Coasts - Saltburn to Flamborough Head CS - HE Flashcards
Along what coastline is the case study?
N. Yorshire Coast
What type of coastline is this?
Discordant
How large is the fetch in this coastal system?
1500 km
What are the factors that affect the shape of the coastline?
- Geology
- Strong prevailing winds
- Large fetch
- Strong waves
- Sediment load
What is the rock type of Flamborough Head?
Chalk
What are cliffs at Flamborough Head topped with?
Glacial Till
What are differences in rock type responsible for?
The varied coastal scenery and the high cliffs and the bay headland sequence
What are the adjacent North York Moors made of?
- Sandstone
- Limestone
- Shale
What area receives the highest inputs of wave energy?
The north-facing area of Saltburn
What are the rates of erosion for areas composed of shale and clay?
0.8 m/yr
What are the rates of erosion for more resistant rocks like sandstone and limestone?
0.1 m/yr
What direction is LSD?
Southward
How is sediment movement disrupted?
- By headlands
- Then accumalate to form bays
Give an example of a bay?
Filey Bay
What are the sources of sediment for this stretch of the coastline?
- Nearshore area driven onshore as sea level rose during last glacial period
- Cliff erosion
- River Esk limited sediment
