Formation of a Bar

Question 1

1) A bar is created when there is a gap in the coastline and the material crosses TMT

Answer 1

it will build up sand and gravel, creating a bar between two headlands.

Question 2

2) Longshore drift occurs TMT

Answer 2

material is transported along the beach. TIB the waves crash along the beach due to the prevailing wind.
This is called Swash.

Question 3

3) The waves pull back down TMT

Answer 3

the material is carried at a 45oC angle. this is called backwash.

Question 4

4) Bars form in sheltered and calm areas, TIB

Answer 4

the waves use energy and the material deposited will build up.

Question 5

eg)

Answer 5

Loe Bar, Helston