Grott, M. and Richter, L. and Spohn, T. and Wieczorek, M. (2008) Accessing the Martian subsurface - Science return from the Heat Flow and Physical Properties Package (HP<sup>3</sup>). European Geosciences Union - General Assembly, 2008-04-13 - 2008-04-18, Vienna (Austria).
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The Heat flow and Physical Properties Package (HP<sup>3</sup>) is part of the Humboldt payload for ESA’s upcoming ExoMars mission and consists of an instrumented mole system, a self-penetrating probe designed to penetrate up to 5 m into the martian regolith. This experiment will for the first time access the martian subsurface and allow for a depth resolved measurement of the physical, thermal, and electrical soil properties. From these measurements, the regolith thermal structure, density, stratigraphy and volatile content will be determined. Furthermore, the combination of these measurements will allow for a determination of the planetary heat flow, a key quantity quantifying the thermal state of the planet. We will show how the science output of the experiment would benefit from multiple realizations of the measurements at different landing sites and that the experiment should therefore also be considered as part of upcoming geophysical network missions.We will address the instrument measurement requirements and give an overview of how the proposed measurements will improve our knowledge of the martian thermal evolution, the characterization of the near surface layers and interior-surface interactions.
|Document Type:||Conference or Workshop Item (Speech)|
|Title:||Accessing the Martian subsurface - Science return from the Heat Flow and Physical Properties Package (HP<sup>3</sup>)|
|In ISI Web of Science:||No|
|Series Name:||Geophysical Research Abstracts|
|Keywords:||Mars; HP3; Humboldt; ExoMars; mole, penetrator; geophysical network|
|Event Title:||European Geosciences Union - General Assembly|
|Event Location:||Vienna (Austria)|
|Event Type:||international Conference|
|Event Dates:||2008-04-13 - 2008-04-18|
|Organizer:||European Geosciences Union|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W EW - Erforschung des Weltraums|
|DLR - Research area:||Space|
|DLR - Program:||W EW - Erforschung des Weltraums|
|DLR - Research theme (Project):||W - Vorhaben Vergleichende Planetologie (old)|
|Institutes and Institutions:||Institute of Planetary Research > Planetary Physics|
|Deposited By:||Stefanie Hempel|
|Deposited On:||29 Apr 2008|
|Last Modified:||27 Apr 2009 12:54|
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