Holderness Flashcards
Where is the Holderness coastline and how long is it ?
East Yorkshire, East Coast of the UK - 61km stretch coastline.
Average erosion rates ?
1.8 metres a year - fastest eroding coastline in Europe.
Characteristics of Flamborough head ?
A headland of resistant chalk cliffs - features caves, arches, stacks, stumps and wave-cut platform.
Characteristics of Mappleton ?
Areas of soft boulder clay suffering from rapid erosion.
Characteristics of Spurn Head ?
A simple spit formed due to longshore drift, protecting the Humber Estuary - slowly being starved of sediment.
Characteristics of Turnstall and Aldbrough ?
Towns that experience constant erosion, leading to loss of land and homes.
What are the soft rocks susceptible to ?
Easily eroded especially boulder clay with glacial till and slumping when saturated.
Why doesn’t the chalk cliffs add sand to beaches ?
Chalk dissolves.
What has happened at Whithensea ?
Houses have been lost due to slumping.
What helps creates the strong waves at Holderness ?
The fetch and prevailing winds from the North Sea.
What happens the further south you go at Holderness ?
Height of the cliffs reduce and rotational slumping dominates, Chalk then becomes impermeable clay with glacial till on top, Beach tends to get wider due to more coastal protection and chalk cliffs don’t add to sediment.
