Biology
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja....11254s&link_type=abstract
EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #11254
Biology
Scientific paper
The concentration of water in the Martian regolith is an important parameter for many scientific domains such as geology, hydrology, astrobiology and future resource utilization. Water possesses a particular electrical signature that allows the identification of its presence among other materials, even at very low concentrations. Not only the permittivity, but also the conductivity of permafrost and water-bearing rocks depends upon the presence of water. The laboratory facility and experimental setup for experiments on Martian soil simulants are presented. Test method and planning are described, and the first experimental results are presented. The measurable water concentration thresholds are evaluated. Experimental techniques for detecting subsurface water deposits and brines from planetary landers and rovers are discussed.
Grard Rejean
Hamelin Michel
Simoes Fernando
Trautner Roland
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