Saltation impact as a means for raising dust on Mars

  title={Saltation impact as a means for raising dust on Mars},
  author={Ronald Greeley},
Experiments were conducted under atmospheric pressures appropriate for Earth and Mars to determine the e,ciency of sand in saltation as a means for raising dust into the atmosphere under wind speeds which would otherwise be too low for dust entrainment. Experiments involving intimate mixtures of sand and dust (1:1 ratio by mass) showed that after an initial .urry of activity of a few seconds duration, the bed stabilized with little movement of either sand or dust. In contrast, sands set into… CONTINUE READING


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