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Can water move sediment on present-day Mars? Insights into gully formation from laboratory simulations

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Abstract

We describe experiments designed to study sediment transport by liquid water under the current low temperature and low pressure conditions on Mars. We show that water flowing over unconsolidated material on Mars causes as much erosion as water flowing under ambient terrestrial conditions, propagates faster and further and produces unique sedimentary features due to the combination of boiling and freezing.

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