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A Monte Carlo model for the gardening of the lunar regolith

A Monte Carlo model for the gardening of the lunar regolith,10.1007/BF00567513,Earth Moon and Planets,James R. Arnold

A Monte Carlo model for the gardening of the lunar regolith   (Citations: 4)
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The processes of movement and turnover of the lunar regolith are described by a Monte Carlo model, which includes the effects of collisions by particles from 10-7 g to 1010 g. The movement of material by the direct cratering process is the dominant mode, but slumping is also included for angles exceeding the static angle of repose. Using a group of interrelated computer programs a large number of properties are calculated, including topography, formation of layers, depth of the disturbed layer, nuclear track distributions, cosmogenic nuclides and others. In the most complex program, the history of a 36 point square array is followed for times up to 4 × 108 yr. As expected the histories generated are complex and exhibit great variety. Because a crater covers much less area than its ejecta blanket, there is a tendency for the height change at a test point to exhibit the ‘gambler's ruin’ phenomenon: periods of slow accumulation followed by sudden excavation.
Journal: Earth Moon and Planets - EARTH MOON PLANET , vol. 13, no. 1, pp. 159-172, 1975
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