Surface oxidation - A major sink for water on Mars

Details Surface oxidation - A major sink for water on Mars Surface oxidation - A major sink for water on Mars

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976sci...192..138h&link_type=abstract

Science, vol. 192, Apr. 9, 1976, p. 138, 139.

Mathematics

Logic

Atmospheric Moisture, Mars Atmosphere, Mars Surface, Oxidation, Astronomical Models, Hydrogen, Oxygen, Polar Caps, Surface Reactions

Scientific paper

Surface oxidation irreversibly removes both oxygen and hydrogen from the Martian atmosphere at a rate of 10 million-100 billion per square centimeter per second. This rate corresponds to a net loss of 100 to 100,000 grams per square centimeter of H2O, if it is assumed that the loss rate is uniform over geologic time. Heretofore, exospheric escape was considered to be the principal irreversible sink for H2O, but the loss rate was estimated to be only 100 million per square centimeter per second. It is possible that surface oxidation may have had a minor effect on the supply of H2O in the regolith and polar caps.

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