What can stabilize tombolos and cuspsate forelands?
9GE01 - 3.3 - Longshore Trips

Quiz
•
Geography
•
10th Grade
•
Medium

Geography Geography
Used 2+ times
FREE Resource
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Urban development
Vegetation
Offshore drilling
Artificial reefs
Answer explanation
Vegetation can stabilize tombolos and cuspsate forelands by reducing erosion, promoting sediment accumulation, and providing habitat for other stabilizing organisms.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the angle at which swash is most efficient for longshore drift?
90°
45°
30°
60°
Answer explanation
A 30° angle is most efficient for longshore drift as it maximizes the movement of sediment along the coast without causing excessive erosion or deposition.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which type of wave movement results in the most deposition?
Destructive waves
Constructive waves
Refracted waves
Orthogonal waves
Answer explanation
Constructive waves result in the most deposition by depositing sediment on the shore due to their strong swash and weak backwash.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the direction of sediment transport in a drift aligned coast?
Perpendicular to the shoreline
Parallel to the wave crests
In the direction of the prevailing wind
At 90° to the wave orthogonals
Answer explanation
Sediment transport in a drift-aligned coast occurs in the direction of the prevailing wind, influencing the movement of sediment along the shoreline.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What causes the backwash to move out perpendicular to the shoreline in a drift aligned coast?
Wave refraction
Marine transgression
Gravity
Prevailing wind
Answer explanation
In a drift-aligned coast, the backwash moves out perpendicular to the shoreline due to gravity pulling the water back towards the ocean.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the result of wave refraction around headlands?
Wave energy converging on headlands
Wave energy diverging in bays
Limited longshore movement
Both A and B
Answer explanation
Wave refraction around headlands results in wave energy converging on headlands and diverging in bays, leading to limited longshore movement. Therefore, the correct answer is both A and B.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What happens to the transport of material when interference occurs?
The transport of material continues in the same direction
The transport of material is accelerated
The transport of material is stopped or changed
The transport of material is unaffected
Answer explanation
When interference occurs, the transport of material is stopped or changed, affecting the movement of the material.
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