A common alternative name for a straight longitudinal dune, as referenced, is a linear ridge.
Longitudinal dunes are fascinating geological formations shaped by wind. Based on the information provided, a straight longitudinal dune is characterized by:
- Straight crest lines: These crests are typically vegetated on Earth.
- Rounded crest.
- Planform: They can display parallel or adjoining arrangements.
Alternative Names for Straight Longitudinal Dunes
According to the reference (Pye and Tsoar 1990), the straight longitudinal dune is known by other names:
- Linear ridge: This is a widely used alternative term for this type of dune.
- Sand ridge: This term is also used, specifically mentioned as a common name in Australia.
Therefore, while "linear ridge" is a general alternative, "sand ridge" is a regional alternative used in Australia for a straight longitudinal dune.
Summary of Names
Here's a quick summary of the names associated with straight longitudinal dunes based on the reference:
| Dune Type | Alternative Name(s) | Location/Context |
|---|---|---|
| Straight Longitudinal | Linear Ridge | General |
| Straight Longitudinal | Sand Ridge | In Australia |
These formations are significant in arid and semi-arid landscapes, reflecting prevailing wind patterns over long periods.
