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Volatile tracers of Martian atmospheric evolution: Present measurement status and requirements for future investigations (1992)

Mahaffy, Paul ; Mauersberger, Konrad

In: CASI

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Publication Date: 2013-08-29

Description: One of the most significant contributions to the detailed characterization of the molecular, atomic, and isotopic composition of the Martian atmosphere came from the Viking mass spectrometer experiments. Measurement of the abundance of the noble gases Ne, Ar, Kr, and Xe, as well as major molecular species was achieved together with some of the important isotopic compositions such as N-15/N-14, Ar-36/Ar-40, and others. The isotopic characterization, a key element to an understanding of atmospheric evolution, advanced further with recent measurements of the deuterium/hydrogen (D/H) ratio from HDO as well as the detailed study of gases contained in meteorites thought to be Martian origin.

Keywords: LUNAR AND PLANETARY EXPLORATION

Type: Lunar and Planetary Inst., Workshop on the Martian Surface and Atmosphere Through Time; p 96

Format: text

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