Coasts and rivers revision

What is our example of hard engineering for rivers?

• Medmerry Coastal Realignment scheme

• Somerset Levels flooding 2013

• Jubilee Flood Relief Channel

• The Kielder Dam

The Medmerry coastal realignment is an example of...

• Advance the line

• Hold the line

• Do nothing

• Managed retreat

What is our example of coastal management?

• Sand dune regeneration at Camber Sands

• Jubilee Flood Relief Channel

• The Thames Barrier

• Medmerry Coastal Realignment Scheme

How could a constructive wave be described?

• Powerful swash

• Powerful backwash

• Steep waves

• Destroy beaches

The distance the wind blows across water is known as what?

The process whereby slightly acidic rainwater causes rocks to gradually dissolve is known as what?

• Biological weathering

• Mechanical weathering

• Salt weathering

• Chemical weathering

The 'sandpapering' effect of pebbles grinding over surfaces is known as what?

• Corrasion

• Abrasion

• Attrition

• Freeze-thaw action

Which of these terms means the 'bouncing' of particles too heavy to be suspended?

• Solution

• Suspension

• Saltation

• Traction

The movement of sediment along a beach in a characteristic 'zigzag' pattern is known as what?

• Coastal erosion

• Longshore Drift

• Saltmarsh

• Mudflat

True or False - a headland is eroded from less resistant rock?

• True

• False