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Cited by 331Planetary Science and ExplorationAstro and Planetary ScienceGroundwater and Isotope Geochemistry

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Strong water isotopic anomalies in the martian atmosphere: Probing current and ancient reservoirs

Villanueva, G. L., Mumma, M. J., Novak, R. E., Käufl, H. U., Hartogh, P., Encrenaz, T., Tokunaga, A., Khayat, A., Smith, M. D.·2015·Science
DOI 10.1126/science.aaa3630
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Abstract

We measured maps of atmospheric water (H2O) and its deuterated form (HDO) across the martian globe, showing strong isotopic anomalies and a significant high deuterium/hydrogen (D/H) enrichment indicative of great water loss. The maps sample the evolution of sublimation from the north polar cap, revealing that the released water has a representative D/H value enriched by a factor of about 7 relative to Earth's ocean [Vienna standard mean ocean water (VSMOW)]. Certain basins and orographic depressions show even higher enrichment, whereas high-altitude regions show much lower values (1 to 3 VSMOW). Our atmospheric maps indicate that water ice in the polar reservoirs is enriched in deuterium to at least 8 VSMOW, which would mean that early Mars (4.5 billion years ago) had a global equivalent water layer at least 137 meters deep.

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Crossref · 10.1126/science.aaa3630

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  • Most estimates place the early Martian water inventory below a few hundred meters GEL.

    “Although the uncertainty is considerable, most estimates place the early Martian water inventory below a few hundred meters GEL.”

    From The Climate of Early Mars (2016) · cites this paper as Villanueva et al. 2015

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Metadata

Authors
Villanueva, G. L., Mumma, M. J., Novak, R. E., Käufl, H. U., Hartogh, P., Encrenaz, T., Tokunaga, A., Khayat, A., & Smith, M. D.
Affiliations
  • Goddard Space Flight Center (US)
  • Iona College (US)
  • European Southern Observatory (DE)
  • Max Planck Society (DE)
  • Observatoire de Paris (FR)
  • University of Hawaiʻi at Mānoa (US)
Corresponding author
Villanueva, G. L.
ORCID
Venue
Science
Publisher
American Association for the Advancement of Science (AAAS)
Published
2015-04-10
Volume
348
Issue
6231
Pages
218-221
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
DOI
10.1126/science.aaa3630
OpenAlex
W1988536722
Cited by
331
References
1
Citations by year
2026: 18 · 2025: 17 · 2024: 28 · 2023: 23 · 2022: 23 · 2021: 30 · 2020: 33 · 2019: 56 · 2018: 30 · 2017: 28 · 2016: 28 · 2015: 15
FWCI
19.16
Type
journal article
Language
en
Open access
closed
Licence
www.sciencemag.org/about/science-licenses-journal-article-reuse (vor, 366 d)
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
  • NSF Research in Undergraduate Institutions (AST 0805540)
  • NASA Keck PI Data Award
Topics
  • Physical Sciences › Earth and Planetary Sciences › Space and Planetary Science › Planetary Science and Exploration
  • Physical Sciences › Earth and Planetary Sciences › Space and Planetary Science › Astro and Planetary Science
  • Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Groundwater and Isotope Geochemistry
Keywords
Mars atmosphere, stable water isotopes, deuterium/hydrogen ratio, HDO, water loss, early Mars
MeSH terms
Atmosphere, Deuterium, Extraterrestrial Environment, Ice, Water, Deuterium Oxide, Mars, Evolution, Planetary

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