Marine Erosion Flashcards
1
Q
What are the two types of waves
A
Constructive
Destructive
2
Q
What type of waves do we have in summer
A
Constructive
3
Q
What type of waves do we have in winter
A
Destructive
4
Q
Give 4 characteristics of constructive waves
A
Small waves
Fewer waves per minute
Beach has a gentle slope
Sandy beaches
5
Q
Give 5 characteristics of destructive waves
A
Big waves More waves per minute Sand is larger or more coarse Beach is much steeper Coarse sand or rocky beaches (Shingle beaches)
6
Q
Look in book for deposition features
A
.
7
Q
Give 7 marine deposition features
A
Wave Refraction Longshore Drift Beach Migration Sand Bank - Spit Recurved Spit Tidal inlet - lagoon becomes full or spit erodes Baymouth Bar
8
Q
What is a tombolo
A
A bar of sand that links an island with the land due to sand deposition
9
Q
What have been created to stop beach migration
A
Piers and Groynes
10
Q
Name 6 things associated with coastal erosion
A
Notch Sea Cave Arch Stack Stump Wave Cut platform
