Whirlpools Flashcards
1
Q
What are whirlpools?
A
The result of strong opposite currents (hot vs cold) colliding, or changes in landforms along the coast or under the surface.
Can also occur when the incoming tide meets the ebb of the last tide.
[ebb: the movement of the sea when it flows away from the land).
2
Q
Are whirlpools common?
A
No, they are comparatively rare and will be avoided by ships navigating through an area where they are known to exist.
Might also rarely be encountered on fast flowing rivers.
3
Q
When do whirlpools tend to occur?
A
During a particular part of the tidal flow and hence are not permanent features (like overfalls).
