Geology of Yorkshire Holderness Coast Quiz

What is the main type of rock forming the Yorkshire Holderness coast that is susceptible to erosion?

• Igneous rock

• Metamorphic rock

• Glacial till

• Sandstone

According to the text, what is the rate of erosion on the Yorkshire Holderness coast?

• Around 1 km per year

• Around 6 km every Roman times

• Around 6 km per decade

• Around 6 km per century

What was the cost to the occupants for demolishing the cliff-top farmhouse at Cowden?

Which coastal protection strategy is considered the "best defence" against coastal erosion according to the US Army Corps of Engineers?

• Building sea walls

• Beach nourishment

• A good beach

• Groynes

What is the process called where waves exert pressure of up to 30 tonnes/m², causing damage to cliffs?

• Corrasion

• Attrition

• Solution

• Hydraulic action

Which of the following is NOT one of the three ways the sea erodes the land mentioned in the text?

• Corrasion

• Attrition

• Solution

• Sub-aerial processes

What is the main reason that the Holderness coast is retreating so rapidly according to the text?

• Strong sea walls

• High tourist activity

• The presence of glacial till and clay

• Frequent human intervention

What is the main reason the sea defences constructed at Mappleton do not work in the long term?

• They are too expensive to maintain.

• They have caused an imbalance in the coastal sediment system.

• The local population opposes them.

• They are destroyed by frequent storms.

What is the concept of 'managed retreat' in coastal management?

• Building higher sea defences to keep out the rising sea.

• Allowing natural processes to take their course and relocating affected areas.

• Strengthening the coastline with hard engineering defence schemes.

• Regularly repairing sea defences to prevent any damage.

According to the House of Commons Agriculture Committee report in August 1998, what should begin immediately in some places?

• The construction of new sea defences.

• The repair of existing sea defences.

• The retreat to new positions inland.

• The implementation of beach nourishment.