One of a series of long, narrow dunes lying parallel both to each other and to the prevailing wind direction. Longi-tudinal dunes range from 60 meters to 100 kilometers in length and from 3 to 50 meters in height.
A long, narrow sand dune that has its long dimension oriented parallel to the direction of the wind.
An elongate sand dune oriented in the direction of the prevailing wind.
A long dune parallel to the direction of the prevailing wind.