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

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

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011sci...332..838p&link_type=abstract

Science, Volume 332, Issue 6031, pp. 838- (2011).

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Scientific paper

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.

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