Depositional Landforms Flashcards
1
Q
What are the four favourable conditions for the growth of a spit/bar?
A
- Change in direction of coastline
- Plentiful load
- LSD
- CW
2
Q
What is a spit?
A
Attached to land at one end, and finishes in a sea - composed of sand
3
Q
What is a tombolo?
A
They develop when a spit joins an island to the mainland
4
Q
When does a bar occur?
A
When there is a change in coastal direction but no river estuary to break the sequence of sedimentation along the spit - sheltered area
5
Q
What is a barrier beach?
A
Elongated bank of sand lying parallel to the coastline and not submerged by incoming tides
6
Q
What is an offshore bar?
A
Submerged ridges of sand created by waves offshore from the coast
