Global effects of impact ejecta from the K-T bolide

Details Global effects of impact ejecta from the K-T bolide Global effects of impact ejecta from the K-T bolide

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..857l&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 857.

Physics

Ejecta, Bolides, Craters, Scaling Laws, Surface Temperature

Scientific paper

Two aspects of the fine ejecta generated by the Cretaceous-Tertiary bolide are here considered. Cratering scaling laws are first employed to estimate the mass of the ejecta particles in the 1 micron to 10 mm size range having launch velocities consistent with ballistic trajectories. Then, an evaluation is conducted of the effect of near-IR heating at the ground due to reentry of ballistic ejecta particles, in order to ascertain whether this mechanism can produce global wildfires.

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