Intertidal Zone and Coastal Management

Question 1

What do we mean by intertidal zone?

Answer 1

Part of the shoreline between the high and low tide

Question 2

Is there a higher or lower amount of intertidal zones today than what there were in the past?

Answer 2

Lower

Question 3

Are salt marshes found in intertidal zones?

Answer 3

Yes

Question 4

Give two reasons why salt marshes are disappearing

Answer 4

1- Farmland

2- Sea erosion

Question 5

Why are the salt marshes along the Essex and the Thames gateway being eroded?

Answer 5

Land is subsiding due to isostatic recovery

Question 6

What does managed realignment aim to do?

Answer 6

It aims to create a wider intertidal zone to act as natural stores of flood water during high tide

Question 7

What managed realignment scheme did you study?

Answer 7

Medmerry in Sussex

Question 8

When was the managed realignment scheme that you studied completed?

Answer 8

2014

Question 9

What happened to the coastline you studied due to this managed retreat?

Answer 9

The coastline is now a further 2m inland than what it was

Question 10

What is a shoreline management plan?

Answer 10

It is a plan councils create to state what they are going to do with the coastline

Question 11

What three things do councils have to consider when creating a shoreline management plan?

Answer 11

• Impacts coastal defences would have on other locations
• Impacts of coastal defences on animal habitats and the environment
• Costs and benefits of the scheme

Question 12

What are the 4 different types of shoreline management?

Answer 12

• Hold the line
• Advance the line
• Managed retreat
• Do nothing

Question 13

What shoreline management plan does Sea Palling have?

Answer 13

Hold the line

Question 14

What shoreline management plan does Happisburgh have?

Answer 14

Managed retreat

Question 15

Why is coastal hazard mapping good?

Answer 15

• Gives warnings
• People know what places will be affected
• Allows emergency services to plan
• Plan building