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Journal article
Isotope Ratios of H, C, and O in CO2 and H2O of the Martian Atmosphere
Science (American Association for the Advancement of Science), v 341(6143), pp 260-263
19 Jul 2013
PMID: 23869013
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Stable isotope ratios of H, C, and O are powerful indicators of a wide variety of planetary geophysical processes, and for Mars they reveal the record of loss of its atmosphere and subsequent interactions with its surface such as carbonate formation. We report in situ measurements of the isotopic ratios of D/H and O-18/O-16 in water and C-13/C-12, O-18/O-16, O-17/O-16, and (CO)-C-13-O-18/(CO)-C-12-O-16 in carbon dioxide, made in the martian atmosphere at Gale Crater from the Curiosity rover using the Sample Analysis at Mars (SAM)'s tunable laser spectrometer (TLS). Comparison between our measurements in the modern atmosphere and those of martian meteorites such as ALH 84001 implies that the martian reservoirs of CO2 and H2O were largely established similar to 4 billion years ago, but that atmospheric loss or surface interaction may be still ongoing.
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Details
- Title
- Isotope Ratios of H, C, and O in CO2 and H2O of the Martian Atmosphere
- Creators
- Chris R. Webster - Jet Propulsion LaboratoryPaul R. Mahaffy - Goddard Space Flight CenterGregory J. Flesch - Jet Propulsion LaboratoryPaul B. Niles - Johnson Space CenterJohn H. Jones - University of ArizonaLaurie A. Leshin - Rensselaer Polytechnic InstituteSushil K. Atreya - University of MichiganJennifer C. Stern - Goddard Space Flight CenterLance E. Christensen - Jet Propulsion LaboratoryTobias Owen - University of Hawaiʻi at MānoaHeather Franz - Goddard Space Flight CenterRobert O. Pepin - University of MinnesotaAndrew Steele - Carnegie Institution for ScienceMSL Sci TeamJoseph Edward Bentz - Biology
- Publication Details
- Science (American Association for the Advancement of Science), v 341(6143), pp 260-263
- Publisher
- Amer Assoc Advancement Science
- Number of pages
- 4
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Biology
- Web of Science ID
- WOS:000321959300038
- Scopus ID
- 2-s2.0-84880409182
- Other Identifier
- 991021229889804721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Geochemistry & Geophysics