topic 1 Flashcards

1
Q

What is the definition of a coast?

A

The area where land meets the sea.

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2
Q

True or False: Coasts are dynamic environments that change over time.

A

True

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3
Q

What are the two main types of coastal processes?

A

Erosional processes and depositional processes.

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4
Q

Fill in the blank: The __________ is the boundary between the land and sea.

A

coast

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5
Q

What is longshore drift?

A

The movement of sediment along the coast by wave action.

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6
Q

Name one human activity that impacts coastal environments.

A

Urban development.

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7
Q

What is a wave?

A

A disturbance that transfers energy through water.

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8
Q

True or False: Tides are caused by the gravitational pull of the moon and the sun.

A

True

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9
Q

What are tides?

A

The regular rise and fall of sea levels caused by gravitational forces.

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10
Q

What does erosion refer to in coastal geography?

A

The process of wearing away rock and soil from the coastline.

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11
Q

Define ‘fetch’ in the context of waves.

A

The distance over water that the wind blows in a single direction.

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12
Q

What are sea cliffs?

A

Steep rock faces formed by coastal erosion.

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13
Q

Multiple Choice: Which of the following is NOT a type of coastal landform? A) Beach B) Cliff C) Mountain D) Spit

A

C) Mountain

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14
Q

What is a spit?

A

A narrow landform extending into the sea, formed by sediment deposition.

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15
Q

True or False: Coastal management aims to protect and preserve coastal environments.

A

True

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16
Q

What is the primary cause of coastal erosion?

A

Wave action and currents.

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17
Q

Fill in the blank: __________ is the process by which sediments are added to a landform.

A

Deposition

18
Q

What is a barrier island?

A

A coastal island that protects the mainland from waves and storms.

19
Q

Name one natural factor that influences coastal processes.

A

Wave energy.

20
Q

What is coastal flooding?

A

The inundation of coastal areas due to high tides or storm surges.

21
Q

Multiple Choice: Which of the following is a type of coastal erosion? A) Hydraulic action B) Sedimentation C) Deposition D) Longshore drift

A

A) Hydraulic action

22
Q

What is the role of vegetation in coastal areas?

A

To stabilize the soil and reduce erosion.

23
Q

True or False: The UK has a predominantly rocky coastline.

24
Q

What is the importance of coral reefs in coastal ecosystems?

A

They provide habitat, protect shorelines, and support biodiversity.

25
What is a wave-cut platform?
A flat area of rock left behind as waves erode the base of a cliff.
26
What are salt marshes?
Coastal wetlands that are flooded and drained by salt water brought in by the tides.
27
Fill in the blank: __________ are formed by the accumulation of sand and sediment along the coastline.
Beaches
28
What is the purpose of sea walls?
To protect the coast from wave erosion.
29
What is the difference between hard and soft engineering in coastal management?
Hard engineering uses solid structures to protect the coast, while soft engineering uses natural processes.
30
True or False: Estuaries are areas where freshwater meets saltwater.
True
31
What is sediment deposition?
The process by which materials are laid down in a new location.
32
What does 'coastal zoning' refer to?
The division of coastal areas into zones for specific uses or protections.
33
Multiple Choice: Which of the following is a characteristic of a constructive wave? A) High energy B) Low frequency C) Steep slope D) Short wavelength
B) Low frequency
34
What is an example of a coastal management strategy?
Beach nourishment.
35
What does the term 'coastal retreat' mean?
The landward movement of the coastline due to erosion.
36
Fill in the blank: __________ is the gradual increase in sea levels due to climate change.
Sea level rise
37
What is a coastal ecosystem?
A biological community found in coastal areas that includes various species and habitats.
38
What are the main components of a coastal system?
Inputs, processes, outputs, and stores.
39
True or False: Coastal areas are often rich in biodiversity.
True
40
What is the impact of climate change on coastlines?
Increased erosion, flooding, and habitat loss.