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Impact Erosion of Terrestrial Planetary Atmospheres

Ahrens, Thomas J. (1993) Impact Erosion of Terrestrial Planetary Atmospheres. Annual Review of Earth and Planetary Sciences, 21 . pp. 525-555. ISSN 0084-6597. doi:10.1146/annurev.ea.21.050193.002521.

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The idea that planetary atmospheres can erode as a result of impact, and thus lose mass along with solid and molten high velocity ejecta during accretional infall of planetesimals follows from such early thoughtful works as that of Arrhenius et al (1974), Benlow & Meadows (1977), Ringwood (1979), and Cameron (1983). Ahrens et al (1989) describe how planetary impact accretion (and impact erosion) concepts lead naturally, from the idea that atmospheres form and erode during planetary growth.

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Additional Information:© 1993 Annual Reviews. I appreciate receiving helpful comments on this paper from G. W. Wetherill, A. Vickery, A. W. Harris, and L. R. Rowan, as well as private communications from G. Chen and J. Melosh. Special thanks go to H. Kanamori who computed the results shown in Figure 14. Many of the ideas developed in this review have come from collaborations with J. D. O'Keefe, M. A. Lange, and J. A. Tyburczy. This research is supported by NASA and is Contribution #5198, Division of Geological and Planetary Sciences, California Institute of Technology.
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Subject Keywords:atmospheric escape, atmospheric loss, earth accretion, early atmosphere
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Caltech Division of Geological and Planetary Sciences5198
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ID Code:50720
Deposited By: Tony Diaz
Deposited On:23 Oct 2014 16:10
Last Modified:10 Nov 2021 18:59

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