10.8 Beaches Flashcards
(9 cards)
1
Q
What are the types of depositional features found along the coastline
A
- beach
- sand dunes
- spit
- bar
2
Q
What is a beach profile
A
Gradient of the beach from the back to the sea
3
Q
Give some examples of sandy beaches in England
A
Walton on the Naze, Essex, Sandbanks, Poole, Dorset
4
Q
What are the characteristics of sandy beaches
A
- almost flat, constructive waves create sand dunes
- sheltered bays
- rippled sand
- sediment slowly but constantly moved up the beach
5
Q
Give some examples of pebble beaches
A
- Brighton
- chests beach, Dorset
6
Q
Give the characteristics of pebble beaches
A
- destructive, plunging waves
- exposed (little protection from headlands or bays)
- large fetch (stronger waves hitting the coast)
- steep, stepped profile because pebbles are not moved far up the beach, unless there are storm conditions
7
Q
What is a berm
A
Step or terrace on the beach
8
Q
What does a summer beach look like
A
summer waves deposit sand from offshore bars onto the beach, widening it and increasing its elevation
9
Q
What does a winter beach look like
A
- Stronger waves with more energy pick up the particles deposited in the summer and carry them back offshore in bars, narrowing the beach
- berms are eroded
