Aeronomy of Mars lower atmosphere: Status and prospects

Details Aeronomy of Mars lower atmosphere: Status and prospects Aeronomy of Mars lower atmosphere: Status and prospects

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982esasp.185...37v&link_type=abstract

In ESA The Planet Mars p 37-46 (SEE N83-19673 09-91)

Other

Aeronomy, Carbon Dioxide, Carbon Monoxide, Mars (Planet), Planetary Atmospheres

Scientific paper

The central aeronomic problem of the Martian lower atmosphere is to account for the very low observed abundances of CO and O2 in spite of rapid CO2 photolysis by solar UV. There can be little doubt that odd hydrogen plays an important role in maintaining CO and O2 near their low abundance levels. In 1972 two models were proposed for an explanation. Very rapid downward transport of the photolysis products into the recombination region below 20 km altitude is postulated by one model, whereas the other relies on recycling of O2 and CO into CO2 catalyzed by enhanced concentrations of H2O2. Both models fit with the limited amount of available composition data for the Mars atmosphere.

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