Mathematics
Scientific paper
Sep 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992e%26psl.113..251t&link_type=abstract
Earth and Planetary Science Letters (ISSN 0012-821X), vol. 113, no. 1-2, p. 251-266.
Mathematics
17
Atmospheric Composition, Carbon Cycle, Geochronology, Planetary Evolution, Primitive Earth Atmosphere, Degassing, Digital Simulation, Earth Mantle, Mathematical Models, Precambrian Period, Sea Floor Spreading
Scientific paper
The evolution of proto-CO2 atmosphere on the earth is investigated using a global carbon cycle model described by Tajika and Matsui (1990) coupled with the history of the thermal evolution of the earth mantle. Numerical simulations suggest that the amount of surface carbon at the present time is in a steady state and that the surface carbon might have been circulated between surface reservoirs and the mantle once or twice after the Archean. Results suggest that the CO2 in the protoatmosphere on the earth has decreased with the growth of continents, resulting in stabilization of the terrestrial environment against the increase in solar luminosity, as was proposed earlier by Tajika and Matsui.
Matsui Takafumi
Tajika Eiichi
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