Coasts Key Terms (part 3: management)

Aesthetically pleasing means...

• Nice looking

• Cheap to maintain

• Unlikely to cause conflict

• Makes people laugh

Which one of these is the softest rock?

• Limestone

• Boulder clay

• Granite

• Obsidian

Managed retreat means

• Choosing which parts of the coast to let erode without defences

• Moving the coastal settlements inland at an even rate

• Zoning the coastline so only farms and holiday homes are on eroding cliffs

• Paying residents to move further inland

'Hold the line' means...

• Allowing the coastline to erode

• Only using soft engineering methods

• Doing enough to maintain the present coastline but no more

• Doing what is necessary to protect ferry routes and trade lines

What type of hard engineering is shown?

• Groyne

• Gabion

• Rip rap

• Revetment

What type of hard engineering is shown?

• Recurved sea wall

• Gabion

• Rip rap

• Groyne

Which of the following is soft engineering?

• Dredging

• Gabions

• Sea wall

• Beach nourishment

Which mass movement process involves material sliding downwards as the bottom of a cliff moves out sideways when the angle of internal friction is surpassed?

• Rotational slumping

• Landslide

• Lahar

• Soil creep

Which of these is NOT a problem with using rip rap (rock armour)

• If the boulders are moved they are abrade the cliffs

• They inhibit access to beaches for those with mobility problems

• They are expensive to install

• The rocks are treated to prohibit moss growth, damaging biodiversity

Spits are breached more often in winter because what changes?

• The amount of vegetation

• The number of birds colonising it

• The direction of the prevailing wind

• The average global tide height