A Monte Carlo study of parameters affecting computer simulations of crater saturation density

Details A Monte Carlo study of parameters affecting computer simulations of crater saturation density A Monte Carlo study of parameters affecting computer simulations of crater saturation density

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985lpsc...15..817w&link_type=abstract

(Lunar and Planetary Institute, NASA, American Geophysical Union, et al., Lunar and Planetary Science Conference, 15th, Houston,

Physics

1

Computerized Simulation, Craters, Monte Carlo Method, Population Theory, Size (Dimensions), Ejecta, Lunar Surface, Planets, Monte Carlo Methods, Models, Parameters, Computer Methods, Simulations, Craters, Saturation, Density, Surface, Techniques

Scientific paper

Computer models of cratered surfaces often use inputs of uncertain nature and importance. This work evaluates the sensitivity of the resulting crater-saturation estimates to the input parameters, principally applicable to the study of craters upward from 8 km diameter. In order of decreasing importance, crater saturation simulations are found to be sensitive to: (1) the dynamic range of crater diameters used, (2) the effectiveness of ejecta-blanket obliteration assumed, and (3) the number of points taken to describe the crater rim. The size of the largest crater in proportion to the size of the simulated surface has no effect on the results when the edges of the simulated surface are correctly treated and craters are not counted simply by integers. Craters should be counted by their fractions lying within the simulated area. A similar procedure is recommended when gathering crater size-density data from images.

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