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Dune fields on Mars: Recorders of a climate change?

Authors
  • Emilie, Gardin
  • Pascal, Allemand
  • Cathy, Quantin
  • Simone, Silvestro
  • Christophe, Delacourt
Type
Published Article
Journal
Planetary and Space Science
Publisher
Elsevier
Publication Date
Oct 24, 2011
Source
SETI Institute
License
Unknown

Abstract

Dunes have similar morphologies on the Earth and Mars. The main differences between Martian and terrestrial dunes are their size, which is larger on Mars, and their duration of formation, which is longer on Mars. As the characteristic time of Martian dunes is in the same order as that of the Martian climatic oscillations, Martian dunes could be recorders of past winds regimes and past climates. In order to test this hypothesis, we performed a morphological study of 550 dune fields with high resolution images and we inferred the ...

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