The escape of solar-wind carbon from the moon

Details The escape of solar-wind carbon from the moon The escape of solar-wind carbon from the moon

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976lpsc....7..493h&link_type=abstract

In: Lunar Science Conference, 7th, Houston, Tex., March 15-19, 1976, Proceedings. Volume 1. (A77-34651 15-91) New York, Pergamon

Computer Science

Atmospheric Models, Carbon, Ion Implantation, Lunar Atmosphere, Lunar Soil, Solar Wind, Abundance, Carbon Dioxide, Carbon Monoxide, Escape, Methane

Scientific paper

About 8 tons of solar-wind carbon is implanted in the lunar soil each year. This inflow is adequate to supply the present regolith carbon abundance (about 100 ppm) in 1-m thickness of soil per billion years. However, the present meteor flux is only capable of mixing to a depth of 10 cm over a billion-year period. As a result, soil mixing cannot act to assimilate the total influx of carbon in the soil. It is necessary that most of the carbon influx be balanced by escape. Model atmospheres for three candidate gases, CH4, CO, and CO2, have been computed. Each model is sized to provide the needed escape rate.

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