Saltation transport on Mars
Eric J. R. Parteli, Hans J. Herrmann
TL;DR
This paper models saltation transport and dune formation on Mars, revealing higher grain entrainment rates than Earth and successfully reproducing observed dune features to estimate Martian wind velocities.
Contribution
It introduces the first calculation of Martian saltation transport and dune formation, incorporating a novel higher grain entrainment rate.
Findings
Grain entrainment rate on Mars is ten times higher than on Earth.
The model reproduces the size and shapes of Martian dunes.
An estimate for Martian wind velocity is provided.
Abstract
We present the first calculation of saltation transport and dune formation on Mars and compare it to real dunes. We find that the rate at which grains are entrained into saltation on Mars is one order of magnitude higher than on Earth. With this fundamental novel ingredient, we reproduce the size and different shapes of Mars dunes, and give an estimate for the wind velocity on Mars.
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