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Non-linear flow modelling of a Martian Lobate Debris Apron

  • Louise Steffensen Schmidt (a1), Christine Schøtt Hvidberg (a2), Jung Rack Kim (a3) and Nanna Bjørnholt Karlsson (a4) (a5)

Abstract

The Martian mid-latitudes contain numerous small water-ice deposits, collectively termed viscous flow features (VFFs). The shape and topography of the deposits contain information on their past flow history and formation process. In order to access this information, it is imperative to get information on their deformational properties. Here we use a high-resolution digital topography map and ice-penetrating radar data in combination with an inverse method to constrain the deformational properties of a lobate debris apron, a class of VFF, in the southern hemisphere of Mars. We find that while the creep parameter and accumulation rates are not well constrained in absolute values, their ratio is robust. We also find that the creep exponent is most likely n ≤ 3.

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Copyright

This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.

Corresponding author

Author for correspondence: Louise Steffensen Schmidt, E-mail: lss7@hi.is

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Keywords

Non-linear flow modelling of a Martian Lobate Debris Apron

  • Louise Steffensen Schmidt (a1), Christine Schøtt Hvidberg (a2), Jung Rack Kim (a3) and Nanna Bjørnholt Karlsson (a4) (a5)

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