Massive CO2 Ice Deposits Sequestered in the South Polar Layered Deposits of Mars

@article{Phillips2011MassiveCI,
  title={Massive CO2 Ice Deposits Sequestered in the South Polar Layered Deposits of Mars},
  author={Roger J. Phillips and Brian J. Davis and Kenneth L. Tanaka and Shane Byrne and Michael Tyler Mellon and Nathaniel E. Putzig and Robert M. Haberle and Melinda A. Kahre and Bruce A. Campbell and Lynn M. Carter and I. B. Smith and John W. Holt and Suzanne E. Smrekar and Daniel Nunes and Jeffrey J. Plaut and Anthony F. Egan and Timothy N. Titus and Roberto Seu},
  journal={Science},
  year={2011},
  volume={332},
  pages={838 - 841}
}
Radar measurements reveal a substantial buried deposit of carbon dioxide in the south pole of Mars. 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… Expand
Stratigraphy and evolution of the buried CO2 deposit in the Martian south polar cap
Observations by the Shallow Radar instrument on Mars Reconnaissance Orbiter reveal several deposits of buried CO2 ice within the south polar layered deposits. Here we present mapping thatExpand
A subsurface depocenter in the South Polar Layered Deposits of Mars
The South Polar Layered Deposits (SPLD) are one of the largest water ice reservoirs on Mars, and their accumulation is driven by variations in the climate primarily controlled by orbital forcings.Expand
The formation and stability of buried polar CO2 deposits on Mars
Abstract Shallow Radar soundings of the south polar layered deposits (SPLD) have revealed buried CO 2 ice with as many as three distinct layers separated by thinner layers of water ice (Bierson etExpand
Cold-Trapping Mars' Atmosphere
  • P. Thomas
  • Environmental Science, Medicine
  • Science
  • 2011
TLDR
The Mars Reconnaissance Orbiter has observed large deposits of frozen CO2 at Mars' southern polar region, and these are most likely composed of solid CO2 and comparable in mass to the present Mars atmosphere. Expand
Explaining Bright Radar Reflections Below The Martian South Polar Layered Deposits Without Liquid Water
Introduction Recent discoveries of anomalously bright radar reflections below the Mars South Polar Layered Deposit (SPLD) have sparked new speculation that liquid water may be present below the iceExpand
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The Shallow Radar (SHARAD) instrument on the Mars Reconnaissance Orbiter (MRO) observes a variety of recent features on Mars, including deposits of water ice at both poles and in the mid-latitudes,Expand
Characteristics of the Basal Interface of the Martian South Polar Layered Deposits
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The Rheological Behavior of CO 2 Ice: Application to Glacial Flow on Mars
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Compositional Constraints on the North Polar Cap of Mars from Gravity and Topography
The polar ice caps are the largest reservoir of water ice on Mars. The north polar ice cap is composed of the ice‐rich north polar layered deposit (NPLD) and a lower‐lying, silicate‐rich basal unitExpand
Obliquity dependence of the formation of the martian polar layered deposits
Mars' polar layered deposits (PLD) are comprised of layers of varying dust-to-water ice volume mixing ratios (VMR) that may record astronomically-forced climatic variation over Mars' recent orbitalExpand
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