Sediment Cells

Question 1

Name 3 places sediment comes from.

Answer 1

(Any 3 of these 5)
Streams or rivers flowing to sea
Estuaries
Cliff erosion
Offshore sand banks
Material from biological origin - shells, fragmented coral, skeletons and carcases from marine organsims.

Question 2

How many sediment cells does the UK and Wales have?

Answer 2

11.

Question 3

Would sediment cells be considered open or closed systems?

Answer 3

Closed. However fine sediments do find their way over borders.

Question 4

What can define the borders to sediment cells?

Answer 4

Distinct headlands and deep troughs of water.

Question 5

What is a coastal sediment budget?

Answer 5

The balance between sediment being added and removed from the system.

Question 6

Does a net accreation of material cause a poitive budget or a negative budget?

Answer 6

Positive budget.

Question 7

If shorelines retreat landwards, would this be considered a positive or a negative budget?

Answer 7

Negative budget.