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Cited by 615Planetary Science and ExplorationAstro and Planetary ScienceAtmospheric and Environmental Gas Dynamics

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Strong Release of Methane on Mars in Northern Summer 2003

Mumma, Michael J., Villanueva, Geronimo L., Novak, Robert E., Hewagama, Tilak, Bonev, Boncho P., DiSanti, Michael A., Mandell, Avi M., Smith, Michael D.·2009·Science
DOI 10.1126/science.1165243
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Abstract

Living systems produce more than 90% of Earth's atmospheric methane; the balance is of geochemical origin. On Mars, methane could be a signature of either origin. Using high-dispersion infrared spectrometers at three ground-based telescopes, we measured methane and water vapor simultaneously on Mars over several longitude intervals in northern early and late summer in 2003 and near the vernal equinox in 2006. When present, methane occurred in extended plumes, and the maxima of latitudinal profiles imply that the methane was released from discrete regions. In northern midsummer, the principal plume contained ∼19,000 metric tons of methane, and the estimated source strength (≥0.6 kilogram per second) was comparable to that of the massive hydrocarbon seep at Coal Oil Point in Santa Barbara, California.

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Metadata

Authors
Mumma, M. J., Villanueva, G. L., Novak, R. E., Hewagama, T., Bonev, B. P., DiSanti, M. A., Mandell, A. M., & Smith, M. D.
Affiliations
Goddard Space Flight Center (US)
Corresponding author
Mumma, Michael J.
ORCID
Venue
Science
Publisher
American Association for the Advancement of Science (AAAS)
Published
2009-02-20
Volume
323
Issue
5917
Pages
1041-1045
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
DOI
10.1126/science.1165243
OpenAlex
W1987622845
Cited by
615
References
35
Citations by year
2026: 12 · 2025: 14 · 2024: 21 · 2023: 21 · 2022: 16 · 2021: 32 · 2020: 21 · 2019: 59 · 2018: 36 · 2017: 30 · 2016: 40 · 2015: 32 · 2014: 27 · 2013: 53 · 2012: 61
FWCI
33.77
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
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 › Environmental Science › Global and Planetary Change › Atmospheric and Environmental Gas Dynamics
Keywords
methane plumes, Mars atmosphere, methane emissions, source strength, water vapor, methane seepage, hydrocarbon seepage
MeSH terms
Extraterrestrial Environment, Methane, Seasons, Spectrum Analysis, Steam, Mars

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