Geo Revision: Coastal Processes and Landforms

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Questions and Answers

Which of the following is NOT a primary reason people live near the coast?

Recreational opportunities
Fertile agricultural land (correct)
Access to trade routes
Scenic views

Hydraulic action is a type of weathering, not erosion.

False (B)

Define the term 'fetch' in the context of coastal geography.

The uninterrupted distance over which wind blows to create waves.

__________ are coastal structures built perpendicular to the shoreline to trap sediment and widen beaches.

Groynes Signup and view all the answers

Match the following erosion processes with their descriptions:

Hydraulic action = Force of water against the coast Solution = Dissolving of rocks by water Erosion = Wearing away of land by natural forces Signup and view all the answers

What is the primary risk associated with coastal erosion?

Damage to infrastructure and property (B) Signup and view all the answers

Headlands are always composed of soft rock, making them easily eroded.

False (B) Signup and view all the answers

What are the two key components that should be included in a headland diagram?

Headland and bay Signup and view all the answers

waves build up beaches, while waves erode them.

Constructive, destructive Signup and view all the answers

Match the wave type with its defining characteristic:

Constructive waves = Strong swash, weak backwash Destructive waves = Weak swash, strong backwash Signup and view all the answers

Which statement best describes the difference between constructive and destructive waves?

Constructive waves deposit sediment, while destructive waves erode sediment. (A) Signup and view all the answers

Hard engineering strategies are generally more environmentally friendly than soft engineering strategies.

False (B) Signup and view all the answers

Name one advantage and one disadvantage of using hard engineering strategies for coastal defense.

Advantage: Provides immediate protection; Disadvantage: Can be expensive and environmentally damaging. Signup and view all the answers

__________ drift is the movement of sediment along the coastline by wave action.

Longshore Signup and view all the answers

Match the coastal landform with its definition:

Spit = Ridge of sand or shingle extending from the coast into the sea Bar = Ridge of sand or shingle that connects two areas of land to the mainland Lagoon = A body of water separated from the ocean by a coastal landform. Signup and view all the answers

How does erosion and deposition most directly change the shape of coasts?

Creating and destroying coastal landforms (B) Signup and view all the answers

All plant species can effectively stabilize sand dunes.

False (B) Signup and view all the answers

Name two types of deposits that can be found on the coast.

Spit, bar Signup and view all the answers

A __________ is a ridge of sediment connecting an island to the mainland.

Tombolo Signup and view all the answers

Match the deposition with its definition:

Tombolo = A ridge of sediment connecting an island to the mainland. Lagoon = A body of water separated from the ocean by a coastal landform. Signup and view all the answers

Flashcards

What is the coast?

The area where the land meets the sea.

Hydraulic Action

The sheer power of water smashing against the rocks.