Costal Landscapes Flashcards
(5 cards)
1
Q
What is hydraulic action
A
The force of the waves crashing against the shore and cliffs
2
Q
What is abrasion
A
When rocks carried by the waves are thrown against the cliffs wearing away the coastline
3
Q
What is attrition
A
Rocks carried by the waves smash into each other wearing each other away creating small material to be used as erosion
4
Q
What is solution
A
Chemicals in our sea water dissolve minerals in certain rocks
5
Q
What is longshore drift
A
When the wind approaches the beach at an angle the waves (swash) transports sand up the beach at that angle
Gravity pulls waves (backwash) down the beach at 90 degrees
Over time the many waves cause sand particles to move along the beach