Numerical simulations and the problem of periodicity in the cratering record

Details Numerical simulations and the problem of periodicity in the cratering record Numerical simulations and the problem of periodicity in the cratering record

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987e%26psl..82..159t&link_type=abstract

Earth and Planetary Science Letters (ISSN 0012-821X), vol. 82, no. 1-2, March 1987, p. 159-164.

Physics

12

Cratering, Data Simulation, Earth Surface, Geochronology, Periodic Variations, Planetary Craters, Histograms, Random Processes, Time Series Analysis

Scientific paper

Ages of craters in the record of impacts on earth may be uniformly period, totally random, or a mixture of the two. These alternatives are studied through numerical simulation wherein time-series analysis is performed on real and simulated sequences to which random noise has been added to represent age-dating uncertainty. The authors conclude that the real record is most likely to have been generated by a mixture of random and periodic impacts, with the random events constituting the majority.

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