WISDOM GPR investigations in a Mars-analog environment during the SAFER rover operation simulation

Abstract : The WISDOM (Water Ice Subsurface Deposits Observations on Mars) Ground Penetrating Radar has been selected to be onboard the ExoMars 2018 rover mission [1]. This instrument will investigate the Martian shallow subsurface and provide the geological context of the mission, by characterizing the subsurface in terms of structure, stratigraphy and potential buried objects. It will also quantify the geoelectrical properties of the medium, which are directly related to its nature, its water or salts content and its hardness [2]. WISDOM data will provide important clues to guide the drilling operations to location of potential exobiological interest. A prototype available in LATMOS, France, is currently tested in a wide range of natural environments. In this context, the WISDOM team participated in the SAFER (Sample Acquisition Field Experiment with a Rover) field trial that occurred from 7th to 13th October 2013 in the Atacama Desert, Chile. Designed to gather together scientists and engineers in a context of a real Martian mission with a rover, the SAFER trial was the opportunity to use three on-board ExoMars instruments, namely CLUPI (Close-UP Imager), PANCAM (Panoramic Camera) and WISDOM, to investigate the chosen area. We present the results derived from WISDOM data acquired over the SAFER trial site to characterize the shallow subsurface of the area.
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Sophie Dorizon, Valérie Ciarletti, D. Plettemeier, André-Jean Vieau, W.-S. Benedix, et al.. WISDOM GPR investigations in a Mars-analog environment during the SAFER rover operation simulation. European Planetary Science Congress 2014, Sep 2014, Cascais, Portugal. pp.EPSC2014-559. ⟨hal-01121084⟩

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