Sediment transport

Question 1

What are constructive waves?

Answer 1

Low energy waves
Swash>backwash

Question 2

What are destructive waves?

Answer 2

High energy waves
Backwash>swash

Question 3

What are swash aligned beaches?

Answer 3

Swash dominates
Sediment is deposited on the beach
Shallow beaches

Question 4

What is marine transgression?

Answer 4

Higher sea levels
Land moves higher
Land gets inundated

Question 5

What is a drift aligned beach?

Answer 5

Long shore drift
Deposits the sediment at an angle to the beach

Question 6

What is deposition?

Answer 6

Wave traveling carrying sediment
Sediments can disrupted
Either affects wave energy or wave angle
Sediment is deposited

Question 7

What is a spit?

Answer 7

Long shore drift occurs
Wave loses energy
Sediment is transported outwards

(Spurn head)

Question 8

Bayhead beach

Answer 8

Beaches that form in between a bay

Question 9

Offshore bar

Answer 9

A piece of sand found offshore
Destructive wave transports sediment via LSD
Wave enters low energy environment
Sediment is deposited in a submerged bar