Massive CO2 ice deposits sequestered in the south polar layered deposits of Mars

Roger J. Phillips, Brian J. Davis, Kenneth L. Tanaka, Shane Byrne, Michael T. Mellon, Nathaniel E. Putzig, Robert M. Haberle, Melinda A. Kahre, Bruce A. Campbell, Lynn M. Carter, Isaac B. Smith, John W. Holt, Suzanne E. Smrekar, Daniel C. Nunes, Jeffrey J. Plaut, Anthony F. Egan, Timothy N. Titus, Roberto Seu

Research output: Contribution to journalArticle

115 Citations (Scopus)

Abstract

Shallow Radar soundings from the Mars Reconnaissance Orbiter reveal a buried deposit of carbon dioxide (CO2) ice within the south polar layered deposits of Mars with a volume of 9500 to 12,500 cubic kilometers, about 30 times that previously estimated for the south pole residual cap. The deposit occurs within a stratigraphic unit that is uniquely marked by collapse features and other evidence of interior CO2 volatile release. If released into the atmosphere at times of high obliquity, the CO2 reservoir would increase the atmospheric mass by up to 80%, leading to more frequent and intense dust storms and to more regions where liquid water could persist without boiling.

Original languageEnglish (US)
Pages (from-to)838-841
Number of pages4
JournalScience
Volume332
Issue number6031
DOIs
StatePublished - May 13 2011

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Mars
Ice
Radar
Dust
Atmosphere
Carbon Dioxide
Water

ASJC Scopus subject areas

  • General
  • Medicine(all)

Cite this

Phillips, R. J., Davis, B. J., Tanaka, K. L., Byrne, S., Mellon, M. T., Putzig, N. E., ... Seu, R. (2011). Massive CO2 ice deposits sequestered in the south polar layered deposits of Mars. Science, 332(6031), 838-841. https://doi.org/10.1126/science.1203091

Massive CO2 ice deposits sequestered in the south polar layered deposits of Mars. / Phillips, Roger J.; Davis, Brian J.; Tanaka, Kenneth L.; Byrne, Shane; Mellon, Michael T.; Putzig, Nathaniel E.; Haberle, Robert M.; Kahre, Melinda A.; Campbell, Bruce A.; Carter, Lynn M.; Smith, Isaac B.; Holt, John W.; Smrekar, Suzanne E.; Nunes, Daniel C.; Plaut, Jeffrey J.; Egan, Anthony F.; Titus, Timothy N.; Seu, Roberto.

In: Science, Vol. 332, No. 6031, 13.05.2011, p. 838-841.

Research output: Contribution to journalArticle

Phillips, RJ, Davis, BJ, Tanaka, KL, Byrne, S, Mellon, MT, Putzig, NE, Haberle, RM, Kahre, MA, Campbell, BA, Carter, LM, Smith, IB, Holt, JW, Smrekar, SE, Nunes, DC, Plaut, JJ, Egan, AF, Titus, TN & Seu, R 2011, 'Massive CO2 ice deposits sequestered in the south polar layered deposits of Mars', Science, vol. 332, no. 6031, pp. 838-841. https://doi.org/10.1126/science.1203091
Phillips RJ, Davis BJ, Tanaka KL, Byrne S, Mellon MT, Putzig NE et al. Massive CO2 ice deposits sequestered in the south polar layered deposits of Mars. Science. 2011 May 13;332(6031):838-841. https://doi.org/10.1126/science.1203091
Phillips, Roger J. ; Davis, Brian J. ; Tanaka, Kenneth L. ; Byrne, Shane ; Mellon, Michael T. ; Putzig, Nathaniel E. ; Haberle, Robert M. ; Kahre, Melinda A. ; Campbell, Bruce A. ; Carter, Lynn M. ; Smith, Isaac B. ; Holt, John W. ; Smrekar, Suzanne E. ; Nunes, Daniel C. ; Plaut, Jeffrey J. ; Egan, Anthony F. ; Titus, Timothy N. ; Seu, Roberto. / Massive CO2 ice deposits sequestered in the south polar layered deposits of Mars. In: Science. 2011 ; Vol. 332, No. 6031. pp. 838-841.
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