Coasts – Human Coasts – Human ActivitiesActivities

Aim: To find out why it is so important for humans Aim: To find out why it is so important for humans to protect the coastline.to protect the coastline.

Popular UK Coastal Popular UK Coastal DestinationsDestinations

Task A) Brainstorm the names of Task A) Brainstorm the names of ten popular coastal destinations in ten popular coastal destinations in the UK.the UK.

Look at the following Look at the following pictures of popular pictures of popular coastal destinations in the coastal destinations in the UK.UK.

What do you notice?What do you notice?

BrightonBrighton

Groynes

Longshore Drift inaction

BournemouthBournemouth

Remember this one for later on….Remember this one for later on….

Groynes to Prevent beach loss

Click picture for short video on Click picture for short video on Bournemouth and coastal protection 3.15Bournemouth and coastal protection 3.15

BlackpoolBlackpool

Sea walls builtto stop seaadvancing

ScarboroughScarborough

LlandudnoLlandudno

Concrete groyne

Sea wall built toStop town from

flooding

How can coasts be managed?How can coasts be managed?

There are two reasons why councils There are two reasons why councils spend so much cash on protecting the spend so much cash on protecting the coastline in certain areas…coastline in certain areas…

• First – To keep the sea out and protect First – To keep the sea out and protect homes and businesseshomes and businesses

• Secondly – To keep the beach there to Secondly – To keep the beach there to maintain the tourist trade.maintain the tourist trade.

To keep the sea out …..To keep the sea out …..

Build a sea wall to deflect the power Build a sea wall to deflect the power of the waves away from the seafront.of the waves away from the seafront.

However - Lots of maintenance However - Lots of maintenance needed and they are expensive to needed and they are expensive to build.build.

The Catch - Councils will only pay The Catch - Councils will only pay for them if there are many people and for them if there are many people and much property to defend.much property to defend.

Picture of sea wallPicture of sea wall

Area not protected and deemed Area not protected and deemed unworthy of saving.unworthy of saving.

To keep the beach there … To keep the beach there …

• Groynes and breakwaters are Groynes and breakwaters are constructed at right angles to the beachconstructed at right angles to the beach

• These trap sediment and stop longshore These trap sediment and stop longshore drift. drift.

• They also protect the beach from They also protect the beach from powerful storm waves – stopping erosion powerful storm waves – stopping erosion of beach material and cliffs. of beach material and cliffs.

BreakwaterBreakwater

Neighbours from hell …Neighbours from hell …(not quite, but equally as annoying)(not quite, but equally as annoying)

• By implementing coastal management By implementing coastal management methods, you transfer your problem and methods, you transfer your problem and multiply it for your neighbours further multiply it for your neighbours further down the coast.down the coast.

• Task: With the aid of diagrams, explain Task: With the aid of diagrams, explain how building groynes and breakwaters how building groynes and breakwaters will cause a problem for others. will cause a problem for others. (Read (Read bottom paragraph – p.68 UG)bottom paragraph – p.68 UG)

The neighbours from hell -The neighbours from hell -

BournemouthBournemouth

The VictimsThe Victims

Barton on Sea – Just down the coastBarton on Sea – Just down the coast

Click on picture Click on picture for short video for short video about Barton on about Barton on SeaSea

Case studies

Barton on Sea (Page 76 UGG + Page 240 FWW)

1. Where is it/what is happening?

2. Copy Figure 3 to show protection methods

3. How much has been spent? Was it worth it?

Holbeck Hall Hotel, Scarborough 1993(FWW Page 249 + UGG Page 75)

1. Copy the 3 diagrams

2. Describe what happened