian craters in the size range 10-250 km follow a log-normal size-frequency distribution law. Analysis techniques based on the log-normal model yield possible evidence for the size-frequency evolution of crater-producing bodies. Some regions on Mars display excessive depletions of either large or small craters; the most likely causes of the depletions are considered. Apparently, eolian sedimentation has markedly altered the population of small craters south of -30 deg latitude. The general effects of crater obliteration in the Southern Hemisphere appear to be confined to diameters of less than 20 km. A strong depletion of large craters in a large region centered at 35 deg latitude and 10 deg W longitude may indicate locations of subsurface ice.

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