Case Study : Slapton Sands Flashcards

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1
Q

How long is the shingle barrier?

A

7km

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2
Q

When was the sea wall at Torcross built?

A

1979

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3
Q

What happened to the sea wall at Torcross in 2014?

A

The wall collapsed during a storm and the beach was built up again in order to protect it

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4
Q

What was created on the beach at Slapton Sands for protection?

A

Shingle bastions

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5
Q

Why was the rock armour put in place at Beesands?

A

To try and stop the wall from being undercut and collapsing again

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6
Q

How much was spent by the South Hams council on emergency flooding funding?

A

£250,000

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7
Q

How much shingle was lost from the Slapton Line in the storms of 2000/ 2001?

A

5m from 1000m stretch of beach

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8
Q

What was initially used to protect the road after the 2000/ 2001 storm?

A

3000 tonnes of rock armour, later removed due to damage to the SSSI

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9
Q

Why was Hallsands destroyed?

A

Due to dredging of shingle in the early 20th century from the sediment cell, which is virtually closed

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10
Q

What is Slapton Line?

A

The fragile shingle bar which runs between Slapton Ley and the sea

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11
Q

Where is Slapton Sands?

A

Kinsbridge, South Devon, UK

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12
Q

Why is the shingle barrier under threat ?

A

Erosion rates are increasing

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13
Q

Where are coastal management strategies installed around the area?

A

Slapton, Torcross and Beesands

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14
Q

What defences are in place at Torcross?

A

A sea wall

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15
Q

What happened to the Torcross sea wall in 2001?

A

It was partially destroyed by a storm and large amounts of sediment were washed away

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16
Q

What happened to the Slapton Line road after the storm in 2014?

A

The worst affected section of the road was realigned

17
Q

What length of the road was realigned in 2014?

A

200m

18
Q

How much shingle was transported from the Strete Gate area to Slapton?

A

12,000 tonnes

19
Q

How effective were the shingle bastions ?

A

Only for the short term, as up to 45% was washed away in a storm in 2008

20
Q

What defences are in place at Beesands?

A

A sea wall and rock armour

21
Q

When was the rock armour put in place at Beesands?

A

2016

22
Q

How much rock was imported to build the Beesands rock armour?

A

2-4 tonnes

23
Q

What happened to the Torcross sea wall in 2016?

A

It collapsed

24
Q

How much did repairs to the wall in 2017 cost?

A

£2.4 million

25
Q

How much steel and concrete was used to reinforce the wall?

A

713 tonnes of steel and 221m^3 of concrete

26
Q

How much shingle was washed away from Torcross in 2015?

A

27,000 tonnes in 1 night

27
Q

How much did the shingle at Torcross cost?

A

£250,000

28
Q

How much sediment transport occurs on the beach at Slapton?

A

Next to none