Dissipation of the rare gases contained in the primordial earth's atmosphere

Details Dissipation of the rare gases contained in the primordial earth's atmosphere Dissipation of the rare gases contained in the primordial earth's atmosphere

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980e%26psl..50..197s&link_type=abstract

Earth and Planetary Science Letters, vol. 50, no. 1, Oct. 1980, p. 197-201.

Computer Science

12

Atmospheric Composition, Helium Hydrogen Atmospheres, Mass Flow Rate, Planetary Evolution, Primitive Earth Atmosphere, Rare Gases, Gas Flow, Kinetic Theory, Mass Transfer, Solar Corona

Scientific paper

It is proposed that H2 and He escaped from the earth during the formation stage due to the effects of strong solar wind and EUV radiation after the solar nebula dissipated into the outer space. The dissipation of Ne, Ar, Kr, and Xe due to the drag effect of outflowing H2 was investigated, noting that the outflow velocity of each rare gas is expressed in terms of the rate of H2 mass flow across the spherical surface and its temperature. The rare gases were dissipated below the levels of their amounts in the present atmosphere, when the mass loss rate of H2 was much greater than 1 x 10 to the 17th g/yr.

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