Slapton Flashcards

1
Q

Location

A

The Start Bay coastline is a sediment sub-cell on the South coast of England.
15 miles long.

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2
Q

Erosion

A

Hydraulic power, wave quarrying, solution, and abrasion are most obvious on Southern coast, because it is the windward side.

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3
Q

Wind

A

South-west wind leads to longshore drift northwards.

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4
Q

Materials

A

Offshore currents cycle material from the north back to the south. The sediment sub-cell has a closed nature.

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5
Q

Storm winds

A

Have come from the north east. High levels of erosive energy. Damaged defences and caused flooding.

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6
Q

Landforms

A

Largest – 4km barrier beach formed by marine transgression.
Slapton Ley – Freshwater lagoon
Skerries Bank – large sediment store that helps the movement of sediment around the sub-cell
Dancing Beggars – stacks to the North

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7
Q

Torcross sea wall

A

Built in 1979. Reinforced and extended over time. Only high-value areas are protected (Torcross + Beesands) after cost-benefit analysis.

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8
Q

Sea walls

A

Over Torcross and Beesands. Protected by rock armour.

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9
Q

2014

A

5 shingle bastions built to reduce LSD and erosion. INEFFECTIVE. Were eroded soon.

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10
Q

2015

A

250,000 tonnes of shingle moved from Strete to Torcross. INEFFECTIVE. Washed away in a storm.

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11
Q

2001

A

Road first damaged in 2001. Managed realignment has moved the road inland twice. INEFFECTIVE. Not a long-term solution.

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