Computer Science – Sound
Scientific paper
May 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agusm.p51a..01s&link_type=abstract
American Geophysical Union, Spring Meeting 2004, abstract #P51A-01
Computer Science
Sound
2487 Wave Propagation (6934), 3672 Planetary Mineralogy And Petrology (5410), 5109 Magnetic And Electrical Properties, 5144 Wave Attenuation, 6969 Remote Sensing
Scientific paper
The Mars Exploration Program has identified the search for subsurface water on Mars as a key investigation towards understanding the hydrologic and geologic history of the planet and for identifying potential environments for the survival of primitive life forms. During the coming decade, a variety of geophysical tools will be used to address this task in an effort to reduce the ambiguities concerning the state, distribution and total abundance of water within the Martian crust. Over the next decade, this search for water will involve as many as three different radar sounding instruments, operating over a combined frequency range of 0.5 MHz - 1 GHz. The ability of these radars to detect and identify the presence of liquid water will and further subsurface features strongly depend on the physical properties, mineralogy and thermal structure of the Martian subsurface, especially by the way in which these properties influence the electrical and magnetic characteristics of the crust. Our understanding of the data returned by such investigations, will benefit from geophysical studies of terrestrial analog environments, such as the arctic, volcanic terrains and arid deserts. An important complement to these field investigations will be the electromagnetic characterization of rock and soil samples retrieved from these analog sites, mineralogical matches to the composition of the Martian regolith inferred from orbital and landed investigations, and the SNC meteorites.
Arcone Steve
Heggy Essam
Stephen C.
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