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. 1987:82:159-64.
doi: 10.1016/0012-821x(87)90116-6.

Numerical simulations and the problem of periodicity in the cratering record

J S Trefil  1 , D M Raup
Collaborators, Affiliations

Numerical simulations and the problem of periodicity in the cratering record

J S Trefil et al. Earth Planet Sci Lett. 1987.

Abstract

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. We 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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