Features Of A Beach Flashcards
What are the features of a beach?
-low water mark (ordinary tides)
-runnels and ridges
-rip channel
-sand ripples
-high water marks
-cusps
-berm
-storm beach
-cliff face
What is the difference between ridges and runnels?
Ridges are areas of the beach that are raised
The dips are water-filled troughs called runnels
What is a rip channel?
Gap between sand on Lower end of beach that runs water down the the low water mark
What are sand ripples and how are they caused?
Waves sweep over the sand, pushing the sand along
What is a berm and how is it formed?
Berms are horizontal parallel ridges that are formed from swash, deposition from constructive waves
What is a storm beach and how is it formed?
Formed when wild stormy weather hurls boulders and rocks towards the back of a beach, creating a steep gradient to the beach profile
Do destructive waves create a steep or flat beach?
Steep
Do constructive waves create a steep or flat beach?
Flat
What are cusps? How are they formed?