Statistics – Computation
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufm.p31b0139s&link_type=abstract
American Geophysical Union, Fall Meeting 2006, abstract #P31B-0139
Statistics
Computation
0903 Computational Methods: Potential Fields (1214), 1240 Satellite Geodesy: Results (6929, 7215, 7230, 7240), 6225 Mars, 8040 Remote Sensing
Scientific paper
Analysis of gravity potential along the paleo-shorelines identified by Clifford and Parker (Icarus, 2001) suggests that the ocean was present before Tharsis rise formed. This interpretation is consistent with mineralogy inferred from data of the infrared mapping spectrometer OMEGA onboard MarsExpress. The volume of the ocean has been calculated and would represent 3 10-5 MMars, a value consistent with the idea that the amount of volatiles would come from the outgassing of the magma ocean. Estimates of the formation of Tharsis rise suggest that the ocean was stable during less than 100 My, a period during which the Sun was active in UV and would have favoured atmospheric escape. If confirmed by future missions, the existence of oceans on very early Mars has implication on the development of life and the likelihood of finding ancient life on the red planet.
Bibring J.
Couturier F.
Sotin Ch.
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