Features and types of sand dunes Flashcards
1
Q
What are ridges
A
Lines of dunes parallel to the coast
2
Q
What are Stacks
A
Hollows found between the dune ridges
3
Q
What are Grey dunes
A
Older dunes where decomposing organic matter creates a humus layer on surface making the dunes appear grey
4
Q
What are yellow dunes
A
Younger dunes with no humus layer
5
Q
What are embryo dunes
A
Youngest dunes in the early stages of formation
6
Q
What are fore dunes
A
Dune ridges closest to the sea
7
Q
What are fixed dunes
A
Older dunes established with vegetation which are unlikely to change
8
Q
What are blow outs
A
An area of dune that has been eroded by the wind. Often this is due to its protective cover being removed by human or animal activity.
