Currents Flashcards
1
Q
What does the term current refer to?
A
The permanent or seasonal movement of surface water in the seas and oceans
2
Q
When do longshore currents occur?
A
As most waves do not hit the coastline head on but approach at an angle
3
Q
What do longshore currents generate?
A
A flow of water running parallel to the shoreline
4
Q
What are rip currents?
A
Strong currents moving away from the shoreline
5
Q
When do rip currents develop?
A
When seawater is piled up along the coastline by incoming waves
6
Q
What is upwelling?
A
The movement of cold water from deep in the ocean towards the surface