The impact process in aeolian saltation: two‐dimensional simulations


Journal Article

ABSTRACT A critical event in the trajectory of a sand grain saltating in air is its interaction with the surface. We examine the phenomenon of grain‐bed impacts in two dimensions using a combination of dynamical computer simulations, analytical models and physical reasoning. The results indicate that the grain‐bed collisions can be treated as two‐body collisions with the bed particle assuming an effective mass greater than its true mass. Also, the presence of geometrical surface irregularities has a strong bearing on the interaction between saltating and surface grain populations, as well as on the formation of small‐scale bedforms. Copyright © 1988, Wiley Blackwell. All rights reserved

Full Text

Duke Authors

Cited Authors


Published Date

  • January 1, 1988

Published In

Volume / Issue

  • 35 / 2

Start / End Page

  • 189 - 196

Electronic International Standard Serial Number (EISSN)

  • 1365-3091

International Standard Serial Number (ISSN)

  • 0037-0746

Digital Object Identifier (DOI)

  • 10.1111/j.1365-3091.1988.tb00944.x

Citation Source

  • Scopus