A striking picture of longitudinal dunes stretching across miles
of Egyptian desert in this false color rendition of a side looking radar image.
The dunes elongate with the prevailing wind direction.
Image courtesy of NASA .
Wind Regime: As the wind direction
rose diagram indicates, these dunes occur in wind environments with a small amount of directional variability and
one predominant wind direction. Sand rose is for the annual wind regime of linear dunes in Mauritania.
Wind Rose from Fryberger and Dean (1979)
Try it in the Simulator
For Longitudinal Dunes Try These Simulator Settings:
Sand Cover: A low
value such as 10%
Prevailing Wind Direction:
Any value, we suggest using 225o.