On the effect of mid-air collisions on aeolian saltation

M. Sørensen, Ian McEwan

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

The effect of mid-air collisions on aeolian saltation is investigated using concentration profiles and grain velocities predicted by a numerical saltation model. The probability of a mid-air collision is found to be greater at high wind speeds. It is also found that mid-air collisions tend to reduce the number of grain/bed impacts and thus reduce the number of ejecta near the bed; this, in turn, reduces the intensity of mid-air collisions. It is suggested that this feed-back mechanism significantly influences transport rates at high wind speeds.
Original languageEnglish
Pages (from-to)65-76
Number of pages12
JournalSedimentology
Volume43
Issue number1
DOIs
Publication statusPublished - 1 Feb 1996

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