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A balloon-borne UV photometer sensor package is proposed for measure atmospheric ozone on Mars. The instrument has been used on a balloon in the terrestrial stratosphere, and is possibly a Discovery Program sensor candidate. The objectives for this instrument are to observe O 3 variability with cloud and dust amount, to measure the altitude dependence of O 3 , and to measure diurnal...
The efficacy of the UV reflectance spectroscopy technique used by Mariner 9 to remotely measure ozone abundance at Mars is discussed. Due to temporal and spatial variability in cloud and dust amount, previously inferred ozone abundances could be underestimated by a factor of 3. Until the large uncertainty in cloud and dust scattering properties and opacities can be reduced, the ozone abundance inferred...
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