15 Questions
What is the primary factor that affects the direction and strength of longshore currents?
Wind
What is the result of a wave breaking at an acute angle on another wave or the beach?
An increase in the velocity of the longshore current
What is the primary function of longshore transport?
To move sand and sediment parallel to the coastline
What is the relationship between longshore drift and longshore transport?
Longshore drift is a factor that enables longshore transport to take place
What is the result of a strong longshore current on swimmers?
It makes it difficult for swimmers to return to shore
What is the term for the water carried onshore by waves?
Swash
What is the direction of swash as it arrives onshore?
At an angle to the shoreline
What is the result of the combination of swash and backwash on the beach?
A continuous deposit of sand in a zigzag pattern
What is the primary force responsible for the movement of backwash into the ocean?
Gravity
What is the relationship between beach drift and longshore current?
Beach drift and longshore current work together to create longshore transport
What is the primary direction of movement of a longshore current?
Parallel to the shoreline
What is another term used to describe a longshore current?
Littoral current
What happens when waves from further out to sea meet the longshore current?
They form a rip current
What factor does NOT influence the longshore current?
Distance from the equator
What is the result of a strong longshore current meeting a rip current?
A dangerous situation for swimmers
Learn about longshore currents, also known as littoral currents, and how they differ from other types of ocean currents. Understand their impact on shorelines and the transportation of water, sand, and sediment.
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